Projects/Scripts/jquery-1.10.2.js

   1 /* NUGET: BEGIN LICENSE TEXT
   2  *
   3  * Microsoft grants you the right to use these script files for the sole
   4  * purpose of either: (i) interacting through your browser with the Microsoft
   5  * website or online service, subject to the applicable licensing or use
   6  * terms; or (ii) using the files as included with a Microsoft product subject
   7  * to that product's license terms. Microsoft reserves all other rights to the
   8  * files not expressly granted by Microsoft, whether by implication, estoppel
   9  * or otherwise. Insofar as a script file is dual licensed under GPL,
  10  * Microsoft neither took the code under GPL nor distributes it thereunder but
  11  * under the terms set out in this paragraph. All notices and licenses
  12  * below are for informational purposes only.
  13  *
  14  * NUGET: END LICENSE TEXT */
  15 /*!
  16  * jQuery JavaScript Library v1.10.2
  17  * http://jquery.com/
  18  *
  19  * Includes Sizzle.js
  20  * http://sizzlejs.com/
  21  *
  22  * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors
  23  * Released under the MIT license
  24  * http://jquery.org/license
  25  *
  26  * Date: 2013-07-03T13:48Z
  27  */
  28 (function( window, undefined ) {
  29
  30 // Can't do this because several apps including ASP.NET trace
  31 // the stack via arguments.caller.callee and Firefox dies if
  32 // you try to trace through "use strict" call chains. (#13335)
  33 // Support: Firefox 18+
  34 //"use strict";
  35 var
  36         // The deferred used on DOM ready
  37         readyList,
  38
  39         // A central reference to the root jQuery(document)
  40         rootjQuery,
  41
  42         // Support: IE<10
  43         // For `typeof xmlNode.method` instead of `xmlNode.method !== undefined`
  44         core_strundefined = typeof undefined,
  45
  46         // Use the correct document accordingly with window argument (sandbox)
  47         location = window.location,
  48         document = window.document,
  49         docElem = document.documentElement,
  50
  51         // Map over jQuery in case of overwrite
  52         _jQuery = window.jQuery,
  53
  54         // Map over the $ in case of overwrite
  55         _$ = window.$,
  56
  57         // [[Class]] -> type pairs
  58         class2type = {},
  59
  60         // List of deleted data cache ids, so we can reuse them
  61         core_deletedIds = [],
  62
  63         core_version = "1.10.2",
  64
  65         // Save a reference to some core methods
  66         core_concat = core_deletedIds.concat,
  67         core_push = core_deletedIds.push,
  68         core_slice = core_deletedIds.slice,
  69         core_indexOf = core_deletedIds.indexOf,
  70         core_toString = class2type.toString,
  71         core_hasOwn = class2type.hasOwnProperty,
  72         core_trim = core_version.trim,
  73
  74         // Define a local copy of jQuery
  75         jQuery = function( selector, context ) {
  76                 // The jQuery object is actually just the init constructor 'enhanced'
  77                 return new jQuery.fn.init( selector, context, rootjQuery );
  78         },
  79
  80         // Used for matching numbers
  81         core_pnum = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
  82
  83         // Used for splitting on whitespace
  84         core_rnotwhite = /\S+/g,
  85
  86         // Make sure we trim BOM and NBSP (here's looking at you, Safari 5.0 and IE)
  87         rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
  88
  89         // A simple way to check for HTML strings
  90         // Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
  91         // Strict HTML recognition (#11290: must start with <)
  92         rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]*))$/,
  93
  94         // Match a standalone tag
  95         rsingleTag = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
  96
  97         // JSON RegExp
  98         rvalidchars = /^[\],:{}\s]*$/,
  99         rvalidbraces = /(?:^|:|,)(?:\s*\[)+/g,
 100         rvalidescape = /\\(?:["\\\/bfnrt]|u[\da-fA-F]{4})/g,
 101         rvalidtokens = /"[^"\\\r\n]*"|true|false|null|-?(?:\d+\.|)\d+(?:[eE][+-]?\d+|)/g,
 102
 103         // Matches dashed string for camelizing
 104         rmsPrefix = /^-ms-/,
 105         rdashAlpha = /-([\da-z])/gi,
 106
 107         // Used by jQuery.camelCase as callback to replace()
 108         fcamelCase = function( all, letter ) {
 109                 return letter.toUpperCase();
 110         },
 111
 112         // The ready event handler
 113         completed = function( event ) {
 114
 115                 // readyState === "complete" is good enough for us to call the dom ready in oldIE
 116                 if ( document.addEventListener || event.type === "load" || document.readyState === "complete" ) {
 117                         detach();
 118                         jQuery.ready();
 119                 }
 120         },
 121         // Clean-up method for dom ready events
 122         detach = function() {
 123                 if ( document.addEventListener ) {
 124                         document.removeEventListener( "DOMContentLoaded", completed, false );
 125                         window.removeEventListener( "load", completed, false );
 126
 127                 } else {
 128                         document.detachEvent( "onreadystatechange", completed );
 129                         window.detachEvent( "onload", completed );
 130                 }
 131         };
 132
 133 jQuery.fn = jQuery.prototype = {
 134         // The current version of jQuery being used
 135         jquery: core_version,
 136
 137         constructor: jQuery,
 138         init: function( selector, context, rootjQuery ) {
 139                 var match, elem;
 140
 141                 // HANDLE: $(""), $(null), $(undefined), $(false)
 142                 if ( !selector ) {
 143                         return this;
 144                 }
 145
 146                 // Handle HTML strings
 147                 if ( typeof selector === "string" ) {
 148                         if ( selector.charAt(0) === "<" && selector.charAt( selector.length - 1 ) === ">" && selector.length >= 3 ) {
 149                                 // Assume that strings that start and end with <> are HTML and skip the regex check
 150                                 match = [ null, selector, null ];
 151
 152                         } else {
 153                                 match = rquickExpr.exec( selector );
 154                         }
 155
 156                         // Match html or make sure no context is specified for #id
 157                         if ( match && (match[1] || !context) ) {
 158
 159                                 // HANDLE: $(html) -> $(array)
 160                                 if ( match[1] ) {
 161                                         context = context instanceof jQuery ? context[0] : context;
 162
 163                                         // scripts is true for back-compat
 164                                         jQuery.merge( this, jQuery.parseHTML(
 165                                                 match[1],
 166                                                 context && context.nodeType ? context.ownerDocument || context : document,
 167                                                 true
 168                                         ) );
 169
 170                                         // HANDLE: $(html, props)
 171                                         if ( rsingleTag.test( match[1] ) && jQuery.isPlainObject( context ) ) {
 172                                                 for ( match in context ) {
 173                                                         // Properties of context are called as methods if possible
 174                                                         if ( jQuery.isFunction( this[ match ] ) ) {
 175                                                                 this[ match ]( context[ match ] );
 176
 177                                                         // ...and otherwise set as attributes
 178                                                         } else {
 179                                                                 this.attr( match, context[ match ] );
 180                                                         }
 181                                                 }
 182                                         }
 183
 184                                         return this;
 185
 186                                 // HANDLE: $(#id)
 187                                 } else {
 188                                         elem = document.getElementById( match[2] );
 189
 190                                         // Check parentNode to catch when Blackberry 4.6 returns
 191                                         // nodes that are no longer in the document #6963
 192                                         if ( elem && elem.parentNode ) {
 193                                                 // Handle the case where IE and Opera return items
 194                                                 // by name instead of ID
 195                                                 if ( elem.id !== match[2] ) {
 196                                                         return rootjQuery.find( selector );
 197                                                 }
 198
 199                                                 // Otherwise, we inject the element directly into the jQuery object
 200                                                 this.length = 1;
 201                                                 this[0] = elem;
 202                                         }
 203
 204                                         this.context = document;
 205                                         this.selector = selector;
 206                                         return this;
 207                                 }
 208
 209                         // HANDLE: $(expr, $(...))
 210                         } else if ( !context || context.jquery ) {
 211                                 return ( context || rootjQuery ).find( selector );
 212
 213                         // HANDLE: $(expr, context)
 214                         // (which is just equivalent to: $(context).find(expr)
 215                         } else {
 216                                 return this.constructor( context ).find( selector );
 217                         }
 218
 219                 // HANDLE: $(DOMElement)
 220                 } else if ( selector.nodeType ) {
 221                         this.context = this[0] = selector;
 222                         this.length = 1;
 223                         return this;
 224
 225                 // HANDLE: $(function)
 226                 // Shortcut for document ready
 227                 } else if ( jQuery.isFunction( selector ) ) {
 228                         return rootjQuery.ready( selector );
 229                 }
 230
 231                 if ( selector.selector !== undefined ) {
 232                         this.selector = selector.selector;
 233                         this.context = selector.context;
 234                 }
 235
 236                 return jQuery.makeArray( selector, this );
 237         },
 238
 239         // Start with an empty selector
 240         selector: "",
 241
 242         // The default length of a jQuery object is 0
 243         length: 0,
 244
 245         toArray: function() {
 246                 return core_slice.call( this );
 247         },
 248
 249         // Get the Nth element in the matched element set OR
 250         // Get the whole matched element set as a clean array
 251         get: function( num ) {
 252                 return num == null ?
 253
 254                         // Return a 'clean' array
 255                         this.toArray() :
 256
 257                         // Return just the object
 258                         ( num < 0 ? this[ this.length + num ] : this[ num ] );
 259         },
 260
 261         // Take an array of elements and push it onto the stack
 262         // (returning the new matched element set)
 263         pushStack: function( elems ) {
 264
 265                 // Build a new jQuery matched element set
 266                 var ret = jQuery.merge( this.constructor(), elems );
 267
 268                 // Add the old object onto the stack (as a reference)
 269                 ret.prevObject = this;
 270                 ret.context = this.context;
 271
 272                 // Return the newly-formed element set
 273                 return ret;
 274         },
 275
 276         // Execute a callback for every element in the matched set.
 277         // (You can seed the arguments with an array of args, but this is
 278         // only used internally.)
 279         each: function( callback, args ) {
 280                 return jQuery.each( this, callback, args );
 281         },
 282
 283         ready: function( fn ) {
 284                 // Add the callback
 285                 jQuery.ready.promise().done( fn );
 286
 287                 return this;
 288         },
 289
 290         slice: function() {
 291                 return this.pushStack( core_slice.apply( this, arguments ) );
 292         },
 293
 294         first: function() {
 295                 return this.eq( 0 );
 296         },
 297
 298         last: function() {
 299                 return this.eq( -1 );
 300         },
 301
 302         eq: function( i ) {
 303                 var len = this.length,
 304                         j = +i + ( i < 0 ? len : 0 );
 305                 return this.pushStack( j >= 0 && j < len ? [ this[j] ] : [] );
 306         },
 307
 308         map: function( callback ) {
 309                 return this.pushStack( jQuery.map(this, function( elem, i ) {
 310                         return callback.call( elem, i, elem );
 311                 }));
 312         },
 313
 314         end: function() {
 315                 return this.prevObject || this.constructor(null);
 316         },
 317
 318         // For internal use only.
 319         // Behaves like an Array's method, not like a jQuery method.
 320         push: core_push,
 321         sort: [].sort,
 322         splice: [].splice
 323 };
 324
 325 // Give the init function the jQuery prototype for later instantiation
 326 jQuery.fn.init.prototype = jQuery.fn;
 327
 328 jQuery.extend = jQuery.fn.extend = function() {
 329         var src, copyIsArray, copy, name, options, clone,
 330                 target = arguments[0] || {},
 331                 i = 1,
 332                 length = arguments.length,
 333                 deep = false;
 334
 335         // Handle a deep copy situation
 336         if ( typeof target === "boolean" ) {
 337                 deep = target;
 338                 target = arguments[1] || {};
 339                 // skip the boolean and the target
 340                 i = 2;
 341         }
 342
 343         // Handle case when target is a string or something (possible in deep copy)
 344         if ( typeof target !== "object" && !jQuery.isFunction(target) ) {
 345                 target = {};
 346         }
 347
 348         // extend jQuery itself if only one argument is passed
 349         if ( length === i ) {
 350                 target = this;
 351                 --i;
 352         }
 353
 354         for ( ; i < length; i++ ) {
 355                 // Only deal with non-null/undefined values
 356                 if ( (options = arguments[ i ]) != null ) {
 357                         // Extend the base object
 358                         for ( name in options ) {
 359                                 src = target[ name ];
 360                                 copy = options[ name ];
 361
 362                                 // Prevent never-ending loop
 363                                 if ( target === copy ) {
 364                                         continue;
 365                                 }
 366
 367                                 // Recurse if we're merging plain objects or arrays
 368                                 if ( deep && copy && ( jQuery.isPlainObject(copy) || (copyIsArray = jQuery.isArray(copy)) ) ) {
 369                                         if ( copyIsArray ) {
 370                                                 copyIsArray = false;
 371                                                 clone = src && jQuery.isArray(src) ? src : [];
 372
 373                                         } else {
 374                                                 clone = src && jQuery.isPlainObject(src) ? src : {};
 375                                         }
 376
 377                                         // Never move original objects, clone them
 378                                         target[ name ] = jQuery.extend( deep, clone, copy );
 379
 380                                 // Don't bring in undefined values
 381                                 } else if ( copy !== undefined ) {
 382                                         target[ name ] = copy;
 383                                 }
 384                         }
 385                 }
 386         }
 387
 388         // Return the modified object
 389         return target;
 390 };
 391
 392 jQuery.extend({
 393         // Unique for each copy of jQuery on the page
 394         // Non-digits removed to match rinlinejQuery
 395         expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
 396
 397         noConflict: function( deep ) {
 398                 if ( window.$ === jQuery ) {
 399                         window.$ = _$;
 400                 }
 401
 402                 if ( deep && window.jQuery === jQuery ) {
 403                         window.jQuery = _jQuery;
 404                 }
 405
 406                 return jQuery;
 407         },
 408
 409         // Is the DOM ready to be used? Set to true once it occurs.
 410         isReady: false,
 411
 412         // A counter to track how many items to wait for before
 413         // the ready event fires. See #6781
 414         readyWait: 1,
 415
 416         // Hold (or release) the ready event
 417         holdReady: function( hold ) {
 418                 if ( hold ) {
 419                         jQuery.readyWait++;
 420                 } else {
 421                         jQuery.ready( true );
 422                 }
 423         },
 424
 425         // Handle when the DOM is ready
 426         ready: function( wait ) {
 427
 428                 // Abort if there are pending holds or we're already ready
 429                 if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
 430                         return;
 431                 }
 432
 433                 // Make sure body exists, at least, in case IE gets a little overzealous (ticket #5443).
 434                 if ( !document.body ) {
 435                         return setTimeout( jQuery.ready );
 436                 }
 437
 438                 // Remember that the DOM is ready
 439                 jQuery.isReady = true;
 440
 441                 // If a normal DOM Ready event fired, decrement, and wait if need be
 442                 if ( wait !== true && --jQuery.readyWait > 0 ) {
 443                         return;
 444                 }
 445
 446                 // If there are functions bound, to execute
 447                 readyList.resolveWith( document, [ jQuery ] );
 448
 449                 // Trigger any bound ready events
 450                 if ( jQuery.fn.trigger ) {
 451                         jQuery( document ).trigger("ready").off("ready");
 452                 }
 453         },
 454
 455         // See test/unit/core.js for details concerning isFunction.
 456         // Since version 1.3, DOM methods and functions like alert
 457         // aren't supported. They return false on IE (#2968).
 458         isFunction: function( obj ) {
 459                 return jQuery.type(obj) === "function";
 460         },
 461
 462         isArray: Array.isArray || function( obj ) {
 463                 return jQuery.type(obj) === "array";
 464         },
 465
 466         isWindow: function( obj ) {
 467                 /* jshint eqeqeq: false */
 468                 return obj != null && obj == obj.window;
 469         },
 470
 471         isNumeric: function( obj ) {
 472                 return !isNaN( parseFloat(obj) ) && isFinite( obj );
 473         },
 474
 475         type: function( obj ) {
 476                 if ( obj == null ) {
 477                         return String( obj );
 478                 }
 479                 return typeof obj === "object" || typeof obj === "function" ?
 480                         class2type[ core_toString.call(obj) ] || "object" :
 481                         typeof obj;
 482         },
 483
 484         isPlainObject: function( obj ) {
 485                 var key;
 486
 487                 // Must be an Object.
 488                 // Because of IE, we also have to check the presence of the constructor property.
 489                 // Make sure that DOM nodes and window objects don't pass through, as well
 490                 if ( !obj || jQuery.type(obj) !== "object" || obj.nodeType || jQuery.isWindow( obj ) ) {
 491                         return false;
 492                 }
 493
 494                 try {
 495                         // Not own constructor property must be Object
 496                         if ( obj.constructor &&
 497                                 !core_hasOwn.call(obj, "constructor") &&
 498                                 !core_hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
 499                                 return false;
 500                         }
 501                 } catch ( e ) {
 502                         // IE8,9 Will throw exceptions on certain host objects #9897
 503                         return false;
 504                 }
 505
 506                 // Support: IE<9
 507                 // Handle iteration over inherited properties before own properties.
 508                 if ( jQuery.support.ownLast ) {
 509                         for ( key in obj ) {
 510                                 return core_hasOwn.call( obj, key );
 511                         }
 512                 }
 513
 514                 // Own properties are enumerated firstly, so to speed up,
 515                 // if last one is own, then all properties are own.
 516                 for ( key in obj ) {}
 517
 518                 return key === undefined || core_hasOwn.call( obj, key );
 519         },
 520
 521         isEmptyObject: function( obj ) {
 522                 var name;
 523                 for ( name in obj ) {
 524                         return false;
 525                 }
 526                 return true;
 527         },
 528
 529         error: function( msg ) {
 530                 throw new Error( msg );
 531         },
 532
 533         // data: string of html
 534         // context (optional): If specified, the fragment will be created in this context, defaults to document
 535         // keepScripts (optional): If true, will include scripts passed in the html string
 536         parseHTML: function( data, context, keepScripts ) {
 537                 if ( !data || typeof data !== "string" ) {
 538                         return null;
 539                 }
 540                 if ( typeof context === "boolean" ) {
 541                         keepScripts = context;
 542                         context = false;
 543                 }
 544                 context = context || document;
 545
 546                 var parsed = rsingleTag.exec( data ),
 547                         scripts = !keepScripts && [];
 548
 549                 // Single tag
 550                 if ( parsed ) {
 551                         return [ context.createElement( parsed[1] ) ];
 552                 }
 553
 554                 parsed = jQuery.buildFragment( [ data ], context, scripts );
 555                 if ( scripts ) {
 556                         jQuery( scripts ).remove();
 557                 }
 558                 return jQuery.merge( [], parsed.childNodes );
 559         },
 560
 561         parseJSON: function( data ) {
 562                 // Attempt to parse using the native JSON parser first
 563                 if ( window.JSON && window.JSON.parse ) {
 564                         return window.JSON.parse( data );
 565                 }
 566
 567                 if ( data === null ) {
 568                         return data;
 569                 }
 570
 571                 if ( typeof data === "string" ) {
 572
 573                         // Make sure leading/trailing whitespace is removed (IE can't handle it)
 574                         data = jQuery.trim( data );
 575
 576                         if ( data ) {
 577                                 // Make sure the incoming data is actual JSON
 578                                 // Logic borrowed from http://json.org/json2.js
 579                                 if ( rvalidchars.test( data.replace( rvalidescape, "@" )
 580                                         .replace( rvalidtokens, "]" )
 581                                         .replace( rvalidbraces, "")) ) {
 582
 583                                         return ( new Function( "return " + data ) )();
 584                                 }
 585                         }
 586                 }
 587
 588                 jQuery.error( "Invalid JSON: " + data );
 589         },
 590
 591         // Cross-browser xml parsing
 592         parseXML: function( data ) {
 593                 var xml, tmp;
 594                 if ( !data || typeof data !== "string" ) {
 595                         return null;
 596                 }
 597                 try {
 598                         if ( window.DOMParser ) { // Standard
 599                                 tmp = new DOMParser();
 600                                 xml = tmp.parseFromString( data , "text/xml" );
 601                         } else { // IE
 602                                 xml = new ActiveXObject( "Microsoft.XMLDOM" );
 603                                 xml.async = "false";
 604                                 xml.loadXML( data );
 605                         }
 606                 } catch( e ) {
 607                         xml = undefined;
 608                 }
 609                 if ( !xml || !xml.documentElement || xml.getElementsByTagName( "parsererror" ).length ) {
 610                         jQuery.error( "Invalid XML: " + data );
 611                 }
 612                 return xml;
 613         },
 614
 615         noop: function() {},
 616
 617         // Evaluates a script in a global context
 618         // Workarounds based on findings by Jim Driscoll
 619         // http://weblogs.java.net/blog/driscoll/archive/2009/09/08/eval-javascript-global-context
 620         globalEval: function( data ) {
 621                 if ( data && jQuery.trim( data ) ) {
 622                         // We use execScript on Internet Explorer
 623                         // We use an anonymous function so that context is window
 624                         // rather than jQuery in Firefox
 625                         ( window.execScript || function( data ) {
 626                                 window[ "eval" ].call( window, data );
 627                         } )( data );
 628                 }
 629         },
 630
 631         // Convert dashed to camelCase; used by the css and data modules
 632         // Microsoft forgot to hump their vendor prefix (#9572)
 633         camelCase: function( string ) {
 634                 return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
 635         },
 636
 637         nodeName: function( elem, name ) {
 638                 return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
 639         },
 640
 641         // args is for internal usage only
 642         each: function( obj, callback, args ) {
 643                 var value,
 644                         i = 0,
 645                         length = obj.length,
 646                         isArray = isArraylike( obj );
 647
 648                 if ( args ) {
 649                         if ( isArray ) {
 650                                 for ( ; i < length; i++ ) {
 651                                         value = callback.apply( obj[ i ], args );
 652
 653                                         if ( value === false ) {
 654                                                 break;
 655                                         }
 656                                 }
 657                         } else {
 658                                 for ( i in obj ) {
 659                                         value = callback.apply( obj[ i ], args );
 660
 661                                         if ( value === false ) {
 662                                                 break;
 663                                         }
 664                                 }
 665                         }
 666
 667                 // A special, fast, case for the most common use of each
 668                 } else {
 669                         if ( isArray ) {
 670                                 for ( ; i < length; i++ ) {
 671                                         value = callback.call( obj[ i ], i, obj[ i ] );
 672
 673                                         if ( value === false ) {
 674                                                 break;
 675                                         }
 676                                 }
 677                         } else {
 678                                 for ( i in obj ) {
 679                                         value = callback.call( obj[ i ], i, obj[ i ] );
 680
 681                                         if ( value === false ) {
 682                                                 break;
 683                                         }
 684                                 }
 685                         }
 686                 }
 687
 688                 return obj;
 689         },
 690
 691         // Use native String.trim function wherever possible
 692         trim: core_trim && !core_trim.call("\uFEFF\xA0") ?
 693                 function( text ) {
 694                         return text == null ?
 695                                 "" :
 696                                 core_trim.call( text );
 697                 } :
 698
 699                 // Otherwise use our own trimming functionality
 700                 function( text ) {
 701                         return text == null ?
 702                                 "" :
 703                                 ( text + "" ).replace( rtrim, "" );
 704                 },
 705
 706         // results is for internal usage only
 707         makeArray: function( arr, results ) {
 708                 var ret = results || [];
 709
 710                 if ( arr != null ) {
 711                         if ( isArraylike( Object(arr) ) ) {
 712                                 jQuery.merge( ret,
 713                                         typeof arr === "string" ?
 714                                         [ arr ] : arr
 715                                 );
 716                         } else {
 717                                 core_push.call( ret, arr );
 718                         }
 719                 }
 720
 721                 return ret;
 722         },
 723
 724         inArray: function( elem, arr, i ) {
 725                 var len;
 726
 727                 if ( arr ) {
 728                         if ( core_indexOf ) {
 729                                 return core_indexOf.call( arr, elem, i );
 730                         }
 731
 732                         len = arr.length;
 733                         i = i ? i < 0 ? Math.max( 0, len + i ) : i : 0;
 734
 735                         for ( ; i < len; i++ ) {
 736                                 // Skip accessing in sparse arrays
 737                                 if ( i in arr && arr[ i ] === elem ) {
 738                                         return i;
 739                                 }
 740                         }
 741                 }
 742
 743                 return -1;
 744         },
 745
 746         merge: function( first, second ) {
 747                 var l = second.length,
 748                         i = first.length,
 749                         j = 0;
 750
 751                 if ( typeof l === "number" ) {
 752                         for ( ; j < l; j++ ) {
 753                                 first[ i++ ] = second[ j ];
 754                         }
 755                 } else {
 756                         while ( second[j] !== undefined ) {
 757                                 first[ i++ ] = second[ j++ ];
 758                         }
 759                 }
 760
 761                 first.length = i;
 762
 763                 return first;
 764         },
 765
 766         grep: function( elems, callback, inv ) {
 767                 var retVal,
 768                         ret = [],
 769                         i = 0,
 770                         length = elems.length;
 771                 inv = !!inv;
 772
 773                 // Go through the array, only saving the items
 774                 // that pass the validator function
 775                 for ( ; i < length; i++ ) {
 776                         retVal = !!callback( elems[ i ], i );
 777                         if ( inv !== retVal ) {
 778                                 ret.push( elems[ i ] );
 779                         }
 780                 }
 781
 782                 return ret;
 783         },
 784
 785         // arg is for internal usage only
 786         map: function( elems, callback, arg ) {
 787                 var value,
 788                         i = 0,
 789                         length = elems.length,
 790                         isArray = isArraylike( elems ),
 791                         ret = [];
 792
 793                 // Go through the array, translating each of the items to their
 794                 if ( isArray ) {
 795                         for ( ; i < length; i++ ) {
 796                                 value = callback( elems[ i ], i, arg );
 797
 798                                 if ( value != null ) {
 799                                         ret[ ret.length ] = value;
 800                                 }
 801                         }
 802
 803                 // Go through every key on the object,
 804                 } else {
 805                         for ( i in elems ) {
 806                                 value = callback( elems[ i ], i, arg );
 807
 808                                 if ( value != null ) {
 809                                         ret[ ret.length ] = value;
 810                                 }
 811                         }
 812                 }
 813
 814                 // Flatten any nested arrays
 815                 return core_concat.apply( [], ret );
 816         },
 817
 818         // A global GUID counter for objects
 819         guid: 1,
 820
 821         // Bind a function to a context, optionally partially applying any
 822         // arguments.
 823         proxy: function( fn, context ) {
 824                 var args, proxy, tmp;
 825
 826                 if ( typeof context === "string" ) {
 827                         tmp = fn[ context ];
 828                         context = fn;
 829                         fn = tmp;
 830                 }
 831
 832                 // Quick check to determine if target is callable, in the spec
 833                 // this throws a TypeError, but we will just return undefined.
 834                 if ( !jQuery.isFunction( fn ) ) {
 835                         return undefined;
 836                 }
 837
 838                 // Simulated bind
 839                 args = core_slice.call( arguments, 2 );
 840                 proxy = function() {
 841                         return fn.apply( context || this, args.concat( core_slice.call( arguments ) ) );
 842                 };
 843
 844                 // Set the guid of unique handler to the same of original handler, so it can be removed
 845                 proxy.guid = fn.guid = fn.guid || jQuery.guid++;
 846
 847                 return proxy;
 848         },
 849
 850         // Multifunctional method to get and set values of a collection
 851         // The value/s can optionally be executed if it's a function
 852         access: function( elems, fn, key, value, chainable, emptyGet, raw ) {
 853                 var i = 0,
 854                         length = elems.length,
 855                         bulk = key == null;
 856
 857                 // Sets many values
 858                 if ( jQuery.type( key ) === "object" ) {
 859                         chainable = true;
 860                         for ( i in key ) {
 861                                 jQuery.access( elems, fn, i, key[i], true, emptyGet, raw );
 862                         }
 863
 864                 // Sets one value
 865                 } else if ( value !== undefined ) {
 866                         chainable = true;
 867
 868                         if ( !jQuery.isFunction( value ) ) {
 869                                 raw = true;
 870                         }
 871
 872                         if ( bulk ) {
 873                                 // Bulk operations run against the entire set
 874                                 if ( raw ) {
 875                                         fn.call( elems, value );
 876                                         fn = null;
 877
 878                                 // ...except when executing function values
 879                                 } else {
 880                                         bulk = fn;
 881                                         fn = function( elem, key, value ) {
 882                                                 return bulk.call( jQuery( elem ), value );
 883                                         };
 884                                 }
 885                         }
 886
 887                         if ( fn ) {
 888                                 for ( ; i < length; i++ ) {
 889                                         fn( elems[i], key, raw ? value : value.call( elems[i], i, fn( elems[i], key ) ) );
 890                                 }
 891                         }
 892                 }
 893
 894                 return chainable ?
 895                         elems :
 896
 897                         // Gets
 898                         bulk ?
 899                                 fn.call( elems ) :
 900                                 length ? fn( elems[0], key ) : emptyGet;
 901         },
 902
 903         now: function() {
 904                 return ( new Date() ).getTime();
 905         },
 906
 907         // A method for quickly swapping in/out CSS properties to get correct calculations.
 908         // Note: this method belongs to the css module but it's needed here for the support module.
 909         // If support gets modularized, this method should be moved back to the css module.
 910         swap: function( elem, options, callback, args ) {
 911                 var ret, name,
 912                         old = {};
 913
 914                 // Remember the old values, and insert the new ones
 915                 for ( name in options ) {
 916                         old[ name ] = elem.style[ name ];
 917                         elem.style[ name ] = options[ name ];
 918                 }
 919
 920                 ret = callback.apply( elem, args || [] );
 921
 922                 // Revert the old values
 923                 for ( name in options ) {
 924                         elem.style[ name ] = old[ name ];
 925                 }
 926
 927                 return ret;
 928         }
 929 });
 930
 931 jQuery.ready.promise = function( obj ) {
 932         if ( !readyList ) {
 933
 934                 readyList = jQuery.Deferred();
 935
 936                 // Catch cases where $(document).ready() is called after the browser event has already occurred.
 937                 // we once tried to use readyState "interactive" here, but it caused issues like the one
 938                 // discovered by ChrisS here: http://bugs.jquery.com/ticket/12282#comment:15
 939                 if ( document.readyState === "complete" ) {
 940                         // Handle it asynchronously to allow scripts the opportunity to delay ready
 941                         setTimeout( jQuery.ready );
 942
 943                 // Standards-based browsers support DOMContentLoaded
 944                 } else if ( document.addEventListener ) {
 945                         // Use the handy event callback
 946                         document.addEventListener( "DOMContentLoaded", completed, false );
 947
 948                         // A fallback to window.onload, that will always work
 949                         window.addEventListener( "load", completed, false );
 950
 951                 // If IE event model is used
 952                 } else {
 953                         // Ensure firing before onload, maybe late but safe also for iframes
 954                         document.attachEvent( "onreadystatechange", completed );
 955
 956                         // A fallback to window.onload, that will always work
 957                         window.attachEvent( "onload", completed );
 958
 959                         // If IE and not a frame
 960                         // continually check to see if the document is ready
 961                         var top = false;
 962
 963                         try {
 964                                 top = window.frameElement == null && document.documentElement;
 965                         } catch(e) {}
 966
 967                         if ( top && top.doScroll ) {
 968                                 (function doScrollCheck() {
 969                                         if ( !jQuery.isReady ) {
 970
 971                                                 try {
 972                                                         // Use the trick by Diego Perini
 973                                                         // http://javascript.nwbox.com/IEContentLoaded/
 974                                                         top.doScroll("left");
 975                                                 } catch(e) {
 976                                                         return setTimeout( doScrollCheck, 50 );
 977                                                 }
 978
 979                                                 // detach all dom ready events
 980                                                 detach();
 981
 982                                                 // and execute any waiting functions
 983                                                 jQuery.ready();
 984                                         }
 985                                 })();
 986                         }
 987                 }
 988         }
 989         return readyList.promise( obj );
 990 };
 991
 992 // Populate the class2type map
 993 jQuery.each("Boolean Number String Function Array Date RegExp Object Error".split(" "), function(i, name) {
 994         class2type[ "[object " + name + "]" ] = name.toLowerCase();
 995 });
 996
 997 function isArraylike( obj ) {
 998         var length = obj.length,
 999                 type = jQuery.type( obj );
1000
1001         if ( jQuery.isWindow( obj ) ) {
1002                 return false;
1003         }
1004
1005         if ( obj.nodeType === 1 && length ) {
1006                 return true;
1007         }
1008
1009         return type === "array" || type !== "function" &&
1010                 ( length === 0 ||
1011                 typeof length === "number" && length > 0 && ( length - 1 ) in obj );
1012 }
1013
1014 // All jQuery objects should point back to these
1015 rootjQuery = jQuery(document);
1016 /*!
1017  * Sizzle CSS Selector Engine v1.10.2
1018  * http://sizzlejs.com/
1019  *
1020  * Copyright 2013 jQuery Foundation, Inc. and other contributors
1021  * Released under the MIT license
1022  * http://jquery.org/license
1023  *
1024  * Date: 2013-07-03
1025  */
1026 (function( window, undefined ) {
1027
1028 var i,
1029         support,
1030         cachedruns,
1031         Expr,
1032         getText,
1033         isXML,
1034         compile,
1035         outermostContext,
1036         sortInput,
1037
1038         // Local document vars
1039         setDocument,
1040         document,
1041         docElem,
1042         documentIsHTML,
1043         rbuggyQSA,
1044         rbuggyMatches,
1045         matches,
1046         contains,
1047
1048         // Instance-specific data
1049         expando = "sizzle" + -(new Date()),
1050         preferredDoc = window.document,
1051         dirruns = 0,
1052         done = 0,
1053         classCache = createCache(),
1054         tokenCache = createCache(),
1055         compilerCache = createCache(),
1056         hasDuplicate = false,
1057         sortOrder = function( a, b ) {
1058                 if ( a === b ) {
1059                         hasDuplicate = true;
1060                         return 0;
1061                 }
1062                 return 0;
1063         },
1064
1065         // General-purpose constants
1066         strundefined = typeof undefined,
1067         MAX_NEGATIVE = 1 << 31,
1068
1069         // Instance methods
1070         hasOwn = ({}).hasOwnProperty,
1071         arr = [],
1072         pop = arr.pop,
1073         push_native = arr.push,
1074         push = arr.push,
1075         slice = arr.slice,
1076         // Use a stripped-down indexOf if we can't use a native one
1077         indexOf = arr.indexOf || function( elem ) {
1078                 var i = 0,
1079                         len = this.length;
1080                 for ( ; i < len; i++ ) {
1081                         if ( this[i] === elem ) {
1082                                 return i;
1083                         }
1084                 }
1085                 return -1;
1086         },
1087
1088         booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
1089
1090         // Regular expressions
1091
1092         // Whitespace characters http://www.w3.org/TR/css3-selectors/#whitespace
1093         whitespace = "[\\x20\\t\\r\\n\\f]",
1094         // http://www.w3.org/TR/css3-syntax/#characters
1095         characterEncoding = "(?:\\\\.|[\\w-]|[^\\x00-\\xa0])+",
1096
1097         // Loosely modeled on CSS identifier characters
1098         // An unquoted value should be a CSS identifier http://www.w3.org/TR/css3-selectors/#attribute-selectors
1099         // Proper syntax: http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
1100         identifier = characterEncoding.replace( "w", "w#" ),
1101
1102         // Acceptable operators http://www.w3.org/TR/selectors/#attribute-selectors
1103         attributes = "\\[" + whitespace + "*(" + characterEncoding + ")" + whitespace +
1104                 "*(?:([*^$|!~]?=)" + whitespace + "*(?:(['\"])((?:\\\\.|[^\\\\])*?)\\3|(" + identifier + ")|)|)" + whitespace + "*\\]",
1105
1106         // Prefer arguments quoted,
1107         //   then not containing pseudos/brackets,
1108         //   then attribute selectors/non-parenthetical expressions,
1109         //   then anything else
1110         // These preferences are here to reduce the number of selectors
1111         //   needing tokenize in the PSEUDO preFilter
1112         pseudos = ":(" + characterEncoding + ")(?:\\(((['\"])((?:\\\\.|[^\\\\])*?)\\3|((?:\\\\.|[^\\\\()[\\]]|" + attributes.replace( 3, 8 ) + ")*)|.*)\\)|)",
1113
1114         // Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
1115         rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
1116
1117         rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
1118         rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
1119
1120         rsibling = new RegExp( whitespace + "*[+~]" ),
1121         rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*)" + whitespace + "*\\]", "g" ),
1122
1123         rpseudo = new RegExp( pseudos ),
1124         ridentifier = new RegExp( "^" + identifier + "$" ),
1125
1126         matchExpr = {
1127                 "ID": new RegExp( "^#(" + characterEncoding + ")" ),
1128                 "CLASS": new RegExp( "^\\.(" + characterEncoding + ")" ),
1129                 "TAG": new RegExp( "^(" + characterEncoding.replace( "w", "w*" ) + ")" ),
1130                 "ATTR": new RegExp( "^" + attributes ),
1131                 "PSEUDO": new RegExp( "^" + pseudos ),
1132                 "CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
1133                         "*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
1134                         "*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
1135                 "bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
1136                 // For use in libraries implementing .is()
1137                 // We use this for POS matching in `select`
1138                 "needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
1139                         whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
1140         },
1141
1142         rnative = /^[^{]+\{\s*\[native \w/,
1143
1144         // Easily-parseable/retrievable ID or TAG or CLASS selectors
1145         rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
1146
1147         rinputs = /^(?:input|select|textarea|button)$/i,
1148         rheader = /^h\d$/i,
1149
1150         rescape = /'|\\/g,
1151
1152         // CSS escapes http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
1153         runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
1154         funescape = function( _, escaped, escapedWhitespace ) {
1155                 var high = "0x" + escaped - 0x10000;
1156                 // NaN means non-codepoint
1157                 // Support: Firefox
1158                 // Workaround erroneous numeric interpretation of +"0x"
1159                 return high !== high || escapedWhitespace ?
1160                         escaped :
1161                         // BMP codepoint
1162                         high < 0 ?
1163                                 String.fromCharCode( high + 0x10000 ) :
1164                                 // Supplemental Plane codepoint (surrogate pair)
1165                                 String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
1166         };
1167
1168 // Optimize for push.apply( _, NodeList )
1169 try {
1170         push.apply(
1171                 (arr = slice.call( preferredDoc.childNodes )),
1172                 preferredDoc.childNodes
1173         );
1174         // Support: Android<4.0
1175         // Detect silently failing push.apply
1176         arr[ preferredDoc.childNodes.length ].nodeType;
1177 } catch ( e ) {
1178         push = { apply: arr.length ?
1179
1180                 // Leverage slice if possible
1181                 function( target, els ) {
1182                         push_native.apply( target, slice.call(els) );
1183                 } :
1184
1185                 // Support: IE<9
1186                 // Otherwise append directly
1187                 function( target, els ) {
1188                         var j = target.length,
1189                                 i = 0;
1190                         // Can't trust NodeList.length
1191                         while ( (target[j++] = els[i++]) ) {}
1192                         target.length = j - 1;
1193                 }
1194         };
1195 }
1196
1197 function Sizzle( selector, context, results, seed ) {
1198         var match, elem, m, nodeType,
1199                 // QSA vars
1200                 i, groups, old, nid, newContext, newSelector;
1201
1202         if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
1203                 setDocument( context );
1204         }
1205
1206         context = context || document;
1207         results = results || [];
1208
1209         if ( !selector || typeof selector !== "string" ) {
1210                 return results;
1211         }
1212
1213         if ( (nodeType = context.nodeType) !== 1 && nodeType !== 9 ) {
1214                 return [];
1215         }
1216
1217         if ( documentIsHTML && !seed ) {
1218
1219                 // Shortcuts
1220                 if ( (match = rquickExpr.exec( selector )) ) {
1221                         // Speed-up: Sizzle("#ID")
1222                         if ( (m = match[1]) ) {
1223                                 if ( nodeType === 9 ) {
1224                                         elem = context.getElementById( m );
1225                                         // Check parentNode to catch when Blackberry 4.6 returns
1226                                         // nodes that are no longer in the document #6963
1227                                         if ( elem && elem.parentNode ) {
1228                                                 // Handle the case where IE, Opera, and Webkit return items
1229                                                 // by name instead of ID
1230                                                 if ( elem.id === m ) {
1231                                                         results.push( elem );
1232                                                         return results;
1233                                                 }
1234                                         } else {
1235                                                 return results;
1236                                         }
1237                                 } else {
1238                                         // Context is not a document
1239                                         if ( context.ownerDocument && (elem = context.ownerDocument.getElementById( m )) &&
1240                                                 contains( context, elem ) && elem.id === m ) {
1241                                                 results.push( elem );
1242                                                 return results;
1243                                         }
1244                                 }
1245
1246                         // Speed-up: Sizzle("TAG")
1247                         } else if ( match[2] ) {
1248                                 push.apply( results, context.getElementsByTagName( selector ) );
1249                                 return results;
1250
1251                         // Speed-up: Sizzle(".CLASS")
1252                         } else if ( (m = match[3]) && support.getElementsByClassName && context.getElementsByClassName ) {
1253                                 push.apply( results, context.getElementsByClassName( m ) );
1254                                 return results;
1255                         }
1256                 }
1257
1258                 // QSA path
1259                 if ( support.qsa && (!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
1260                         nid = old = expando;
1261                         newContext = context;
1262                         newSelector = nodeType === 9 && selector;
1263
1264                         // qSA works strangely on Element-rooted queries
1265                         // We can work around this by specifying an extra ID on the root
1266                         // and working up from there (Thanks to Andrew Dupont for the technique)
1267                         // IE 8 doesn't work on object elements
1268                         if ( nodeType === 1 && context.nodeName.toLowerCase() !== "object" ) {
1269                                 groups = tokenize( selector );
1270
1271                                 if ( (old = context.getAttribute("id")) ) {
1272                                         nid = old.replace( rescape, "\\$&" );
1273                                 } else {
1274                                         context.setAttribute( "id", nid );
1275                                 }
1276                                 nid = "[id='" + nid + "'] ";
1277
1278                                 i = groups.length;
1279                                 while ( i-- ) {
1280                                         groups[i] = nid + toSelector( groups[i] );
1281                                 }
1282                                 newContext = rsibling.test( selector ) && context.parentNode || context;
1283                                 newSelector = groups.join(",");
1284                         }
1285
1286                         if ( newSelector ) {
1287                                 try {
1288                                         push.apply( results,
1289                                                 newContext.querySelectorAll( newSelector )
1290                                         );
1291                                         return results;
1292                                 } catch(qsaError) {
1293                                 } finally {
1294                                         if ( !old ) {
1295                                                 context.removeAttribute("id");
1296                                         }
1297                                 }
1298                         }
1299                 }
1300         }
1301
1302         // All others
1303         return select( selector.replace( rtrim, "$1" ), context, results, seed );
1304 }
1305
1306 /**
1307  * Create key-value caches of limited size
1308  * @returns {Function(string, Object)} Returns the Object data after storing it on itself with
1309  *      property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
1310  *      deleting the oldest entry
1311  */
1312 function createCache() {
1313         var keys = [];
1314
1315         function cache( key, value ) {
1316                 // Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
1317                 if ( keys.push( key += " " ) > Expr.cacheLength ) {
1318                         // Only keep the most recent entries
1319                         delete cache[ keys.shift() ];
1320                 }
1321                 return (cache[ key ] = value);
1322         }
1323         return cache;
1324 }
1325
1326 /**
1327  * Mark a function for special use by Sizzle
1328  * @param {Function} fn The function to mark
1329  */
1330 function markFunction( fn ) {
1331         fn[ expando ] = true;
1332         return fn;
1333 }
1334
1335 /**
1336  * Support testing using an element
1337  * @param {Function} fn Passed the created div and expects a boolean result
1338  */
1339 function assert( fn ) {
1340         var div = document.createElement("div");
1341
1342         try {
1343                 return !!fn( div );
1344         } catch (e) {
1345                 return false;
1346         } finally {
1347                 // Remove from its parent by default
1348                 if ( div.parentNode ) {
1349                         div.parentNode.removeChild( div );
1350                 }
1351                 // release memory in IE
1352                 div = null;
1353         }
1354 }
1355
1356 /**
1357  * Adds the same handler for all of the specified attrs
1358  * @param {String} attrs Pipe-separated list of attributes
1359  * @param {Function} handler The method that will be applied
1360  */
1361 function addHandle( attrs, handler ) {
1362         var arr = attrs.split("|"),
1363                 i = attrs.length;
1364
1365         while ( i-- ) {
1366                 Expr.attrHandle[ arr[i] ] = handler;
1367         }
1368 }
1369
1370 /**
1371  * Checks document order of two siblings
1372  * @param {Element} a
1373  * @param {Element} b
1374  * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
1375  */
1376 function siblingCheck( a, b ) {
1377         var cur = b && a,
1378                 diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
1379                         ( ~b.sourceIndex || MAX_NEGATIVE ) -
1380                         ( ~a.sourceIndex || MAX_NEGATIVE );
1381
1382         // Use IE sourceIndex if available on both nodes
1383         if ( diff ) {
1384                 return diff;
1385         }
1386
1387         // Check if b follows a
1388         if ( cur ) {
1389                 while ( (cur = cur.nextSibling) ) {
1390                         if ( cur === b ) {
1391                                 return -1;
1392                         }
1393                 }
1394         }
1395
1396         return a ? 1 : -1;
1397 }
1398
1399 /**
1400  * Returns a function to use in pseudos for input types
1401  * @param {String} type
1402  */
1403 function createInputPseudo( type ) {
1404         return function( elem ) {
1405                 var name = elem.nodeName.toLowerCase();
1406                 return name === "input" && elem.type === type;
1407         };
1408 }
1409
1410 /**
1411  * Returns a function to use in pseudos for buttons
1412  * @param {String} type
1413  */
1414 function createButtonPseudo( type ) {
1415         return function( elem ) {
1416                 var name = elem.nodeName.toLowerCase();
1417                 return (name === "input" || name === "button") && elem.type === type;
1418         };
1419 }
1420
1421 /**
1422  * Returns a function to use in pseudos for positionals
1423  * @param {Function} fn
1424  */
1425 function createPositionalPseudo( fn ) {
1426         return markFunction(function( argument ) {
1427                 argument = +argument;
1428                 return markFunction(function( seed, matches ) {
1429                         var j,
1430                                 matchIndexes = fn( [], seed.length, argument ),
1431                                 i = matchIndexes.length;
1432
1433                         // Match elements found at the specified indexes
1434                         while ( i-- ) {
1435                                 if ( seed[ (j = matchIndexes[i]) ] ) {
1436                                         seed[j] = !(matches[j] = seed[j]);
1437                                 }
1438                         }
1439                 });
1440         });
1441 }
1442
1443 /**
1444  * Detect xml
1445  * @param {Element|Object} elem An element or a document
1446  */
1447 isXML = Sizzle.isXML = function( elem ) {
1448         // documentElement is verified for cases where it doesn't yet exist
1449         // (such as loading iframes in IE - #4833)
1450         var documentElement = elem && (elem.ownerDocument || elem).documentElement;
1451         return documentElement ? documentElement.nodeName !== "HTML" : false;
1452 };
1453
1454 // Expose support vars for convenience
1455 support = Sizzle.support = {};
1456
1457 /**
1458  * Sets document-related variables once based on the current document
1459  * @param {Element|Object} [doc] An element or document object to use to set the document
1460  * @returns {Object} Returns the current document
1461  */
1462 setDocument = Sizzle.setDocument = function( node ) {
1463         var doc = node ? node.ownerDocument || node : preferredDoc,
1464                 parent = doc.defaultView;
1465
1466         // If no document and documentElement is available, return
1467         if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
1468                 return document;
1469         }
1470
1471         // Set our document
1472         document = doc;
1473         docElem = doc.documentElement;
1474
1475         // Support tests
1476         documentIsHTML = !isXML( doc );
1477
1478         // Support: IE>8
1479         // If iframe document is assigned to "document" variable and if iframe has been reloaded,
1480         // IE will throw "permission denied" error when accessing "document" variable, see jQuery #13936
1481         // IE6-8 do not support the defaultView property so parent will be undefined
1482         if ( parent && parent.attachEvent && parent !== parent.top ) {
1483                 parent.attachEvent( "onbeforeunload", function() {
1484                         setDocument();
1485                 });
1486         }
1487
1488         /* Attributes
1489         ---------------------------------------------------------------------- */
1490
1491         // Support: IE<8
1492         // Verify that getAttribute really returns attributes and not properties (excepting IE8 booleans)
1493         support.attributes = assert(function( div ) {
1494                 div.className = "i";
1495                 return !div.getAttribute("className");
1496         });
1497
1498         /* getElement(s)By*
1499         ---------------------------------------------------------------------- */
1500
1501         // Check if getElementsByTagName("*") returns only elements
1502         support.getElementsByTagName = assert(function( div ) {
1503                 div.appendChild( doc.createComment("") );
1504                 return !div.getElementsByTagName("*").length;
1505         });
1506
1507         // Check if getElementsByClassName can be trusted
1508         support.getElementsByClassName = assert(function( div ) {
1509                 div.innerHTML = "<div class='a'></div><div class='a i'></div>";
1510
1511                 // Support: Safari<4
1512                 // Catch class over-caching
1513                 div.firstChild.className = "i";
1514                 // Support: Opera<10
1515                 // Catch gEBCN failure to find non-leading classes
1516                 return div.getElementsByClassName("i").length === 2;
1517         });
1518
1519         // Support: IE<10
1520         // Check if getElementById returns elements by name
1521         // The broken getElementById methods don't pick up programatically-set names,
1522         // so use a roundabout getElementsByName test
1523         support.getById = assert(function( div ) {
1524                 docElem.appendChild( div ).id = expando;
1525                 return !doc.getElementsByName || !doc.getElementsByName( expando ).length;
1526         });
1527
1528         // ID find and filter
1529         if ( support.getById ) {
1530                 Expr.find["ID"] = function( id, context ) {
1531                         if ( typeof context.getElementById !== strundefined && documentIsHTML ) {
1532                                 var m = context.getElementById( id );
1533                                 // Check parentNode to catch when Blackberry 4.6 returns
1534                                 // nodes that are no longer in the document #6963
1535                                 return m && m.parentNode ? [m] : [];
1536                         }
1537                 };
1538                 Expr.filter["ID"] = function( id ) {
1539                         var attrId = id.replace( runescape, funescape );
1540                         return function( elem ) {
1541                                 return elem.getAttribute("id") === attrId;
1542                         };
1543                 };
1544         } else {
1545                 // Support: IE6/7
1546                 // getElementById is not reliable as a find shortcut
1547                 delete Expr.find["ID"];
1548
1549                 Expr.filter["ID"] =  function( id ) {
1550                         var attrId = id.replace( runescape, funescape );
1551                         return function( elem ) {
1552                                 var node = typeof elem.getAttributeNode !== strundefined && elem.getAttributeNode("id");
1553                                 return node && node.value === attrId;
1554                         };
1555                 };
1556         }
1557
1558         // Tag
1559         Expr.find["TAG"] = support.getElementsByTagName ?
1560                 function( tag, context ) {
1561                         if ( typeof context.getElementsByTagName !== strundefined ) {
1562                                 return context.getElementsByTagName( tag );
1563                         }
1564                 } :
1565                 function( tag, context ) {
1566                         var elem,
1567                                 tmp = [],
1568                                 i = 0,
1569                                 results = context.getElementsByTagName( tag );
1570
1571                         // Filter out possible comments
1572                         if ( tag === "*" ) {
1573                                 while ( (elem = results[i++]) ) {
1574                                         if ( elem.nodeType === 1 ) {
1575                                                 tmp.push( elem );
1576                                         }
1577                                 }
1578
1579                                 return tmp;
1580                         }
1581                         return results;
1582                 };
1583
1584         // Class
1585         Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
1586                 if ( typeof context.getElementsByClassName !== strundefined && documentIsHTML ) {
1587                         return context.getElementsByClassName( className );
1588                 }
1589         };
1590
1591         /* QSA/matchesSelector
1592         ---------------------------------------------------------------------- */
1593
1594         // QSA and matchesSelector support
1595
1596         // matchesSelector(:active) reports false when true (IE9/Opera 11.5)
1597         rbuggyMatches = [];
1598
1599         // qSa(:focus) reports false when true (Chrome 21)
1600         // We allow this because of a bug in IE8/9 that throws an error
1601         // whenever `document.activeElement` is accessed on an iframe
1602         // So, we allow :focus to pass through QSA all the time to avoid the IE error
1603         // See http://bugs.jquery.com/ticket/13378
1604         rbuggyQSA = [];
1605
1606         if ( (support.qsa = rnative.test( doc.querySelectorAll )) ) {
1607                 // Build QSA regex
1608                 // Regex strategy adopted from Diego Perini
1609                 assert(function( div ) {
1610                         // Select is set to empty string on purpose
1611                         // This is to test IE's treatment of not explicitly
1612                         // setting a boolean content attribute,
1613                         // since its presence should be enough
1614                         // http://bugs.jquery.com/ticket/12359
1615                         div.innerHTML = "<select><option selected=''></option></select>";
1616
1617                         // Support: IE8
1618                         // Boolean attributes and "value" are not treated correctly
1619                         if ( !div.querySelectorAll("[selected]").length ) {
1620                                 rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
1621                         }
1622
1623                         // Webkit/Opera - :checked should return selected option elements
1624                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
1625                         // IE8 throws error here and will not see later tests
1626                         if ( !div.querySelectorAll(":checked").length ) {
1627                                 rbuggyQSA.push(":checked");
1628                         }
1629                 });
1630
1631                 assert(function( div ) {
1632
1633                         // Support: Opera 10-12/IE8
1634                         // ^= $= *= and empty values
1635                         // Should not select anything
1636                         // Support: Windows 8 Native Apps
1637                         // The type attribute is restricted during .innerHTML assignment
1638                         var input = doc.createElement("input");
1639                         input.setAttribute( "type", "hidden" );
1640                         div.appendChild( input ).setAttribute( "t", "" );
1641
1642                         if ( div.querySelectorAll("[t^='']").length ) {
1643                                 rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
1644                         }
1645
1646                         // FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
1647                         // IE8 throws error here and will not see later tests
1648                         if ( !div.querySelectorAll(":enabled").length ) {
1649                                 rbuggyQSA.push( ":enabled", ":disabled" );
1650                         }
1651
1652                         // Opera 10-11 does not throw on post-comma invalid pseudos
1653                         div.querySelectorAll("*,:x");
1654                         rbuggyQSA.push(",.*:");
1655                 });
1656         }
1657
1658         if ( (support.matchesSelector = rnative.test( (matches = docElem.webkitMatchesSelector ||
1659                 docElem.mozMatchesSelector ||
1660                 docElem.oMatchesSelector ||
1661                 docElem.msMatchesSelector) )) ) {
1662
1663                 assert(function( div ) {
1664                         // Check to see if it's possible to do matchesSelector
1665                         // on a disconnected node (IE 9)
1666                         support.disconnectedMatch = matches.call( div, "div" );
1667
1668                         // This should fail with an exception
1669                         // Gecko does not error, returns false instead
1670                         matches.call( div, "[s!='']:x" );
1671                         rbuggyMatches.push( "!=", pseudos );
1672                 });
1673         }
1674
1675         rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
1676         rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
1677
1678         /* Contains
1679         ---------------------------------------------------------------------- */
1680
1681         // Element contains another
1682         // Purposefully does not implement inclusive descendent
1683         // As in, an element does not contain itself
1684         contains = rnative.test( docElem.contains ) || docElem.compareDocumentPosition ?
1685                 function( a, b ) {
1686                         var adown = a.nodeType === 9 ? a.documentElement : a,
1687                                 bup = b && b.parentNode;
1688                         return a === bup || !!( bup && bup.nodeType === 1 && (
1689                                 adown.contains ?
1690                                         adown.contains( bup ) :
1691                                         a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
1692                         ));
1693                 } :
1694                 function( a, b ) {
1695                         if ( b ) {
1696                                 while ( (b = b.parentNode) ) {
1697                                         if ( b === a ) {
1698                                                 return true;
1699                                         }
1700                                 }
1701                         }
1702                         return false;
1703                 };
1704
1705         /* Sorting
1706         ---------------------------------------------------------------------- */
1707
1708         // Document order sorting
1709         sortOrder = docElem.compareDocumentPosition ?
1710         function( a, b ) {
1711
1712                 // Flag for duplicate removal
1713                 if ( a === b ) {
1714                         hasDuplicate = true;
1715                         return 0;
1716                 }
1717
1718                 var compare = b.compareDocumentPosition && a.compareDocumentPosition && a.compareDocumentPosition( b );
1719
1720                 if ( compare ) {
1721                         // Disconnected nodes
1722                         if ( compare & 1 ||
1723                                 (!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
1724
1725                                 // Choose the first element that is related to our preferred document
1726                                 if ( a === doc || contains(preferredDoc, a) ) {
1727                                         return -1;
1728                                 }
1729                                 if ( b === doc || contains(preferredDoc, b) ) {
1730                                         return 1;
1731                                 }
1732
1733                                 // Maintain original order
1734                                 return sortInput ?
1735                                         ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1736                                         0;
1737                         }
1738
1739                         return compare & 4 ? -1 : 1;
1740                 }
1741
1742                 // Not directly comparable, sort on existence of method
1743                 return a.compareDocumentPosition ? -1 : 1;
1744         } :
1745         function( a, b ) {
1746                 var cur,
1747                         i = 0,
1748                         aup = a.parentNode,
1749                         bup = b.parentNode,
1750                         ap = [ a ],
1751                         bp = [ b ];
1752
1753                 // Exit early if the nodes are identical
1754                 if ( a === b ) {
1755                         hasDuplicate = true;
1756                         return 0;
1757
1758                 // Parentless nodes are either documents or disconnected
1759                 } else if ( !aup || !bup ) {
1760                         return a === doc ? -1 :
1761                                 b === doc ? 1 :
1762                                 aup ? -1 :
1763                                 bup ? 1 :
1764                                 sortInput ?
1765                                 ( indexOf.call( sortInput, a ) - indexOf.call( sortInput, b ) ) :
1766                                 0;
1767
1768                 // If the nodes are siblings, we can do a quick check
1769                 } else if ( aup === bup ) {
1770                         return siblingCheck( a, b );
1771                 }
1772
1773                 // Otherwise we need full lists of their ancestors for comparison
1774                 cur = a;
1775                 while ( (cur = cur.parentNode) ) {
1776                         ap.unshift( cur );
1777                 }
1778                 cur = b;
1779                 while ( (cur = cur.parentNode) ) {
1780                         bp.unshift( cur );
1781                 }
1782
1783                 // Walk down the tree looking for a discrepancy
1784                 while ( ap[i] === bp[i] ) {
1785                         i++;
1786                 }
1787
1788                 return i ?
1789                         // Do a sibling check if the nodes have a common ancestor
1790                         siblingCheck( ap[i], bp[i] ) :
1791
1792                         // Otherwise nodes in our document sort first
1793                         ap[i] === preferredDoc ? -1 :
1794                         bp[i] === preferredDoc ? 1 :
1795                         0;
1796         };
1797
1798         return doc;
1799 };
1800
1801 Sizzle.matches = function( expr, elements ) {
1802         return Sizzle( expr, null, null, elements );
1803 };
1804
1805 Sizzle.matchesSelector = function( elem, expr ) {
1806         // Set document vars if needed
1807         if ( ( elem.ownerDocument || elem ) !== document ) {
1808                 setDocument( elem );
1809         }
1810
1811         // Make sure that attribute selectors are quoted
1812         expr = expr.replace( rattributeQuotes, "='$1']" );
1813
1814         if ( support.matchesSelector && documentIsHTML &&
1815                 ( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
1816                 ( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
1817
1818                 try {
1819                         var ret = matches.call( elem, expr );
1820
1821                         // IE 9's matchesSelector returns false on disconnected nodes
1822                         if ( ret || support.disconnectedMatch ||
1823                                         // As well, disconnected nodes are said to be in a document
1824                                         // fragment in IE 9
1825                                         elem.document && elem.document.nodeType !== 11 ) {
1826                                 return ret;
1827                         }
1828                 } catch(e) {}
1829         }
1830
1831         return Sizzle( expr, document, null, [elem] ).length > 0;
1832 };
1833
1834 Sizzle.contains = function( context, elem ) {
1835         // Set document vars if needed
1836         if ( ( context.ownerDocument || context ) !== document ) {
1837                 setDocument( context );
1838         }
1839         return contains( context, elem );
1840 };
1841
1842 Sizzle.attr = function( elem, name ) {
1843         // Set document vars if needed
1844         if ( ( elem.ownerDocument || elem ) !== document ) {
1845                 setDocument( elem );
1846         }
1847
1848         var fn = Expr.attrHandle[ name.toLowerCase() ],
1849                 // Don't get fooled by Object.prototype properties (jQuery #13807)
1850                 val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
1851                         fn( elem, name, !documentIsHTML ) :
1852                         undefined;
1853
1854         return val === undefined ?
1855                 support.attributes || !documentIsHTML ?
1856                         elem.getAttribute( name ) :
1857                         (val = elem.getAttributeNode(name)) && val.specified ?
1858                                 val.value :
1859                                 null :
1860                 val;
1861 };
1862
1863 Sizzle.error = function( msg ) {
1864         throw new Error( "Syntax error, unrecognized expression: " + msg );
1865 };
1866
1867 /**
1868  * Document sorting and removing duplicates
1869  * @param {ArrayLike} results
1870  */
1871 Sizzle.uniqueSort = function( results ) {
1872         var elem,
1873                 duplicates = [],
1874                 j = 0,
1875                 i = 0;
1876
1877         // Unless we *know* we can detect duplicates, assume their presence
1878         hasDuplicate = !support.detectDuplicates;
1879         sortInput = !support.sortStable && results.slice( 0 );
1880         results.sort( sortOrder );
1881
1882         if ( hasDuplicate ) {
1883                 while ( (elem = results[i++]) ) {
1884                         if ( elem === results[ i ] ) {
1885                                 j = duplicates.push( i );
1886                         }
1887                 }
1888                 while ( j-- ) {
1889                         results.splice( duplicates[ j ], 1 );
1890                 }
1891         }
1892
1893         return results;
1894 };
1895
1896 /**
1897  * Utility function for retrieving the text value of an array of DOM nodes
1898  * @param {Array|Element} elem
1899  */
1900 getText = Sizzle.getText = function( elem ) {
1901         var node,
1902                 ret = "",
1903                 i = 0,
1904                 nodeType = elem.nodeType;
1905
1906         if ( !nodeType ) {
1907                 // If no nodeType, this is expected to be an array
1908                 for ( ; (node = elem[i]); i++ ) {
1909                         // Do not traverse comment nodes
1910                         ret += getText( node );
1911                 }
1912         } else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
1913                 // Use textContent for elements
1914                 // innerText usage removed for consistency of new lines (see #11153)
1915                 if ( typeof elem.textContent === "string" ) {
1916                         return elem.textContent;
1917                 } else {
1918                         // Traverse its children
1919                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
1920                                 ret += getText( elem );
1921                         }
1922                 }
1923         } else if ( nodeType === 3 || nodeType === 4 ) {
1924                 return elem.nodeValue;
1925         }
1926         // Do not include comment or processing instruction nodes
1927
1928         return ret;
1929 };
1930
1931 Expr = Sizzle.selectors = {
1932
1933         // Can be adjusted by the user
1934         cacheLength: 50,
1935
1936         createPseudo: markFunction,
1937
1938         match: matchExpr,
1939
1940         attrHandle: {},
1941
1942         find: {},
1943
1944         relative: {
1945                 ">": { dir: "parentNode", first: true },
1946                 " ": { dir: "parentNode" },
1947                 "+": { dir: "previousSibling", first: true },
1948                 "~": { dir: "previousSibling" }
1949         },
1950
1951         preFilter: {
1952                 "ATTR": function( match ) {
1953                         match[1] = match[1].replace( runescape, funescape );
1954
1955                         // Move the given value to match[3] whether quoted or unquoted
1956                         match[3] = ( match[4] || match[5] || "" ).replace( runescape, funescape );
1957
1958                         if ( match[2] === "~=" ) {
1959                                 match[3] = " " + match[3] + " ";
1960                         }
1961
1962                         return match.slice( 0, 4 );
1963                 },
1964
1965                 "CHILD": function( match ) {
1966                         /* matches from matchExpr["CHILD"]
1967                                 1 type (only|nth|...)
1968                                 2 what (child|of-type)
1969                                 3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
1970                                 4 xn-component of xn+y argument ([+-]?\d*n|)
1971                                 5 sign of xn-component
1972                                 6 x of xn-component
1973                                 7 sign of y-component
1974                                 8 y of y-component
1975                         */
1976                         match[1] = match[1].toLowerCase();
1977
1978                         if ( match[1].slice( 0, 3 ) === "nth" ) {
1979                                 // nth-* requires argument
1980                                 if ( !match[3] ) {
1981                                         Sizzle.error( match[0] );
1982                                 }
1983
1984                                 // numeric x and y parameters for Expr.filter.CHILD
1985                                 // remember that false/true cast respectively to 0/1
1986                                 match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
1987                                 match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
1988
1989                         // other types prohibit arguments
1990                         } else if ( match[3] ) {
1991                                 Sizzle.error( match[0] );
1992                         }
1993
1994                         return match;
1995                 },
1996
1997                 "PSEUDO": function( match ) {
1998                         var excess,
1999                                 unquoted = !match[5] && match[2];
2000
2001                         if ( matchExpr["CHILD"].test( match[0] ) ) {
2002                                 return null;
2003                         }
2004
2005                         // Accept quoted arguments as-is
2006                         if ( match[3] && match[4] !== undefined ) {
2007                                 match[2] = match[4];
2008
2009                         // Strip excess characters from unquoted arguments
2010                         } else if ( unquoted && rpseudo.test( unquoted ) &&
2011                                 // Get excess from tokenize (recursively)
2012                                 (excess = tokenize( unquoted, true )) &&
2013                                 // advance to the next closing parenthesis
2014                                 (excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
2015
2016                                 // excess is a negative index
2017                                 match[0] = match[0].slice( 0, excess );
2018                                 match[2] = unquoted.slice( 0, excess );
2019                         }
2020
2021                         // Return only captures needed by the pseudo filter method (type and argument)
2022                         return match.slice( 0, 3 );
2023                 }
2024         },
2025
2026         filter: {
2027
2028                 "TAG": function( nodeNameSelector ) {
2029                         var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
2030                         return nodeNameSelector === "*" ?
2031                                 function() { return true; } :
2032                                 function( elem ) {
2033                                         return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
2034                                 };
2035                 },
2036
2037                 "CLASS": function( className ) {
2038                         var pattern = classCache[ className + " " ];
2039
2040                         return pattern ||
2041                                 (pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
2042                                 classCache( className, function( elem ) {
2043                                         return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== strundefined && elem.getAttribute("class") || "" );
2044                                 });
2045                 },
2046
2047                 "ATTR": function( name, operator, check ) {
2048                         return function( elem ) {
2049                                 var result = Sizzle.attr( elem, name );
2050
2051                                 if ( result == null ) {
2052                                         return operator === "!=";
2053                                 }
2054                                 if ( !operator ) {
2055                                         return true;
2056                                 }
2057
2058                                 result += "";
2059
2060                                 return operator === "=" ? result === check :
2061                                         operator === "!=" ? result !== check :
2062                                         operator === "^=" ? check && result.indexOf( check ) === 0 :
2063                                         operator === "*=" ? check && result.indexOf( check ) > -1 :
2064                                         operator === "$=" ? check && result.slice( -check.length ) === check :
2065                                         operator === "~=" ? ( " " + result + " " ).indexOf( check ) > -1 :
2066                                         operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
2067                                         false;
2068                         };
2069                 },
2070
2071                 "CHILD": function( type, what, argument, first, last ) {
2072                         var simple = type.slice( 0, 3 ) !== "nth",
2073                                 forward = type.slice( -4 ) !== "last",
2074                                 ofType = what === "of-type";
2075
2076                         return first === 1 && last === 0 ?
2077
2078                                 // Shortcut for :nth-*(n)
2079                                 function( elem ) {
2080                                         return !!elem.parentNode;
2081                                 } :
2082
2083                                 function( elem, context, xml ) {
2084                                         var cache, outerCache, node, diff, nodeIndex, start,
2085                                                 dir = simple !== forward ? "nextSibling" : "previousSibling",
2086                                                 parent = elem.parentNode,
2087                                                 name = ofType && elem.nodeName.toLowerCase(),
2088                                                 useCache = !xml && !ofType;
2089
2090                                         if ( parent ) {
2091
2092                                                 // :(first|last|only)-(child|of-type)
2093                                                 if ( simple ) {
2094                                                         while ( dir ) {
2095                                                                 node = elem;
2096                                                                 while ( (node = node[ dir ]) ) {
2097                                                                         if ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) {
2098                                                                                 return false;
2099                                                                         }
2100                                                                 }
2101                                                                 // Reverse direction for :only-* (if we haven't yet done so)
2102                                                                 start = dir = type === "only" && !start && "nextSibling";
2103                                                         }
2104                                                         return true;
2105                                                 }
2106
2107                                                 start = [ forward ? parent.firstChild : parent.lastChild ];
2108
2109                                                 // non-xml :nth-child(...) stores cache data on `parent`
2110                                                 if ( forward && useCache ) {
2111                                                         // Seek `elem` from a previously-cached index
2112                                                         outerCache = parent[ expando ] || (parent[ expando ] = {});
2113                                                         cache = outerCache[ type ] || [];
2114                                                         nodeIndex = cache[0] === dirruns && cache[1];
2115                                                         diff = cache[0] === dirruns && cache[2];
2116                                                         node = nodeIndex && parent.childNodes[ nodeIndex ];
2117
2118                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
2119
2120                                                                 // Fallback to seeking `elem` from the start
2121                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
2122
2123                                                                 // When found, cache indexes on `parent` and break
2124                                                                 if ( node.nodeType === 1 && ++diff && node === elem ) {
2125                                                                         outerCache[ type ] = [ dirruns, nodeIndex, diff ];
2126                                                                         break;
2127                                                                 }
2128                                                         }
2129
2130                                                 // Use previously-cached element index if available
2131                                                 } else if ( useCache && (cache = (elem[ expando ] || (elem[ expando ] = {}))[ type ]) && cache[0] === dirruns ) {
2132                                                         diff = cache[1];
2133
2134                                                 // xml :nth-child(...) or :nth-last-child(...) or :nth(-last)?-of-type(...)
2135                                                 } else {
2136                                                         // Use the same loop as above to seek `elem` from the start
2137                                                         while ( (node = ++nodeIndex && node && node[ dir ] ||
2138                                                                 (diff = nodeIndex = 0) || start.pop()) ) {
2139
2140                                                                 if ( ( ofType ? node.nodeName.toLowerCase() === name : node.nodeType === 1 ) && ++diff ) {
2141                                                                         // Cache the index of each encountered element
2142                                                                         if ( useCache ) {
2143                                                                                 (node[ expando ] || (node[ expando ] = {}))[ type ] = [ dirruns, diff ];
2144                                                                         }
2145
2146                                                                         if ( node === elem ) {
2147                                                                                 break;
2148                                                                         }
2149                                                                 }
2150                                                         }
2151                                                 }
2152
2153                                                 // Incorporate the offset, then check against cycle size
2154                                                 diff -= last;
2155                                                 return diff === first || ( diff % first === 0 && diff / first >= 0 );
2156                                         }
2157                                 };
2158                 },
2159
2160                 "PSEUDO": function( pseudo, argument ) {
2161                         // pseudo-class names are case-insensitive
2162                         // http://www.w3.org/TR/selectors/#pseudo-classes
2163                         // Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
2164                         // Remember that setFilters inherits from pseudos
2165                         var args,
2166                                 fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
2167                                         Sizzle.error( "unsupported pseudo: " + pseudo );
2168
2169                         // The user may use createPseudo to indicate that
2170                         // arguments are needed to create the filter function
2171                         // just as Sizzle does
2172                         if ( fn[ expando ] ) {
2173                                 return fn( argument );
2174                         }
2175
2176                         // But maintain support for old signatures
2177                         if ( fn.length > 1 ) {
2178                                 args = [ pseudo, pseudo, "", argument ];
2179                                 return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
2180                                         markFunction(function( seed, matches ) {
2181                                                 var idx,
2182                                                         matched = fn( seed, argument ),
2183                                                         i = matched.length;
2184                                                 while ( i-- ) {
2185                                                         idx = indexOf.call( seed, matched[i] );
2186                                                         seed[ idx ] = !( matches[ idx ] = matched[i] );
2187                                                 }
2188                                         }) :
2189                                         function( elem ) {
2190                                                 return fn( elem, 0, args );
2191                                         };
2192                         }
2193
2194                         return fn;
2195                 }
2196         },
2197
2198         pseudos: {
2199                 // Potentially complex pseudos
2200                 "not": markFunction(function( selector ) {
2201                         // Trim the selector passed to compile
2202                         // to avoid treating leading and trailing
2203                         // spaces as combinators
2204                         var input = [],
2205                                 results = [],
2206                                 matcher = compile( selector.replace( rtrim, "$1" ) );
2207
2208                         return matcher[ expando ] ?
2209                                 markFunction(function( seed, matches, context, xml ) {
2210                                         var elem,
2211                                                 unmatched = matcher( seed, null, xml, [] ),
2212                                                 i = seed.length;
2213
2214                                         // Match elements unmatched by `matcher`
2215                                         while ( i-- ) {
2216                                                 if ( (elem = unmatched[i]) ) {
2217                                                         seed[i] = !(matches[i] = elem);
2218                                                 }
2219                                         }
2220                                 }) :
2221                                 function( elem, context, xml ) {
2222                                         input[0] = elem;
2223                                         matcher( input, null, xml, results );
2224                                         return !results.pop();
2225                                 };
2226                 }),
2227
2228                 "has": markFunction(function( selector ) {
2229                         return function( elem ) {
2230                                 return Sizzle( selector, elem ).length > 0;
2231                         };
2232                 }),
2233
2234                 "contains": markFunction(function( text ) {
2235                         return function( elem ) {
2236                                 return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
2237                         };
2238                 }),
2239
2240                 // "Whether an element is represented by a :lang() selector
2241                 // is based solely on the element's language value
2242                 // being equal to the identifier C,
2243                 // or beginning with the identifier C immediately followed by "-".
2244                 // The matching of C against the element's language value is performed case-insensitively.
2245                 // The identifier C does not have to be a valid language name."
2246                 // http://www.w3.org/TR/selectors/#lang-pseudo
2247                 "lang": markFunction( function( lang ) {
2248                         // lang value must be a valid identifier
2249                         if ( !ridentifier.test(lang || "") ) {
2250                                 Sizzle.error( "unsupported lang: " + lang );
2251                         }
2252                         lang = lang.replace( runescape, funescape ).toLowerCase();
2253                         return function( elem ) {
2254                                 var elemLang;
2255                                 do {
2256                                         if ( (elemLang = documentIsHTML ?
2257                                                 elem.lang :
2258                                                 elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
2259
2260                                                 elemLang = elemLang.toLowerCase();
2261                                                 return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
2262                                         }
2263                                 } while ( (elem = elem.parentNode) && elem.nodeType === 1 );
2264                                 return false;
2265                         };
2266                 }),
2267
2268                 // Miscellaneous
2269                 "target": function( elem ) {
2270                         var hash = window.location && window.location.hash;
2271                         return hash && hash.slice( 1 ) === elem.id;
2272                 },
2273
2274                 "root": function( elem ) {
2275                         return elem === docElem;
2276                 },
2277
2278                 "focus": function( elem ) {
2279                         return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
2280                 },
2281
2282                 // Boolean properties
2283                 "enabled": function( elem ) {
2284                         return elem.disabled === false;
2285                 },
2286
2287                 "disabled": function( elem ) {
2288                         return elem.disabled === true;
2289                 },
2290
2291                 "checked": function( elem ) {
2292                         // In CSS3, :checked should return both checked and selected elements
2293                         // http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
2294                         var nodeName = elem.nodeName.toLowerCase();
2295                         return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
2296                 },
2297
2298                 "selected": function( elem ) {
2299                         // Accessing this property makes selected-by-default
2300                         // options in Safari work properly
2301                         if ( elem.parentNode ) {
2302                                 elem.parentNode.selectedIndex;
2303                         }
2304
2305                         return elem.selected === true;
2306                 },
2307
2308                 // Contents
2309                 "empty": function( elem ) {
2310                         // http://www.w3.org/TR/selectors/#empty-pseudo
2311                         // :empty is only affected by element nodes and content nodes(including text(3), cdata(4)),
2312                         //   not comment, processing instructions, or others
2313                         // Thanks to Diego Perini for the nodeName shortcut
2314                         //   Greater than "@" means alpha characters (specifically not starting with "#" or "?")
2315                         for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
2316                                 if ( elem.nodeName > "@" || elem.nodeType === 3 || elem.nodeType === 4 ) {
2317                                         return false;
2318                                 }
2319                         }
2320                         return true;
2321                 },
2322
2323                 "parent": function( elem ) {
2324                         return !Expr.pseudos["empty"]( elem );
2325                 },
2326
2327                 // Element/input types
2328                 "header": function( elem ) {
2329                         return rheader.test( elem.nodeName );
2330                 },
2331
2332                 "input": function( elem ) {
2333                         return rinputs.test( elem.nodeName );
2334                 },
2335
2336                 "button": function( elem ) {
2337                         var name = elem.nodeName.toLowerCase();
2338                         return name === "input" && elem.type === "button" || name === "button";
2339                 },
2340
2341                 "text": function( elem ) {
2342                         var attr;
2343                         // IE6 and 7 will map elem.type to 'text' for new HTML5 types (search, etc)
2344                         // use getAttribute instead to test this case
2345                         return elem.nodeName.toLowerCase() === "input" &&
2346                                 elem.type === "text" &&
2347                                 ( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === elem.type );
2348                 },
2349
2350                 // Position-in-collection
2351                 "first": createPositionalPseudo(function() {
2352                         return [ 0 ];
2353                 }),
2354
2355                 "last": createPositionalPseudo(function( matchIndexes, length ) {
2356                         return [ length - 1 ];
2357                 }),
2358
2359                 "eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
2360                         return [ argument < 0 ? argument + length : argument ];
2361                 }),
2362
2363                 "even": createPositionalPseudo(function( matchIndexes, length ) {
2364                         var i = 0;
2365                         for ( ; i < length; i += 2 ) {
2366                                 matchIndexes.push( i );
2367                         }
2368                         return matchIndexes;
2369                 }),
2370
2371                 "odd": createPositionalPseudo(function( matchIndexes, length ) {
2372                         var i = 1;
2373                         for ( ; i < length; i += 2 ) {
2374                                 matchIndexes.push( i );
2375                         }
2376                         return matchIndexes;
2377                 }),
2378
2379                 "lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2380                         var i = argument < 0 ? argument + length : argument;
2381                         for ( ; --i >= 0; ) {
2382                                 matchIndexes.push( i );
2383                         }
2384                         return matchIndexes;
2385                 }),
2386
2387                 "gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
2388                         var i = argument < 0 ? argument + length : argument;
2389                         for ( ; ++i < length; ) {
2390                                 matchIndexes.push( i );
2391                         }
2392                         return matchIndexes;
2393                 })
2394         }
2395 };
2396
2397 Expr.pseudos["nth"] = Expr.pseudos["eq"];
2398
2399 // Add button/input type pseudos
2400 for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
2401         Expr.pseudos[ i ] = createInputPseudo( i );
2402 }
2403 for ( i in { submit: true, reset: true } ) {
2404         Expr.pseudos[ i ] = createButtonPseudo( i );
2405 }
2406
2407 // Easy API for creating new setFilters
2408 function setFilters() {}
2409 setFilters.prototype = Expr.filters = Expr.pseudos;
2410 Expr.setFilters = new setFilters();
2411
2412 function tokenize( selector, parseOnly ) {
2413         var matched, match, tokens, type,
2414                 soFar, groups, preFilters,
2415                 cached = tokenCache[ selector + " " ];
2416
2417         if ( cached ) {
2418                 return parseOnly ? 0 : cached.slice( 0 );
2419         }
2420
2421         soFar = selector;
2422         groups = [];
2423         preFilters = Expr.preFilter;
2424
2425         while ( soFar ) {
2426
2427                 // Comma and first run
2428                 if ( !matched || (match = rcomma.exec( soFar )) ) {
2429                         if ( match ) {
2430                                 // Don't consume trailing commas as valid
2431                                 soFar = soFar.slice( match[0].length ) || soFar;
2432                         }
2433                         groups.push( tokens = [] );
2434                 }
2435
2436                 matched = false;
2437
2438                 // Combinators
2439                 if ( (match = rcombinators.exec( soFar )) ) {
2440                         matched = match.shift();
2441                         tokens.push({
2442                                 value: matched,
2443                                 // Cast descendant combinators to space
2444                                 type: match[0].replace( rtrim, " " )
2445                         });
2446                         soFar = soFar.slice( matched.length );
2447                 }
2448
2449                 // Filters
2450                 for ( type in Expr.filter ) {
2451                         if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
2452                                 (match = preFilters[ type ]( match ))) ) {
2453                                 matched = match.shift();
2454                                 tokens.push({
2455                                         value: matched,
2456                                         type: type,
2457                                         matches: match
2458                                 });
2459                                 soFar = soFar.slice( matched.length );
2460                         }
2461                 }
2462
2463                 if ( !matched ) {
2464                         break;
2465                 }
2466         }
2467
2468         // Return the length of the invalid excess
2469         // if we're just parsing
2470         // Otherwise, throw an error or return tokens
2471         return parseOnly ?
2472                 soFar.length :
2473                 soFar ?
2474                         Sizzle.error( selector ) :
2475                         // Cache the tokens
2476                         tokenCache( selector, groups ).slice( 0 );
2477 }
2478
2479 function toSelector( tokens ) {
2480         var i = 0,
2481                 len = tokens.length,
2482                 selector = "";
2483         for ( ; i < len; i++ ) {
2484                 selector += tokens[i].value;
2485         }
2486         return selector;
2487 }
2488
2489 function addCombinator( matcher, combinator, base ) {
2490         var dir = combinator.dir,
2491                 checkNonElements = base && dir === "parentNode",
2492                 doneName = done++;
2493
2494         return combinator.first ?
2495                 // Check against closest ancestor/preceding element
2496                 function( elem, context, xml ) {
2497                         while ( (elem = elem[ dir ]) ) {
2498                                 if ( elem.nodeType === 1 || checkNonElements ) {
2499                                         return matcher( elem, context, xml );
2500                                 }
2501                         }
2502                 } :
2503
2504                 // Check against all ancestor/preceding elements
2505                 function( elem, context, xml ) {
2506                         var data, cache, outerCache,
2507                                 dirkey = dirruns + " " + doneName;
2508
2509                         // We can't set arbitrary data on XML nodes, so they don't benefit from dir caching
2510                         if ( xml ) {
2511                                 while ( (elem = elem[ dir ]) ) {
2512                                         if ( elem.nodeType === 1 || checkNonElements ) {
2513                                                 if ( matcher( elem, context, xml ) ) {
2514                                                         return true;
2515                                                 }
2516                                         }
2517                                 }
2518                         } else {
2519                                 while ( (elem = elem[ dir ]) ) {
2520                                         if ( elem.nodeType === 1 || checkNonElements ) {
2521                                                 outerCache = elem[ expando ] || (elem[ expando ] = {});
2522                                                 if ( (cache = outerCache[ dir ]) && cache[0] === dirkey ) {
2523                                                         if ( (data = cache[1]) === true || data === cachedruns ) {
2524                                                                 return data === true;
2525                                                         }
2526                                                 } else {
2527                                                         cache = outerCache[ dir ] = [ dirkey ];
2528                                                         cache[1] = matcher( elem, context, xml ) || cachedruns;
2529                                                         if ( cache[1] === true ) {
2530                                                                 return true;
2531                                                         }
2532                                                 }
2533                                         }
2534                                 }
2535                         }
2536                 };
2537 }
2538
2539 function elementMatcher( matchers ) {
2540         return matchers.length > 1 ?
2541                 function( elem, context, xml ) {
2542                         var i = matchers.length;
2543                         while ( i-- ) {
2544                                 if ( !matchers[i]( elem, context, xml ) ) {
2545                                         return false;
2546                                 }
2547                         }
2548                         return true;
2549                 } :
2550                 matchers[0];
2551 }
2552
2553 function condense( unmatched, map, filter, context, xml ) {
2554         var elem,
2555                 newUnmatched = [],
2556                 i = 0,
2557                 len = unmatched.length,
2558                 mapped = map != null;
2559
2560         for ( ; i < len; i++ ) {
2561                 if ( (elem = unmatched[i]) ) {
2562                         if ( !filter || filter( elem, context, xml ) ) {
2563                                 newUnmatched.push( elem );
2564                                 if ( mapped ) {
2565                                         map.push( i );
2566                                 }
2567                         }
2568                 }
2569         }
2570
2571         return newUnmatched;
2572 }
2573
2574 function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
2575         if ( postFilter && !postFilter[ expando ] ) {
2576                 postFilter = setMatcher( postFilter );
2577         }
2578         if ( postFinder && !postFinder[ expando ] ) {
2579                 postFinder = setMatcher( postFinder, postSelector );
2580         }
2581         return markFunction(function( seed, results, context, xml ) {
2582                 var temp, i, elem,
2583                         preMap = [],
2584                         postMap = [],
2585                         preexisting = results.length,
2586
2587                         // Get initial elements from seed or context
2588                         elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
2589
2590                         // Prefilter to get matcher input, preserving a map for seed-results synchronization
2591                         matcherIn = preFilter && ( seed || !selector ) ?
2592                                 condense( elems, preMap, preFilter, context, xml ) :
2593                                 elems,
2594
2595                         matcherOut = matcher ?
2596                                 // If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
2597                                 postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
2598
2599                                         // ...intermediate processing is necessary
2600                                         [] :
2601
2602                                         // ...otherwise use results directly
2603                                         results :
2604                                 matcherIn;
2605
2606                 // Find primary matches
2607                 if ( matcher ) {
2608                         matcher( matcherIn, matcherOut, context, xml );
2609                 }
2610
2611                 // Apply postFilter
2612                 if ( postFilter ) {
2613                         temp = condense( matcherOut, postMap );
2614                         postFilter( temp, [], context, xml );
2615
2616                         // Un-match failing elements by moving them back to matcherIn
2617                         i = temp.length;
2618                         while ( i-- ) {
2619                                 if ( (elem = temp[i]) ) {
2620                                         matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
2621                                 }
2622                         }
2623                 }
2624
2625                 if ( seed ) {
2626                         if ( postFinder || preFilter ) {
2627                                 if ( postFinder ) {
2628                                         // Get the final matcherOut by condensing this intermediate into postFinder contexts
2629                                         temp = [];
2630                                         i = matcherOut.length;
2631                                         while ( i-- ) {
2632                                                 if ( (elem = matcherOut[i]) ) {
2633                                                         // Restore matcherIn since elem is not yet a final match
2634                                                         temp.push( (matcherIn[i] = elem) );
2635                                                 }
2636                                         }
2637                                         postFinder( null, (matcherOut = []), temp, xml );
2638                                 }
2639
2640                                 // Move matched elements from seed to results to keep them synchronized
2641                                 i = matcherOut.length;
2642                                 while ( i-- ) {
2643                                         if ( (elem = matcherOut[i]) &&
2644                                                 (temp = postFinder ? indexOf.call( seed, elem ) : preMap[i]) > -1 ) {
2645
2646                                                 seed[temp] = !(results[temp] = elem);
2647                                         }
2648                                 }
2649                         }
2650
2651                 // Add elements to results, through postFinder if defined
2652                 } else {
2653                         matcherOut = condense(
2654                                 matcherOut === results ?
2655                                         matcherOut.splice( preexisting, matcherOut.length ) :
2656                                         matcherOut
2657                         );
2658                         if ( postFinder ) {
2659                                 postFinder( null, results, matcherOut, xml );
2660                         } else {
2661                                 push.apply( results, matcherOut );
2662                         }
2663                 }
2664         });
2665 }
2666
2667 function matcherFromTokens( tokens ) {
2668         var checkContext, matcher, j,
2669                 len = tokens.length,
2670                 leadingRelative = Expr.relative[ tokens[0].type ],
2671                 implicitRelative = leadingRelative || Expr.relative[" "],
2672                 i = leadingRelative ? 1 : 0,
2673
2674                 // The foundational matcher ensures that elements are reachable from top-level context(s)
2675                 matchContext = addCombinator( function( elem ) {
2676                         return elem === checkContext;
2677                 }, implicitRelative, true ),
2678                 matchAnyContext = addCombinator( function( elem ) {
2679                         return indexOf.call( checkContext, elem ) > -1;
2680                 }, implicitRelative, true ),
2681                 matchers = [ function( elem, context, xml ) {
2682                         return ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
2683                                 (checkContext = context).nodeType ?
2684                                         matchContext( elem, context, xml ) :
2685                                         matchAnyContext( elem, context, xml ) );
2686                 } ];
2687
2688         for ( ; i < len; i++ ) {
2689                 if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
2690                         matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
2691                 } else {
2692                         matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
2693
2694                         // Return special upon seeing a positional matcher
2695                         if ( matcher[ expando ] ) {
2696                                 // Find the next relative operator (if any) for proper handling
2697                                 j = ++i;
2698                                 for ( ; j < len; j++ ) {
2699                                         if ( Expr.relative[ tokens[j].type ] ) {
2700                                                 break;
2701                                         }
2702                                 }
2703                                 return setMatcher(
2704                                         i > 1 && elementMatcher( matchers ),
2705                                         i > 1 && toSelector(
2706                                                 // If the preceding token was a descendant combinator, insert an implicit any-element `*`
2707                                                 tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
2708                                         ).replace( rtrim, "$1" ),
2709                                         matcher,
2710                                         i < j && matcherFromTokens( tokens.slice( i, j ) ),
2711                                         j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
2712                                         j < len && toSelector( tokens )
2713                                 );
2714                         }
2715                         matchers.push( matcher );
2716                 }
2717         }
2718
2719         return elementMatcher( matchers );
2720 }
2721
2722 function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
2723         // A counter to specify which element is currently being matched
2724         var matcherCachedRuns = 0,
2725                 bySet = setMatchers.length > 0,
2726                 byElement = elementMatchers.length > 0,
2727                 superMatcher = function( seed, context, xml, results, expandContext ) {
2728                         var elem, j, matcher,
2729                                 setMatched = [],
2730                                 matchedCount = 0,
2731                                 i = "0",
2732                                 unmatched = seed && [],
2733                                 outermost = expandContext != null,
2734                                 contextBackup = outermostContext,
2735                                 // We must always have either seed elements or context
2736                                 elems = seed || byElement && Expr.find["TAG"]( "*", expandContext && context.parentNode || context ),
2737                                 // Use integer dirruns iff this is the outermost matcher
2738                                 dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1);
2739
2740                         if ( outermost ) {
2741                                 outermostContext = context !== document && context;
2742                                 cachedruns = matcherCachedRuns;
2743                         }
2744
2745                         // Add elements passing elementMatchers directly to results
2746                         // Keep `i` a string if there are no elements so `matchedCount` will be "00" below
2747                         for ( ; (elem = elems[i]) != null; i++ ) {
2748                                 if ( byElement && elem ) {
2749                                         j = 0;
2750                                         while ( (matcher = elementMatchers[j++]) ) {
2751                                                 if ( matcher( elem, context, xml ) ) {
2752                                                         results.push( elem );
2753                                                         break;
2754                                                 }
2755                                         }
2756                                         if ( outermost ) {
2757                                                 dirruns = dirrunsUnique;
2758                                                 cachedruns = ++matcherCachedRuns;
2759                                         }
2760                                 }
2761
2762                                 // Track unmatched elements for set filters
2763                                 if ( bySet ) {
2764                                         // They will have gone through all possible matchers
2765                                         if ( (elem = !matcher && elem) ) {
2766                                                 matchedCount--;
2767                                         }
2768
2769                                         // Lengthen the array for every element, matched or not
2770                                         if ( seed ) {
2771                                                 unmatched.push( elem );
2772                                         }
2773                                 }
2774                         }
2775
2776                         // Apply set filters to unmatched elements
2777                         matchedCount += i;
2778                         if ( bySet && i !== matchedCount ) {
2779                                 j = 0;
2780                                 while ( (matcher = setMatchers[j++]) ) {
2781                                         matcher( unmatched, setMatched, context, xml );
2782                                 }
2783
2784                                 if ( seed ) {
2785                                         // Reintegrate element matches to eliminate the need for sorting
2786                                         if ( matchedCount > 0 ) {
2787                                                 while ( i-- ) {
2788                                                         if ( !(unmatched[i] || setMatched[i]) ) {
2789                                                                 setMatched[i] = pop.call( results );
2790                                                         }
2791                                                 }
2792                                         }
2793
2794                                         // Discard index placeholder values to get only actual matches
2795                                         setMatched = condense( setMatched );
2796                                 }
2797
2798                                 // Add matches to results
2799                                 push.apply( results, setMatched );
2800
2801                                 // Seedless set matches succeeding multiple successful matchers stipulate sorting
2802                                 if ( outermost && !seed && setMatched.length > 0 &&
2803                                         ( matchedCount + setMatchers.length ) > 1 ) {
2804
2805                                         Sizzle.uniqueSort( results );
2806                                 }
2807                         }
2808
2809                         // Override manipulation of globals by nested matchers
2810                         if ( outermost ) {
2811                                 dirruns = dirrunsUnique;
2812                                 outermostContext = contextBackup;
2813                         }
2814
2815                         return unmatched;
2816                 };
2817
2818         return bySet ?
2819                 markFunction( superMatcher ) :
2820                 superMatcher;
2821 }
2822
2823 compile = Sizzle.compile = function( selector, group /* Internal Use Only */ ) {
2824         var i,
2825                 setMatchers = [],
2826                 elementMatchers = [],
2827                 cached = compilerCache[ selector + " " ];
2828
2829         if ( !cached ) {
2830                 // Generate a function of recursive functions that can be used to check each element
2831                 if ( !group ) {
2832                         group = tokenize( selector );
2833                 }
2834                 i = group.length;
2835                 while ( i-- ) {
2836                         cached = matcherFromTokens( group[i] );
2837                         if ( cached[ expando ] ) {
2838                                 setMatchers.push( cached );
2839                         } else {
2840                                 elementMatchers.push( cached );
2841                         }
2842                 }
2843
2844                 // Cache the compiled function
2845                 cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
2846         }
2847         return cached;
2848 };
2849
2850 function multipleContexts( selector, contexts, results ) {
2851         var i = 0,
2852                 len = contexts.length;
2853         for ( ; i < len; i++ ) {
2854                 Sizzle( selector, contexts[i], results );
2855         }
2856         return results;
2857 }
2858
2859 function select( selector, context, results, seed ) {
2860         var i, tokens, token, type, find,
2861                 match = tokenize( selector );
2862
2863         if ( !seed ) {
2864                 // Try to minimize operations if there is only one group
2865                 if ( match.length === 1 ) {
2866
2867                         // Take a shortcut and set the context if the root selector is an ID
2868                         tokens = match[0] = match[0].slice( 0 );
2869                         if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
2870                                         support.getById && context.nodeType === 9 && documentIsHTML &&
2871                                         Expr.relative[ tokens[1].type ] ) {
2872
2873                                 context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
2874                                 if ( !context ) {
2875                                         return results;
2876                                 }
2877                                 selector = selector.slice( tokens.shift().value.length );
2878                         }
2879
2880                         // Fetch a seed set for right-to-left matching
2881                         i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
2882                         while ( i-- ) {
2883                                 token = tokens[i];
2884
2885                                 // Abort if we hit a combinator
2886                                 if ( Expr.relative[ (type = token.type) ] ) {
2887                                         break;
2888                                 }
2889                                 if ( (find = Expr.find[ type ]) ) {
2890                                         // Search, expanding context for leading sibling combinators
2891                                         if ( (seed = find(
2892                                                 token.matches[0].replace( runescape, funescape ),
2893                                                 rsibling.test( tokens[0].type ) && context.parentNode || context
2894                                         )) ) {
2895
2896                                                 // If seed is empty or no tokens remain, we can return early
2897                                                 tokens.splice( i, 1 );
2898                                                 selector = seed.length && toSelector( tokens );
2899                                                 if ( !selector ) {
2900                                                         push.apply( results, seed );
2901                                                         return results;
2902                                                 }
2903
2904                                                 break;
2905                                         }
2906                                 }
2907                         }
2908                 }
2909         }
2910
2911         // Compile and execute a filtering function
2912         // Provide `match` to avoid retokenization if we modified the selector above
2913         compile( selector, match )(
2914                 seed,
2915                 context,
2916                 !documentIsHTML,
2917                 results,
2918                 rsibling.test( selector )
2919         );
2920         return results;
2921 }
2922
2923 // One-time assignments
2924
2925 // Sort stability
2926 support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
2927
2928 // Support: Chrome<14
2929 // Always assume duplicates if they aren't passed to the comparison function
2930 support.detectDuplicates = hasDuplicate;
2931
2932 // Initialize against the default document
2933 setDocument();
2934
2935 // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
2936 // Detached nodes confoundingly follow *each other*
2937 support.sortDetached = assert(function( div1 ) {
2938         // Should return 1, but returns 4 (following)
2939         return div1.compareDocumentPosition( document.createElement("div") ) & 1;
2940 });
2941
2942 // Support: IE<8
2943 // Prevent attribute/property "interpolation"
2944 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
2945 if ( !assert(function( div ) {
2946         div.innerHTML = "<a href='#'></a>";
2947         return div.firstChild.getAttribute("href") === "#" ;
2948 }) ) {
2949         addHandle( "type|href|height|width", function( elem, name, isXML ) {
2950                 if ( !isXML ) {
2951                         return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
2952                 }
2953         });
2954 }
2955
2956 // Support: IE<9
2957 // Use defaultValue in place of getAttribute("value")
2958 if ( !support.attributes || !assert(function( div ) {
2959         div.innerHTML = "<input/>";
2960         div.firstChild.setAttribute( "value", "" );
2961         return div.firstChild.getAttribute( "value" ) === "";
2962 }) ) {
2963         addHandle( "value", function( elem, name, isXML ) {
2964                 if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
2965                         return elem.defaultValue;
2966                 }
2967         });
2968 }
2969
2970 // Support: IE<9
2971 // Use getAttributeNode to fetch booleans when getAttribute lies
2972 if ( !assert(function( div ) {
2973         return div.getAttribute("disabled") == null;
2974 }) ) {
2975         addHandle( booleans, function( elem, name, isXML ) {
2976                 var val;
2977                 if ( !isXML ) {
2978                         return (val = elem.getAttributeNode( name )) && val.specified ?
2979                                 val.value :
2980                                 elem[ name ] === true ? name.toLowerCase() : null;
2981                 }
2982         });
2983 }
2984
2985 jQuery.find = Sizzle;
2986 jQuery.expr = Sizzle.selectors;
2987 jQuery.expr[":"] = jQuery.expr.pseudos;
2988 jQuery.unique = Sizzle.uniqueSort;
2989 jQuery.text = Sizzle.getText;
2990 jQuery.isXMLDoc = Sizzle.isXML;
2991 jQuery.contains = Sizzle.contains;
2992
2993
2994 })( window );
2995 // String to Object options format cache
2996 var optionsCache = {};
2997
2998 // Convert String-formatted options into Object-formatted ones and store in cache
2999 function createOptions( options ) {
3000         var object = optionsCache[ options ] = {};
3001         jQuery.each( options.match( core_rnotwhite ) || [], function( _, flag ) {
3002                 object[ flag ] = true;
3003         });
3004         return object;
3005 }
3006
3007 /*
3008  * Create a callback list using the following parameters:
3009  *
3010  *      options: an optional list of space-separated options that will change how
3011  *                      the callback list behaves or a more traditional option object
3012  *
3013  * By default a callback list will act like an event callback list and can be
3014  * "fired" multiple times.
3015  *
3016  * Possible options:
3017  *
3018  *      once:                   will ensure the callback list can only be fired once (like a Deferred)
3019  *
3020  *      memory:                 will keep track of previous values and will call any callback added
3021  *                                      after the list has been fired right away with the latest "memorized"
3022  *                                      values (like a Deferred)
3023  *
3024  *      unique:                 will ensure a callback can only be added once (no duplicate in the list)
3025  *
3026  *      stopOnFalse:    interrupt callings when a callback returns false
3027  *
3028  */
3029 jQuery.Callbacks = function( options ) {
3030
3031         // Convert options from String-formatted to Object-formatted if needed
3032         // (we check in cache first)
3033         options = typeof options === "string" ?
3034                 ( optionsCache[ options ] || createOptions( options ) ) :
3035                 jQuery.extend( {}, options );
3036
3037         var // Flag to know if list is currently firing
3038                 firing,
3039                 // Last fire value (for non-forgettable lists)
3040                 memory,
3041                 // Flag to know if list was already fired
3042                 fired,
3043                 // End of the loop when firing
3044                 firingLength,
3045                 // Index of currently firing callback (modified by remove if needed)
3046                 firingIndex,
3047                 // First callback to fire (used internally by add and fireWith)
3048                 firingStart,
3049                 // Actual callback list
3050                 list = [],
3051                 // Stack of fire calls for repeatable lists
3052                 stack = !options.once && [],
3053                 // Fire callbacks
3054                 fire = function( data ) {
3055                         memory = options.memory && data;
3056                         fired = true;
3057                         firingIndex = firingStart || 0;
3058                         firingStart = 0;
3059                         firingLength = list.length;
3060                         firing = true;
3061                         for ( ; list && firingIndex < firingLength; firingIndex++ ) {
3062                                 if ( list[ firingIndex ].apply( data[ 0 ], data[ 1 ] ) === false && options.stopOnFalse ) {
3063                                         memory = false; // To prevent further calls using add
3064                                         break;
3065                                 }
3066                         }
3067                         firing = false;
3068                         if ( list ) {
3069                                 if ( stack ) {
3070                                         if ( stack.length ) {
3071                                                 fire( stack.shift() );
3072                                         }
3073                                 } else if ( memory ) {
3074                                         list = [];
3075                                 } else {
3076                                         self.disable();
3077                                 }
3078                         }
3079                 },
3080                 // Actual Callbacks object
3081                 self = {
3082                         // Add a callback or a collection of callbacks to the list
3083                         add: function() {
3084                                 if ( list ) {
3085                                         // First, we save the current length
3086                                         var start = list.length;
3087                                         (function add( args ) {
3088                                                 jQuery.each( args, function( _, arg ) {
3089                                                         var type = jQuery.type( arg );
3090                                                         if ( type === "function" ) {
3091                                                                 if ( !options.unique || !self.has( arg ) ) {
3092                                                                         list.push( arg );
3093                                                                 }
3094                                                         } else if ( arg && arg.length && type !== "string" ) {
3095                                                                 // Inspect recursively
3096                                                                 add( arg );
3097                                                         }
3098                                                 });
3099                                         })( arguments );
3100                                         // Do we need to add the callbacks to the
3101                                         // current firing batch?
3102                                         if ( firing ) {
3103                                                 firingLength = list.length;
3104                                         // With memory, if we're not firing then
3105                                         // we should call right away
3106                                         } else if ( memory ) {
3107                                                 firingStart = start;
3108                                                 fire( memory );
3109                                         }
3110                                 }
3111                                 return this;
3112                         },
3113                         // Remove a callback from the list
3114                         remove: function() {
3115                                 if ( list ) {
3116                                         jQuery.each( arguments, function( _, arg ) {
3117                                                 var index;
3118                                                 while( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
3119                                                         list.splice( index, 1 );
3120                                                         // Handle firing indexes
3121                                                         if ( firing ) {
3122                                                                 if ( index <= firingLength ) {
3123                                                                         firingLength--;
3124                                                                 }
3125                                                                 if ( index <= firingIndex ) {
3126                                                                         firingIndex--;
3127                                                                 }
3128                                                         }
3129                                                 }
3130                                         });
3131                                 }
3132                                 return this;
3133                         },
3134                         // Check if a given callback is in the list.
3135                         // If no argument is given, return whether or not list has callbacks attached.
3136                         has: function( fn ) {
3137                                 return fn ? jQuery.inArray( fn, list ) > -1 : !!( list && list.length );
3138                         },
3139                         // Remove all callbacks from the list
3140                         empty: function() {
3141                                 list = [];
3142                                 firingLength = 0;
3143                                 return this;
3144                         },
3145                         // Have the list do nothing anymore
3146                         disable: function() {
3147                                 list = stack = memory = undefined;
3148                                 return this;
3149                         },
3150                         // Is it disabled?
3151                         disabled: function() {
3152                                 return !list;
3153                         },
3154                         // Lock the list in its current state
3155                         lock: function() {
3156                                 stack = undefined;
3157                                 if ( !memory ) {
3158                                         self.disable();
3159                                 }
3160                                 return this;
3161                         },
3162                         // Is it locked?
3163                         locked: function() {
3164                                 return !stack;
3165                         },
3166                         // Call all callbacks with the given context and arguments
3167                         fireWith: function( context, args ) {
3168                                 if ( list && ( !fired || stack ) ) {
3169                                         args = args || [];
3170                                         args = [ context, args.slice ? args.slice() : args ];
3171                                         if ( firing ) {
3172                                                 stack.push( args );
3173                                         } else {
3174                                                 fire( args );
3175                                         }
3176                                 }
3177                                 return this;
3178                         },
3179                         // Call all the callbacks with the given arguments
3180                         fire: function() {
3181                                 self.fireWith( this, arguments );
3182                                 return this;
3183                         },
3184                         // To know if the callbacks have already been called at least once
3185                         fired: function() {
3186                                 return !!fired;
3187                         }
3188                 };
3189
3190         return self;
3191 };
3192 jQuery.extend({
3193
3194         Deferred: function( func ) {
3195                 var tuples = [
3196                                 // action, add listener, listener list, final state
3197                                 [ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ],
3198                                 [ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ],
3199                                 [ "notify", "progress", jQuery.Callbacks("memory") ]
3200                         ],
3201                         state = "pending",
3202                         promise = {
3203                                 state: function() {
3204                                         return state;
3205                                 },
3206                                 always: function() {
3207                                         deferred.done( arguments ).fail( arguments );
3208                                         return this;
3209                                 },
3210                                 then: function( /* fnDone, fnFail, fnProgress */ ) {
3211                                         var fns = arguments;
3212                                         return jQuery.Deferred(function( newDefer ) {
3213                                                 jQuery.each( tuples, function( i, tuple ) {
3214                                                         var action = tuple[ 0 ],
3215                                                                 fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
3216                                                         // deferred[ done | fail | progress ] for forwarding actions to newDefer
3217                                                         deferred[ tuple[1] ](function() {
3218                                                                 var returned = fn && fn.apply( this, arguments );
3219                                                                 if ( returned && jQuery.isFunction( returned.promise ) ) {
3220                                                                         returned.promise()
3221                                                                                 .done( newDefer.resolve )
3222                                                                                 .fail( newDefer.reject )
3223                                                                                 .progress( newDefer.notify );
3224                                                                 } else {
3225                                                                         newDefer[ action + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments );
3226                                                                 }
3227                                                         });
3228                                                 });
3229                                                 fns = null;
3230                                         }).promise();
3231                                 },
3232                                 // Get a promise for this deferred
3233                                 // If obj is provided, the promise aspect is added to the object
3234                                 promise: function( obj ) {
3235                                         return obj != null ? jQuery.extend( obj, promise ) : promise;
3236                                 }
3237                         },
3238                         deferred = {};
3239
3240                 // Keep pipe for back-compat
3241                 promise.pipe = promise.then;
3242
3243                 // Add list-specific methods
3244                 jQuery.each( tuples, function( i, tuple ) {
3245                         var list = tuple[ 2 ],
3246                                 stateString = tuple[ 3 ];
3247
3248                         // promise[ done | fail | progress ] = list.add
3249                         promise[ tuple[1] ] = list.add;
3250
3251                         // Handle state
3252                         if ( stateString ) {
3253                                 list.add(function() {
3254                                         // state = [ resolved | rejected ]
3255                                         state = stateString;
3256
3257                                 // [ reject_list | resolve_list ].disable; progress_list.lock
3258                                 }, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock );
3259                         }
3260
3261                         // deferred[ resolve | reject | notify ]
3262                         deferred[ tuple[0] ] = function() {
3263                                 deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments );
3264                                 return this;
3265                         };
3266                         deferred[ tuple[0] + "With" ] = list.fireWith;
3267                 });
3268
3269                 // Make the deferred a promise
3270                 promise.promise( deferred );
3271
3272                 // Call given func if any
3273                 if ( func ) {
3274                         func.call( deferred, deferred );
3275                 }
3276
3277                 // All done!
3278                 return deferred;
3279         },
3280
3281         // Deferred helper
3282         when: function( subordinate /* , ..., subordinateN */ ) {
3283                 var i = 0,
3284                         resolveValues = core_slice.call( arguments ),
3285                         length = resolveValues.length,
3286
3287                         // the count of uncompleted subordinates
3288                         remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0,
3289
3290                         // the master Deferred. If resolveValues consist of only a single Deferred, just use that.
3291                         deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
3292
3293                         // Update function for both resolve and progress values
3294                         updateFunc = function( i, contexts, values ) {
3295                                 return function( value ) {
3296                                         contexts[ i ] = this;
3297                                         values[ i ] = arguments.length > 1 ? core_slice.call( arguments ) : value;
3298                                         if( values === progressValues ) {
3299                                                 deferred.notifyWith( contexts, values );
3300                                         } else if ( !( --remaining ) ) {
3301                                                 deferred.resolveWith( contexts, values );
3302                                         }
3303                                 };
3304                         },
3305
3306                         progressValues, progressContexts, resolveContexts;
3307
3308                 // add listeners to Deferred subordinates; treat others as resolved
3309                 if ( length > 1 ) {
3310                         progressValues = new Array( length );
3311                         progressContexts = new Array( length );
3312                         resolveContexts = new Array( length );
3313                         for ( ; i < length; i++ ) {
3314                                 if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
3315                                         resolveValues[ i ].promise()
3316                                                 .done( updateFunc( i, resolveContexts, resolveValues ) )
3317                                                 .fail( deferred.reject )
3318                                                 .progress( updateFunc( i, progressContexts, progressValues ) );
3319                                 } else {
3320                                         --remaining;
3321                                 }
3322                         }
3323                 }
3324
3325                 // if we're not waiting on anything, resolve the master
3326                 if ( !remaining ) {
3327                         deferred.resolveWith( resolveContexts, resolveValues );
3328                 }
3329
3330                 return deferred.promise();
3331         }
3332 });
3333 jQuery.support = (function( support ) {
3334
3335         var all, a, input, select, fragment, opt, eventName, isSupported, i,
3336                 div = document.createElement("div");
3337
3338         // Setup
3339         div.setAttribute( "className", "t" );
3340         div.innerHTML = "  <link/><table></table><a href='/a'>a</a><input type='checkbox'/>";
3341
3342         // Finish early in limited (non-browser) environments
3343         all = div.getElementsByTagName("*") || [];
3344         a = div.getElementsByTagName("a")[ 0 ];
3345         if ( !a || !a.style || !all.length ) {
3346                 return support;
3347         }
3348
3349         // First batch of tests
3350         select = document.createElement("select");
3351         opt = select.appendChild( document.createElement("option") );
3352         input = div.getElementsByTagName("input")[ 0 ];
3353
3354         a.style.cssText = "top:1px;float:left;opacity:.5";
3355
3356         // Test setAttribute on camelCase class. If it works, we need attrFixes when doing get/setAttribute (ie6/7)
3357         support.getSetAttribute = div.className !== "t";
3358
3359         // IE strips leading whitespace when .innerHTML is used
3360         support.leadingWhitespace = div.firstChild.nodeType === 3;
3361
3362         // Make sure that tbody elements aren't automatically inserted
3363         // IE will insert them into empty tables
3364         support.tbody = !div.getElementsByTagName("tbody").length;
3365
3366         // Make sure that link elements get serialized correctly by innerHTML
3367         // This requires a wrapper element in IE
3368         support.htmlSerialize = !!div.getElementsByTagName("link").length;
3369
3370         // Get the style information from getAttribute
3371         // (IE uses .cssText instead)
3372         support.style = /top/.test( a.getAttribute("style") );
3373
3374         // Make sure that URLs aren't manipulated
3375         // (IE normalizes it by default)
3376         support.hrefNormalized = a.getAttribute("href") === "/a";
3377
3378         // Make sure that element opacity exists
3379         // (IE uses filter instead)
3380         // Use a regex to work around a WebKit issue. See #5145
3381         support.opacity = /^0.5/.test( a.style.opacity );
3382
3383         // Verify style float existence
3384         // (IE uses styleFloat instead of cssFloat)
3385         support.cssFloat = !!a.style.cssFloat;
3386
3387         // Check the default checkbox/radio value ("" on WebKit; "on" elsewhere)
3388         support.checkOn = !!input.value;
3389
3390         // Make sure that a selected-by-default option has a working selected property.
3391         // (WebKit defaults to false instead of true, IE too, if it's in an optgroup)
3392         support.optSelected = opt.selected;
3393
3394         // Tests for enctype support on a form (#6743)
3395         support.enctype = !!document.createElement("form").enctype;
3396
3397         // Makes sure cloning an html5 element does not cause problems
3398         // Where outerHTML is undefined, this still works
3399         support.html5Clone = document.createElement("nav").cloneNode( true ).outerHTML !== "<:nav></:nav>";
3400
3401         // Will be defined later
3402         support.inlineBlockNeedsLayout = false;
3403         support.shrinkWrapBlocks = false;
3404         support.pixelPosition = false;
3405         support.deleteExpando = true;
3406         support.noCloneEvent = true;
3407         support.reliableMarginRight = true;
3408         support.boxSizingReliable = true;
3409
3410         // Make sure checked status is properly cloned
3411         input.checked = true;
3412         support.noCloneChecked = input.cloneNode( true ).checked;
3413
3414         // Make sure that the options inside disabled selects aren't marked as disabled
3415         // (WebKit marks them as disabled)
3416         select.disabled = true;
3417         support.optDisabled = !opt.disabled;
3418
3419         // Support: IE<9
3420         try {
3421                 delete div.test;
3422         } catch( e ) {
3423                 support.deleteExpando = false;
3424         }
3425
3426         // Check if we can trust getAttribute("value")
3427         input = document.createElement("input");
3428         input.setAttribute( "value", "" );
3429         support.input = input.getAttribute( "value" ) === "";
3430
3431         // Check if an input maintains its value after becoming a radio
3432         input.value = "t";
3433         input.setAttribute( "type", "radio" );
3434         support.radioValue = input.value === "t";
3435
3436         // #11217 - WebKit loses check when the name is after the checked attribute
3437         input.setAttribute( "checked", "t" );
3438         input.setAttribute( "name", "t" );
3439
3440         fragment = document.createDocumentFragment();
3441         fragment.appendChild( input );
3442
3443         // Check if a disconnected checkbox will retain its checked
3444         // value of true after appended to the DOM (IE6/7)
3445         support.appendChecked = input.checked;
3446
3447         // WebKit doesn't clone checked state correctly in fragments
3448         support.checkClone = fragment.cloneNode( true ).cloneNode( true ).lastChild.checked;
3449
3450         // Support: IE<9
3451         // Opera does not clone events (and typeof div.attachEvent === undefined).
3452         // IE9-10 clones events bound via attachEvent, but they don't trigger with .click()
3453         if ( div.attachEvent ) {
3454                 div.attachEvent( "onclick", function() {
3455                         support.noCloneEvent = false;
3456                 });
3457
3458                 div.cloneNode( true ).click();
3459         }
3460
3461         // Support: IE<9 (lack submit/change bubble), Firefox 17+ (lack focusin event)
3462         // Beware of CSP restrictions (https://developer.mozilla.org/en/Security/CSP)
3463         for ( i in { submit: true, change: true, focusin: true }) {
3464                 div.setAttribute( eventName = "on" + i, "t" );
3465
3466                 support[ i + "Bubbles" ] = eventName in window || div.attributes[ eventName ].expando === false;
3467         }
3468
3469         div.style.backgroundClip = "content-box";
3470         div.cloneNode( true ).style.backgroundClip = "";
3471         support.clearCloneStyle = div.style.backgroundClip === "content-box";
3472
3473         // Support: IE<9
3474         // Iteration over object's inherited properties before its own.
3475         for ( i in jQuery( support ) ) {
3476                 break;
3477         }
3478         support.ownLast = i !== "0";
3479
3480         // Run tests that need a body at doc ready
3481         jQuery(function() {
3482                 var container, marginDiv, tds,
3483                         divReset = "padding:0;margin:0;border:0;display:block;box-sizing:content-box;-moz-box-sizing:content-box;-webkit-box-sizing:content-box;",
3484                         body = document.getElementsByTagName("body")[0];
3485
3486                 if ( !body ) {
3487                         // Return for frameset docs that don't have a body
3488                         return;
3489                 }
3490
3491                 container = document.createElement("div");
3492                 container.style.cssText = "border:0;width:0;height:0;position:absolute;top:0;left:-9999px;margin-top:1px";
3493
3494                 body.appendChild( container ).appendChild( div );
3495
3496                 // Support: IE8
3497                 // Check if table cells still have offsetWidth/Height when they are set
3498                 // to display:none and there are still other visible table cells in a
3499                 // table row; if so, offsetWidth/Height are not reliable for use when
3500                 // determining if an element has been hidden directly using
3501                 // display:none (it is still safe to use offsets if a parent element is
3502                 // hidden; don safety goggles and see bug #4512 for more information).
3503                 div.innerHTML = "<table><tr><td></td><td>t</td></tr></table>";
3504                 tds = div.getElementsByTagName("td");
3505                 tds[ 0 ].style.cssText = "padding:0;margin:0;border:0;display:none";
3506                 isSupported = ( tds[ 0 ].offsetHeight === 0 );
3507
3508                 tds[ 0 ].style.display = "";
3509                 tds[ 1 ].style.display = "none";
3510
3511                 // Support: IE8
3512                 // Check if empty table cells still have offsetWidth/Height
3513                 support.reliableHiddenOffsets = isSupported && ( tds[ 0 ].offsetHeight === 0 );
3514
3515                 // Check box-sizing and margin behavior.
3516                 div.innerHTML = "";
3517                 div.style.cssText = "box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;padding:1px;border:1px;display:block;width:4px;margin-top:1%;position:absolute;top:1%;";
3518
3519                 // Workaround failing boxSizing test due to offsetWidth returning wrong value
3520                 // with some non-1 values of body zoom, ticket #13543
3521                 jQuery.swap( body, body.style.zoom != null ? { zoom: 1 } : {}, function() {
3522                         support.boxSizing = div.offsetWidth === 4;
3523                 });
3524
3525                 // Use window.getComputedStyle because jsdom on node.js will break without it.
3526                 if ( window.getComputedStyle ) {
3527                         support.pixelPosition = ( window.getComputedStyle( div, null ) || {} ).top !== "1%";
3528                         support.boxSizingReliable = ( window.getComputedStyle( div, null ) || { width: "4px" } ).width === "4px";
3529
3530                         // Check if div with explicit width and no margin-right incorrectly
3531                         // gets computed margin-right based on width of container. (#3333)
3532                         // Fails in WebKit before Feb 2011 nightlies
3533                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
3534                         marginDiv = div.appendChild( document.createElement("div") );
3535                         marginDiv.style.cssText = div.style.cssText = divReset;
3536                         marginDiv.style.marginRight = marginDiv.style.width = "0";
3537                         div.style.width = "1px";
3538
3539                         support.reliableMarginRight =
3540                                 !parseFloat( ( window.getComputedStyle( marginDiv, null ) || {} ).marginRight );
3541                 }
3542
3543                 if ( typeof div.style.zoom !== core_strundefined ) {
3544                         // Support: IE<8
3545                         // Check if natively block-level elements act like inline-block
3546                         // elements when setting their display to 'inline' and giving
3547                         // them layout
3548                         div.innerHTML = "";
3549                         div.style.cssText = divReset + "width:1px;padding:1px;display:inline;zoom:1";
3550                         support.inlineBlockNeedsLayout = ( div.offsetWidth === 3 );
3551
3552                         // Support: IE6
3553                         // Check if elements with layout shrink-wrap their children
3554                         div.style.display = "block";
3555                         div.innerHTML = "<div></div>";
3556                         div.firstChild.style.width = "5px";
3557                         support.shrinkWrapBlocks = ( div.offsetWidth !== 3 );
3558
3559                         if ( support.inlineBlockNeedsLayout ) {
3560                                 // Prevent IE 6 from affecting layout for positioned elements #11048
3561                                 // Prevent IE from shrinking the body in IE 7 mode #12869
3562                                 // Support: IE<8
3563                                 body.style.zoom = 1;
3564                         }
3565                 }
3566
3567                 body.removeChild( container );
3568
3569                 // Null elements to avoid leaks in IE
3570                 container = div = tds = marginDiv = null;
3571         });
3572
3573         // Null elements to avoid leaks in IE
3574         all = select = fragment = opt = a = input = null;
3575
3576         return support;
3577 })({});
3578
3579 var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
3580         rmultiDash = /([A-Z])/g;
3581
3582 function internalData( elem, name, data, pvt /* Internal Use Only */ ){
3583         if ( !jQuery.acceptData( elem ) ) {
3584                 return;
3585         }
3586
3587         var ret, thisCache,
3588                 internalKey = jQuery.expando,
3589
3590                 // We have to handle DOM nodes and JS objects differently because IE6-7
3591                 // can't GC object references properly across the DOM-JS boundary
3592                 isNode = elem.nodeType,
3593
3594                 // Only DOM nodes need the global jQuery cache; JS object data is
3595                 // attached directly to the object so GC can occur automatically
3596                 cache = isNode ? jQuery.cache : elem,
3597
3598                 // Only defining an ID for JS objects if its cache already exists allows
3599                 // the code to shortcut on the same path as a DOM node with no cache
3600                 id = isNode ? elem[ internalKey ] : elem[ internalKey ] && internalKey;
3601
3602         // Avoid doing any more work than we need to when trying to get data on an
3603         // object that has no data at all
3604         if ( (!id || !cache[id] || (!pvt && !cache[id].data)) && data === undefined && typeof name === "string" ) {
3605                 return;
3606         }
3607
3608         if ( !id ) {
3609                 // Only DOM nodes need a new unique ID for each element since their data
3610                 // ends up in the global cache
3611                 if ( isNode ) {
3612                         id = elem[ internalKey ] = core_deletedIds.pop() || jQuery.guid++;
3613                 } else {
3614                         id = internalKey;
3615                 }
3616         }
3617
3618         if ( !cache[ id ] ) {
3619                 // Avoid exposing jQuery metadata on plain JS objects when the object
3620                 // is serialized using JSON.stringify
3621                 cache[ id ] = isNode ? {} : { toJSON: jQuery.noop };
3622         }
3623
3624         // An object can be passed to jQuery.data instead of a key/value pair; this gets
3625         // shallow copied over onto the existing cache
3626         if ( typeof name === "object" || typeof name === "function" ) {
3627                 if ( pvt ) {
3628                         cache[ id ] = jQuery.extend( cache[ id ], name );
3629                 } else {
3630                         cache[ id ].data = jQuery.extend( cache[ id ].data, name );
3631                 }
3632         }
3633
3634         thisCache = cache[ id ];
3635
3636         // jQuery data() is stored in a separate object inside the object's internal data
3637         // cache in order to avoid key collisions between internal data and user-defined
3638         // data.
3639         if ( !pvt ) {
3640                 if ( !thisCache.data ) {
3641                         thisCache.data = {};
3642                 }
3643
3644                 thisCache = thisCache.data;
3645         }
3646
3647         if ( data !== undefined ) {
3648                 thisCache[ jQuery.camelCase( name ) ] = data;
3649         }
3650
3651         // Check for both converted-to-camel and non-converted data property names
3652         // If a data property was specified
3653         if ( typeof name === "string" ) {
3654
3655                 // First Try to find as-is property data
3656                 ret = thisCache[ name ];
3657
3658                 // Test for null|undefined property data
3659                 if ( ret == null ) {
3660
3661                         // Try to find the camelCased property
3662                         ret = thisCache[ jQuery.camelCase( name ) ];
3663                 }
3664         } else {
3665                 ret = thisCache;
3666         }
3667
3668         return ret;
3669 }
3670
3671 function internalRemoveData( elem, name, pvt ) {
3672         if ( !jQuery.acceptData( elem ) ) {
3673                 return;
3674         }
3675
3676         var thisCache, i,
3677                 isNode = elem.nodeType,
3678
3679                 // See jQuery.data for more information
3680                 cache = isNode ? jQuery.cache : elem,
3681                 id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
3682
3683         // If there is already no cache entry for this object, there is no
3684         // purpose in continuing
3685         if ( !cache[ id ] ) {
3686                 return;
3687         }
3688
3689         if ( name ) {
3690
3691                 thisCache = pvt ? cache[ id ] : cache[ id ].data;
3692
3693                 if ( thisCache ) {
3694
3695                         // Support array or space separated string names for data keys
3696                         if ( !jQuery.isArray( name ) ) {
3697
3698                                 // try the string as a key before any manipulation
3699                                 if ( name in thisCache ) {
3700                                         name = [ name ];
3701                                 } else {
3702
3703                                         // split the camel cased version by spaces unless a key with the spaces exists
3704                                         name = jQuery.camelCase( name );
3705                                         if ( name in thisCache ) {
3706                                                 name = [ name ];
3707                                         } else {
3708                                                 name = name.split(" ");
3709                                         }
3710                                 }
3711                         } else {
3712                                 // If "name" is an array of keys...
3713                                 // When data is initially created, via ("key", "val") signature,
3714                                 // keys will be converted to camelCase.
3715                                 // Since there is no way to tell _how_ a key was added, remove
3716                                 // both plain key and camelCase key. #12786
3717                                 // This will only penalize the array argument path.
3718                                 name = name.concat( jQuery.map( name, jQuery.camelCase ) );
3719                         }
3720
3721                         i = name.length;
3722                         while ( i-- ) {
3723                                 delete thisCache[ name[i] ];
3724                         }
3725
3726                         // If there is no data left in the cache, we want to continue
3727                         // and let the cache object itself get destroyed
3728                         if ( pvt ? !isEmptyDataObject(thisCache) : !jQuery.isEmptyObject(thisCache) ) {
3729                                 return;
3730                         }
3731                 }
3732         }
3733
3734         // See jQuery.data for more information
3735         if ( !pvt ) {
3736                 delete cache[ id ].data;
3737
3738                 // Don't destroy the parent cache unless the internal data object
3739                 // had been the only thing left in it
3740                 if ( !isEmptyDataObject( cache[ id ] ) ) {
3741                         return;
3742                 }
3743         }
3744
3745         // Destroy the cache
3746         if ( isNode ) {
3747                 jQuery.cleanData( [ elem ], true );
3748
3749         // Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
3750         /* jshint eqeqeq: false */
3751         } else if ( jQuery.support.deleteExpando || cache != cache.window ) {
3752                 /* jshint eqeqeq: true */
3753                 delete cache[ id ];
3754
3755         // When all else fails, null
3756         } else {
3757                 cache[ id ] = null;
3758         }
3759 }
3760
3761 jQuery.extend({
3762         cache: {},
3763
3764         // The following elements throw uncatchable exceptions if you
3765         // attempt to add expando properties to them.
3766         noData: {
3767                 "applet": true,
3768                 "embed": true,
3769                 // Ban all objects except for Flash (which handle expandos)
3770                 "object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"
3771         },
3772
3773         hasData: function( elem ) {
3774                 elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
3775                 return !!elem && !isEmptyDataObject( elem );
3776         },
3777
3778         data: function( elem, name, data ) {
3779                 return internalData( elem, name, data );
3780         },
3781
3782         removeData: function( elem, name ) {
3783                 return internalRemoveData( elem, name );
3784         },
3785
3786         // For internal use only.
3787         _data: function( elem, name, data ) {
3788                 return internalData( elem, name, data, true );
3789         },
3790
3791         _removeData: function( elem, name ) {
3792                 return internalRemoveData( elem, name, true );
3793         },
3794
3795         // A method for determining if a DOM node can handle the data expando
3796         acceptData: function( elem ) {
3797                 // Do not set data on non-element because it will not be cleared (#8335).
3798                 if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
3799                         return false;
3800                 }
3801
3802                 var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
3803
3804                 // nodes accept data unless otherwise specified; rejection can be conditional
3805                 return !noData || noData !== true && elem.getAttribute("classid") === noData;
3806         }
3807 });
3808
3809 jQuery.fn.extend({
3810         data: function( key, value ) {
3811                 var attrs, name,
3812                         data = null,
3813                         i = 0,
3814                         elem = this[0];
3815
3816                 // Special expections of .data basically thwart jQuery.access,
3817                 // so implement the relevant behavior ourselves
3818
3819                 // Gets all values
3820                 if ( key === undefined ) {
3821                         if ( this.length ) {
3822                                 data = jQuery.data( elem );
3823
3824                                 if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
3825                                         attrs = elem.attributes;
3826                                         for ( ; i < attrs.length; i++ ) {
3827                                                 name = attrs[i].name;
3828
3829                                                 if ( name.indexOf("data-") === 0 ) {
3830                                                         name = jQuery.camelCase( name.slice(5) );
3831
3832                                                         dataAttr( elem, name, data[ name ] );
3833                                                 }
3834                                         }
3835                                         jQuery._data( elem, "parsedAttrs", true );
3836                                 }
3837                         }
3838
3839                         return data;
3840                 }
3841
3842                 // Sets multiple values
3843                 if ( typeof key === "object" ) {
3844                         return this.each(function() {
3845                                 jQuery.data( this, key );
3846                         });
3847                 }
3848
3849                 return arguments.length > 1 ?
3850
3851                         // Sets one value
3852                         this.each(function() {
3853                                 jQuery.data( this, key, value );
3854                         }) :
3855
3856                         // Gets one value
3857                         // Try to fetch any internally stored data first
3858                         elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
3859         },
3860
3861         removeData: function( key ) {
3862                 return this.each(function() {
3863                         jQuery.removeData( this, key );
3864                 });
3865         }
3866 });
3867
3868 function dataAttr( elem, key, data ) {
3869         // If nothing was found internally, try to fetch any
3870         // data from the HTML5 data-* attribute
3871         if ( data === undefined && elem.nodeType === 1 ) {
3872
3873                 var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
3874
3875                 data = elem.getAttribute( name );
3876
3877                 if ( typeof data === "string" ) {
3878                         try {
3879                                 data = data === "true" ? true :
3880                                         data === "false" ? false :
3881                                         data === "null" ? null :
3882                                         // Only convert to a number if it doesn't change the string
3883                                         +data + "" === data ? +data :
3884                                         rbrace.test( data ) ? jQuery.parseJSON( data ) :
3885                                                 data;
3886                         } catch( e ) {}
3887
3888                         // Make sure we set the data so it isn't changed later
3889                         jQuery.data( elem, key, data );
3890
3891                 } else {
3892                         data = undefined;
3893                 }
3894         }
3895
3896         return data;
3897 }
3898
3899 // checks a cache object for emptiness
3900 function isEmptyDataObject( obj ) {
3901         var name;
3902         for ( name in obj ) {
3903
3904                 // if the public data object is empty, the private is still empty
3905                 if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
3906                         continue;
3907                 }
3908                 if ( name !== "toJSON" ) {
3909                         return false;
3910                 }
3911         }
3912
3913         return true;
3914 }
3915 jQuery.extend({
3916         queue: function( elem, type, data ) {
3917                 var queue;
3918
3919                 if ( elem ) {
3920                         type = ( type || "fx" ) + "queue";
3921                         queue = jQuery._data( elem, type );
3922
3923                         // Speed up dequeue by getting out quickly if this is just a lookup
3924                         if ( data ) {
3925                                 if ( !queue || jQuery.isArray(data) ) {
3926                                         queue = jQuery._data( elem, type, jQuery.makeArray(data) );
3927                                 } else {
3928                                         queue.push( data );
3929                                 }
3930                         }
3931                         return queue || [];
3932                 }
3933         },
3934
3935         dequeue: function( elem, type ) {
3936                 type = type || "fx";
3937
3938                 var queue = jQuery.queue( elem, type ),
3939                         startLength = queue.length,
3940                         fn = queue.shift(),
3941                         hooks = jQuery._queueHooks( elem, type ),
3942                         next = function() {
3943                                 jQuery.dequeue( elem, type );
3944                         };
3945
3946                 // If the fx queue is dequeued, always remove the progress sentinel
3947                 if ( fn === "inprogress" ) {
3948                         fn = queue.shift();
3949                         startLength--;
3950                 }
3951
3952                 if ( fn ) {
3953
3954                         // Add a progress sentinel to prevent the fx queue from being
3955                         // automatically dequeued
3956                         if ( type === "fx" ) {
3957                                 queue.unshift( "inprogress" );
3958                         }
3959
3960                         // clear up the last queue stop function
3961                         delete hooks.stop;
3962                         fn.call( elem, next, hooks );
3963                 }
3964
3965                 if ( !startLength && hooks ) {
3966                         hooks.empty.fire();
3967                 }
3968         },
3969
3970         // not intended for public consumption - generates a queueHooks object, or returns the current one
3971         _queueHooks: function( elem, type ) {
3972                 var key = type + "queueHooks";
3973                 return jQuery._data( elem, key ) || jQuery._data( elem, key, {
3974                         empty: jQuery.Callbacks("once memory").add(function() {
3975                                 jQuery._removeData( elem, type + "queue" );
3976                                 jQuery._removeData( elem, key );
3977                         })
3978                 });
3979         }
3980 });
3981
3982 jQuery.fn.extend({
3983         queue: function( type, data ) {
3984                 var setter = 2;
3985
3986                 if ( typeof type !== "string" ) {
3987                         data = type;
3988                         type = "fx";
3989                         setter--;
3990                 }
3991
3992                 if ( arguments.length < setter ) {
3993                         return jQuery.queue( this[0], type );
3994                 }
3995
3996                 return data === undefined ?
3997                         this :
3998                         this.each(function() {
3999                                 var queue = jQuery.queue( this, type, data );
4000
4001                                 // ensure a hooks for this queue
4002                                 jQuery._queueHooks( this, type );
4003
4004                                 if ( type === "fx" && queue[0] !== "inprogress" ) {
4005                                         jQuery.dequeue( this, type );
4006                                 }
4007                         });
4008         },
4009         dequeue: function( type ) {
4010                 return this.each(function() {
4011                         jQuery.dequeue( this, type );
4012                 });
4013         },
4014         // Based off of the plugin by Clint Helfers, with permission.
4015         // http://blindsignals.com/index.php/2009/07/jquery-delay/
4016         delay: function( time, type ) {
4017                 time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
4018                 type = type || "fx";
4019
4020                 return this.queue( type, function( next, hooks ) {
4021                         var timeout = setTimeout( next, time );
4022                         hooks.stop = function() {
4023                                 clearTimeout( timeout );
4024                         };
4025                 });
4026         },
4027         clearQueue: function( type ) {
4028                 return this.queue( type || "fx", [] );
4029         },
4030         // Get a promise resolved when queues of a certain type
4031         // are emptied (fx is the type by default)
4032         promise: function( type, obj ) {
4033                 var tmp,
4034                         count = 1,
4035                         defer = jQuery.Deferred(),
4036                         elements = this,
4037                         i = this.length,
4038                         resolve = function() {
4039                                 if ( !( --count ) ) {
4040                                         defer.resolveWith( elements, [ elements ] );
4041                                 }
4042                         };
4043
4044                 if ( typeof type !== "string" ) {
4045                         obj = type;
4046                         type = undefined;
4047                 }
4048                 type = type || "fx";
4049
4050                 while( i-- ) {
4051                         tmp = jQuery._data( elements[ i ], type + "queueHooks" );
4052                         if ( tmp && tmp.empty ) {
4053                                 count++;
4054                                 tmp.empty.add( resolve );
4055                         }
4056                 }
4057                 resolve();
4058                 return defer.promise( obj );
4059         }
4060 });
4061 var nodeHook, boolHook,
4062         rclass = /[\t\r\n\f]/g,
4063         rreturn = /\r/g,
4064         rfocusable = /^(?:input|select|textarea|button|object)$/i,
4065         rclickable = /^(?:a|area)$/i,
4066         ruseDefault = /^(?:checked|selected)$/i,
4067         getSetAttribute = jQuery.support.getSetAttribute,
4068         getSetInput = jQuery.support.input;
4069
4070 jQuery.fn.extend({
4071         attr: function( name, value ) {
4072                 return jQuery.access( this, jQuery.attr, name, value, arguments.length > 1 );
4073         },
4074
4075         removeAttr: function( name ) {
4076                 return this.each(function() {
4077                         jQuery.removeAttr( this, name );
4078                 });
4079         },
4080
4081         prop: function( name, value ) {
4082                 return jQuery.access( this, jQuery.prop, name, value, arguments.length > 1 );
4083         },
4084
4085         removeProp: function( name ) {
4086                 name = jQuery.propFix[ name ] || name;
4087                 return this.each(function() {
4088                         // try/catch handles cases where IE balks (such as removing a property on window)
4089                         try {
4090                                 this[ name ] = undefined;
4091                                 delete this[ name ];
4092                         } catch( e ) {}
4093                 });
4094         },
4095
4096         addClass: function( value ) {
4097                 var classes, elem, cur, clazz, j,
4098                         i = 0,
4099                         len = this.length,
4100                         proceed = typeof value === "string" && value;
4101
4102                 if ( jQuery.isFunction( value ) ) {
4103                         return this.each(function( j ) {
4104                                 jQuery( this ).addClass( value.call( this, j, this.className ) );
4105                         });
4106                 }
4107
4108                 if ( proceed ) {
4109                         // The disjunction here is for better compressibility (see removeClass)
4110                         classes = ( value || "" ).match( core_rnotwhite ) || [];
4111
4112                         for ( ; i < len; i++ ) {
4113                                 elem = this[ i ];
4114                                 cur = elem.nodeType === 1 && ( elem.className ?
4115                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
4116                                         " "
4117                                 );
4118
4119                                 if ( cur ) {
4120                                         j = 0;
4121                                         while ( (clazz = classes[j++]) ) {
4122                                                 if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
4123                                                         cur += clazz + " ";
4124                                                 }
4125                                         }
4126                                         elem.className = jQuery.trim( cur );
4127
4128                                 }
4129                         }
4130                 }
4131
4132                 return this;
4133         },
4134
4135         removeClass: function( value ) {
4136                 var classes, elem, cur, clazz, j,
4137                         i = 0,
4138                         len = this.length,
4139                         proceed = arguments.length === 0 || typeof value === "string" && value;
4140
4141                 if ( jQuery.isFunction( value ) ) {
4142                         return this.each(function( j ) {
4143                                 jQuery( this ).removeClass( value.call( this, j, this.className ) );
4144                         });
4145                 }
4146                 if ( proceed ) {
4147                         classes = ( value || "" ).match( core_rnotwhite ) || [];
4148
4149                         for ( ; i < len; i++ ) {
4150                                 elem = this[ i ];
4151                                 // This expression is here for better compressibility (see addClass)
4152                                 cur = elem.nodeType === 1 && ( elem.className ?
4153                                         ( " " + elem.className + " " ).replace( rclass, " " ) :
4154                                         ""
4155                                 );
4156
4157                                 if ( cur ) {
4158                                         j = 0;
4159                                         while ( (clazz = classes[j++]) ) {
4160                                                 // Remove *all* instances
4161                                                 while ( cur.indexOf( " " + clazz + " " ) >= 0 ) {
4162                                                         cur = cur.replace( " " + clazz + " ", " " );
4163                                                 }
4164                                         }
4165                                         elem.className = value ? jQuery.trim( cur ) : "";
4166                                 }
4167                         }
4168                 }
4169
4170                 return this;
4171         },
4172
4173         toggleClass: function( value, stateVal ) {
4174                 var type = typeof value;
4175
4176                 if ( typeof stateVal === "boolean" && type === "string" ) {
4177                         return stateVal ? this.addClass( value ) : this.removeClass( value );
4178                 }
4179
4180                 if ( jQuery.isFunction( value ) ) {
4181                         return this.each(function( i ) {
4182                                 jQuery( this ).toggleClass( value.call(this, i, this.className, stateVal), stateVal );
4183                         });
4184                 }
4185
4186                 return this.each(function() {
4187                         if ( type === "string" ) {
4188                                 // toggle individual class names
4189                                 var className,
4190                                         i = 0,
4191                                         self = jQuery( this ),
4192                                         classNames = value.match( core_rnotwhite ) || [];
4193
4194                                 while ( (className = classNames[ i++ ]) ) {
4195                                         // check each className given, space separated list
4196                                         if ( self.hasClass( className ) ) {
4197                                                 self.removeClass( className );
4198                                         } else {
4199                                                 self.addClass( className );
4200                                         }
4201                                 }
4202
4203                         // Toggle whole class name
4204                         } else if ( type === core_strundefined || type === "boolean" ) {
4205                                 if ( this.className ) {
4206                                         // store className if set
4207                                         jQuery._data( this, "__className__", this.className );
4208                                 }
4209
4210                                 // If the element has a class name or if we're passed "false",
4211                                 // then remove the whole classname (if there was one, the above saved it).
4212                                 // Otherwise bring back whatever was previously saved (if anything),
4213                                 // falling back to the empty string if nothing was stored.
4214                                 this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
4215                         }
4216                 });
4217         },
4218
4219         hasClass: function( selector ) {
4220                 var className = " " + selector + " ",
4221                         i = 0,
4222                         l = this.length;
4223                 for ( ; i < l; i++ ) {
4224                         if ( this[i].nodeType === 1 && (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) >= 0 ) {
4225                                 return true;
4226                         }
4227                 }
4228
4229                 return false;
4230         },
4231
4232         val: function( value ) {
4233                 var ret, hooks, isFunction,
4234                         elem = this[0];
4235
4236                 if ( !arguments.length ) {
4237                         if ( elem ) {
4238                                 hooks = jQuery.valHooks[ elem.type ] || jQuery.valHooks[ elem.nodeName.toLowerCase() ];
4239
4240                                 if ( hooks && "get" in hooks && (ret = hooks.get( elem, "value" )) !== undefined ) {
4241                                         return ret;
4242                                 }
4243
4244                                 ret = elem.value;
4245
4246                                 return typeof ret === "string" ?
4247                                         // handle most common string cases
4248                                         ret.replace(rreturn, "") :
4249                                         // handle cases where value is null/undef or number
4250                                         ret == null ? "" : ret;
4251                         }
4252
4253                         return;
4254                 }
4255
4256                 isFunction = jQuery.isFunction( value );
4257
4258                 return this.each(function( i ) {
4259                         var val;
4260
4261                         if ( this.nodeType !== 1 ) {
4262                                 return;
4263                         }
4264
4265                         if ( isFunction ) {
4266                                 val = value.call( this, i, jQuery( this ).val() );
4267                         } else {
4268                                 val = value;
4269                         }
4270
4271                         // Treat null/undefined as ""; convert numbers to string
4272                         if ( val == null ) {
4273                                 val = "";
4274                         } else if ( typeof val === "number" ) {
4275                                 val += "";
4276                         } else if ( jQuery.isArray( val ) ) {
4277                                 val = jQuery.map(val, function ( value ) {
4278                                         return value == null ? "" : value + "";
4279                                 });
4280                         }
4281
4282                         hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
4283
4284                         // If set returns undefined, fall back to normal setting
4285                         if ( !hooks || !("set" in hooks) || hooks.set( this, val, "value" ) === undefined ) {
4286                                 this.value = val;
4287                         }
4288                 });
4289         }
4290 });
4291
4292 jQuery.extend({
4293         valHooks: {
4294                 option: {
4295                         get: function( elem ) {
4296                                 // Use proper attribute retrieval(#6932, #12072)
4297                                 var val = jQuery.find.attr( elem, "value" );
4298                                 return val != null ?
4299                                         val :
4300                                         elem.text;
4301                         }
4302                 },
4303                 select: {
4304                         get: function( elem ) {
4305                                 var value, option,
4306                                         options = elem.options,
4307                                         index = elem.selectedIndex,
4308                                         one = elem.type === "select-one" || index < 0,
4309                                         values = one ? null : [],
4310                                         max = one ? index + 1 : options.length,
4311                                         i = index < 0 ?
4312                                                 max :
4313                                                 one ? index : 0;
4314
4315                                 // Loop through all the selected options
4316                                 for ( ; i < max; i++ ) {
4317                                         option = options[ i ];
4318
4319                                         // oldIE doesn't update selected after form reset (#2551)
4320                                         if ( ( option.selected || i === index ) &&
4321                                                         // Don't return options that are disabled or in a disabled optgroup
4322                                                         ( jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null ) &&
4323                                                         ( !option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
4324
4325                                                 // Get the specific value for the option
4326                                                 value = jQuery( option ).val();
4327
4328                                                 // We don't need an array for one selects
4329                                                 if ( one ) {
4330                                                         return value;
4331                                                 }
4332
4333                                                 // Multi-Selects return an array
4334                                                 values.push( value );
4335                                         }
4336                                 }
4337
4338                                 return values;
4339                         },
4340
4341                         set: function( elem, value ) {
4342                                 var optionSet, option,
4343                                         options = elem.options,
4344                                         values = jQuery.makeArray( value ),
4345                                         i = options.length;
4346
4347                                 while ( i-- ) {
4348                                         option = options[ i ];
4349                                         if ( (option.selected = jQuery.inArray( jQuery(option).val(), values ) >= 0) ) {
4350                                                 optionSet = true;
4351                                         }
4352                                 }
4353
4354                                 // force browsers to behave consistently when non-matching value is set
4355                                 if ( !optionSet ) {
4356                                         elem.selectedIndex = -1;
4357                                 }
4358                                 return values;
4359                         }
4360                 }
4361         },
4362
4363         attr: function( elem, name, value ) {
4364                 var hooks, ret,
4365                         nType = elem.nodeType;
4366
4367                 // don't get/set attributes on text, comment and attribute nodes
4368                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
4369                         return;
4370                 }
4371
4372                 // Fallback to prop when attributes are not supported
4373                 if ( typeof elem.getAttribute === core_strundefined ) {
4374                         return jQuery.prop( elem, name, value );
4375                 }
4376
4377                 // All attributes are lowercase
4378                 // Grab necessary hook if one is defined
4379                 if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
4380                         name = name.toLowerCase();
4381                         hooks = jQuery.attrHooks[ name ] ||
4382                                 ( jQuery.expr.match.bool.test( name ) ? boolHook : nodeHook );
4383                 }
4384
4385                 if ( value !== undefined ) {
4386
4387                         if ( value === null ) {
4388                                 jQuery.removeAttr( elem, name );
4389
4390                         } else if ( hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ) {
4391                                 return ret;
4392
4393                         } else {
4394                                 elem.setAttribute( name, value + "" );
4395                                 return value;
4396                         }
4397
4398                 } else if ( hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ) {
4399                         return ret;
4400
4401                 } else {
4402                         ret = jQuery.find.attr( elem, name );
4403
4404                         // Non-existent attributes return null, we normalize to undefined
4405                         return ret == null ?
4406                                 undefined :
4407                                 ret;
4408                 }
4409         },
4410
4411         removeAttr: function( elem, value ) {
4412                 var name, propName,
4413                         i = 0,
4414                         attrNames = value && value.match( core_rnotwhite );
4415
4416                 if ( attrNames && elem.nodeType === 1 ) {
4417                         while ( (name = attrNames[i++]) ) {
4418                                 propName = jQuery.propFix[ name ] || name;
4419
4420                                 // Boolean attributes get special treatment (#10870)
4421                                 if ( jQuery.expr.match.bool.test( name ) ) {
4422                                         // Set corresponding property to false
4423                                         if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
4424                                                 elem[ propName ] = false;
4425                                         // Support: IE<9
4426                                         // Also clear defaultChecked/defaultSelected (if appropriate)
4427                                         } else {
4428                                                 elem[ jQuery.camelCase( "default-" + name ) ] =
4429                                                         elem[ propName ] = false;
4430                                         }
4431
4432                                 // See #9699 for explanation of this approach (setting first, then removal)
4433                                 } else {
4434                                         jQuery.attr( elem, name, "" );
4435                                 }
4436
4437                                 elem.removeAttribute( getSetAttribute ? name : propName );
4438                         }
4439                 }
4440         },
4441
4442         attrHooks: {
4443                 type: {
4444                         set: function( elem, value ) {
4445                                 if ( !jQuery.support.radioValue && value === "radio" && jQuery.nodeName(elem, "input") ) {
4446                                         // Setting the type on a radio button after the value resets the value in IE6-9
4447                                         // Reset value to default in case type is set after value during creation
4448                                         var val = elem.value;
4449                                         elem.setAttribute( "type", value );
4450                                         if ( val ) {
4451                                                 elem.value = val;
4452                                         }
4453                                         return value;
4454                                 }
4455                         }
4456                 }
4457         },
4458
4459         propFix: {
4460                 "for": "htmlFor",
4461                 "class": "className"
4462         },
4463
4464         prop: function( elem, name, value ) {
4465                 var ret, hooks, notxml,
4466                         nType = elem.nodeType;
4467
4468                 // don't get/set properties on text, comment and attribute nodes
4469                 if ( !elem || nType === 3 || nType === 8 || nType === 2 ) {
4470                         return;
4471                 }
4472
4473                 notxml = nType !== 1 || !jQuery.isXMLDoc( elem );
4474
4475                 if ( notxml ) {
4476                         // Fix name and attach hooks
4477                         name = jQuery.propFix[ name ] || name;
4478                         hooks = jQuery.propHooks[ name ];
4479                 }
4480
4481                 if ( value !== undefined ) {
4482                         return hooks && "set" in hooks && (ret = hooks.set( elem, value, name )) !== undefined ?
4483                                 ret :
4484                                 ( elem[ name ] = value );
4485
4486                 } else {
4487                         return hooks && "get" in hooks && (ret = hooks.get( elem, name )) !== null ?
4488                                 ret :
4489                                 elem[ name ];
4490                 }
4491         },
4492
4493         propHooks: {
4494                 tabIndex: {
4495                         get: function( elem ) {
4496                                 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
4497                                 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
4498                                 // Use proper attribute retrieval(#12072)
4499                                 var tabindex = jQuery.find.attr( elem, "tabindex" );
4500
4501                                 return tabindex ?
4502                                         parseInt( tabindex, 10 ) :
4503                                         rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
4504                                                 0 :
4505                                                 -1;
4506                         }
4507                 }
4508         }
4509 });
4510
4511 // Hooks for boolean attributes
4512 boolHook = {
4513         set: function( elem, value, name ) {
4514                 if ( value === false ) {
4515                         // Remove boolean attributes when set to false
4516                         jQuery.removeAttr( elem, name );
4517                 } else if ( getSetInput && getSetAttribute || !ruseDefault.test( name ) ) {
4518                         // IE<8 needs the *property* name
4519                         elem.setAttribute( !getSetAttribute && jQuery.propFix[ name ] || name, name );
4520
4521                 // Use defaultChecked and defaultSelected for oldIE
4522                 } else {
4523                         elem[ jQuery.camelCase( "default-" + name ) ] = elem[ name ] = true;
4524                 }
4525
4526                 return name;
4527         }
4528 };
4529 jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
4530         var getter = jQuery.expr.attrHandle[ name ] || jQuery.find.attr;
4531
4532         jQuery.expr.attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
4533                 function( elem, name, isXML ) {
4534                         var fn = jQuery.expr.attrHandle[ name ],
4535                                 ret = isXML ?
4536                                         undefined :
4537                                         /* jshint eqeqeq: false */
4538                                         (jQuery.expr.attrHandle[ name ] = undefined) !=
4539                                                 getter( elem, name, isXML ) ?
4540
4541                                                 name.toLowerCase() :
4542                                                 null;
4543                         jQuery.expr.attrHandle[ name ] = fn;
4544                         return ret;
4545                 } :
4546                 function( elem, name, isXML ) {
4547                         return isXML ?
4548                                 undefined :
4549                                 elem[ jQuery.camelCase( "default-" + name ) ] ?
4550                                         name.toLowerCase() :
4551                                         null;
4552                 };
4553 });
4554
4555 // fix oldIE attroperties
4556 if ( !getSetInput || !getSetAttribute ) {
4557         jQuery.attrHooks.value = {
4558                 set: function( elem, value, name ) {
4559                         if ( jQuery.nodeName( elem, "input" ) ) {
4560                                 // Does not return so that setAttribute is also used
4561                                 elem.defaultValue = value;
4562                         } else {
4563                                 // Use nodeHook if defined (#1954); otherwise setAttribute is fine
4564                                 return nodeHook && nodeHook.set( elem, value, name );
4565                         }
4566                 }
4567         };
4568 }
4569
4570 // IE6/7 do not support getting/setting some attributes with get/setAttribute
4571 if ( !getSetAttribute ) {
4572
4573         // Use this for any attribute in IE6/7
4574         // This fixes almost every IE6/7 issue
4575         nodeHook = {
4576                 set: function( elem, value, name ) {
4577                         // Set the existing or create a new attribute node
4578                         var ret = elem.getAttributeNode( name );
4579                         if ( !ret ) {
4580                                 elem.setAttributeNode(
4581                                         (ret = elem.ownerDocument.createAttribute( name ))
4582                                 );
4583                         }
4584
4585                         ret.value = value += "";
4586
4587                         // Break association with cloned elements by also using setAttribute (#9646)
4588                         return name === "value" || value === elem.getAttribute( name ) ?
4589                                 value :
4590                                 undefined;
4591                 }
4592         };
4593         jQuery.expr.attrHandle.id = jQuery.expr.attrHandle.name = jQuery.expr.attrHandle.coords =
4594                 // Some attributes are constructed with empty-string values when not defined
4595                 function( elem, name, isXML ) {
4596                         var ret;
4597                         return isXML ?
4598                                 undefined :
4599                                 (ret = elem.getAttributeNode( name )) && ret.value !== "" ?
4600                                         ret.value :
4601                                         null;
4602                 };
4603         jQuery.valHooks.button = {
4604                 get: function( elem, name ) {
4605                         var ret = elem.getAttributeNode( name );
4606                         return ret && ret.specified ?
4607                                 ret.value :
4608                                 undefined;
4609                 },
4610                 set: nodeHook.set
4611         };
4612
4613         // Set contenteditable to false on removals(#10429)
4614         // Setting to empty string throws an error as an invalid value
4615         jQuery.attrHooks.contenteditable = {
4616                 set: function( elem, value, name ) {
4617                         nodeHook.set( elem, value === "" ? false : value, name );
4618                 }
4619         };
4620
4621         // Set width and height to auto instead of 0 on empty string( Bug #8150 )
4622         // This is for removals
4623         jQuery.each([ "width", "height" ], function( i, name ) {
4624                 jQuery.attrHooks[ name ] = {
4625                         set: function( elem, value ) {
4626                                 if ( value === "" ) {
4627                                         elem.setAttribute( name, "auto" );
4628                                         return value;
4629                                 }
4630                         }
4631                 };
4632         });
4633 }
4634
4635
4636 // Some attributes require a special call on IE
4637 // http://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
4638 if ( !jQuery.support.hrefNormalized ) {
4639         // href/src property should get the full normalized URL (#10299/#12915)
4640         jQuery.each([ "href", "src" ], function( i, name ) {
4641                 jQuery.propHooks[ name ] = {
4642                         get: function( elem ) {
4643                                 return elem.getAttribute( name, 4 );
4644                         }
4645                 };
4646         });
4647 }
4648
4649 if ( !jQuery.support.style ) {
4650         jQuery.attrHooks.style = {
4651                 get: function( elem ) {
4652                         // Return undefined in the case of empty string
4653                         // Note: IE uppercases css property names, but if we were to .toLowerCase()
4654                         // .cssText, that would destroy case senstitivity in URL's, like in "background"
4655                         return elem.style.cssText || undefined;
4656                 },
4657                 set: function( elem, value ) {
4658                         return ( elem.style.cssText = value + "" );
4659                 }
4660         };
4661 }
4662
4663 // Safari mis-reports the default selected property of an option
4664 // Accessing the parent's selectedIndex property fixes it
4665 if ( !jQuery.support.optSelected ) {
4666         jQuery.propHooks.selected = {
4667                 get: function( elem ) {
4668                         var parent = elem.parentNode;
4669
4670                         if ( parent ) {
4671                                 parent.selectedIndex;
4672
4673                                 // Make sure that it also works with optgroups, see #5701
4674                                 if ( parent.parentNode ) {
4675                                         parent.parentNode.selectedIndex;
4676                                 }
4677                         }
4678                         return null;
4679                 }
4680         };
4681 }
4682
4683 jQuery.each([
4684         "tabIndex",
4685         "readOnly",
4686         "maxLength",
4687         "cellSpacing",
4688         "cellPadding",
4689         "rowSpan",
4690         "colSpan",
4691         "useMap",
4692         "frameBorder",
4693         "contentEditable"
4694 ], function() {
4695         jQuery.propFix[ this.toLowerCase() ] = this;
4696 });
4697
4698 // IE6/7 call enctype encoding
4699 if ( !jQuery.support.enctype ) {
4700         jQuery.propFix.enctype = "encoding";
4701 }
4702
4703 // Radios and checkboxes getter/setter
4704 jQuery.each([ "radio", "checkbox" ], function() {
4705         jQuery.valHooks[ this ] = {
4706                 set: function( elem, value ) {
4707                         if ( jQuery.isArray( value ) ) {
4708                                 return ( elem.checked = jQuery.inArray( jQuery(elem).val(), value ) >= 0 );
4709                         }
4710                 }
4711         };
4712         if ( !jQuery.support.checkOn ) {
4713                 jQuery.valHooks[ this ].get = function( elem ) {
4714                         // Support: Webkit
4715                         // "" is returned instead of "on" if a value isn't specified
4716                         return elem.getAttribute("value") === null ? "on" : elem.value;
4717                 };
4718         }
4719 });
4720 var rformElems = /^(?:input|select|textarea)$/i,
4721         rkeyEvent = /^key/,
4722         rmouseEvent = /^(?:mouse|contextmenu)|click/,
4723         rfocusMorph = /^(?:focusinfocus|focusoutblur)$/,
4724         rtypenamespace = /^([^.]*)(?:\.(.+)|)$/;
4725
4726 function returnTrue() {
4727         return true;
4728 }
4729
4730 function returnFalse() {
4731         return false;
4732 }
4733
4734 function safeActiveElement() {
4735         try {
4736                 return document.activeElement;
4737         } catch ( err ) { }
4738 }
4739
4740 /*
4741  * Helper functions for managing events -- not part of the public interface.
4742  * Props to Dean Edwards' addEvent library for many of the ideas.
4743  */
4744 jQuery.event = {
4745
4746         global: {},
4747
4748         add: function( elem, types, handler, data, selector ) {
4749                 var tmp, events, t, handleObjIn,
4750                         special, eventHandle, handleObj,
4751                         handlers, type, namespaces, origType,
4752                         elemData = jQuery._data( elem );
4753
4754                 // Don't attach events to noData or text/comment nodes (but allow plain objects)
4755                 if ( !elemData ) {
4756                         return;
4757                 }
4758
4759                 // Caller can pass in an object of custom data in lieu of the handler
4760                 if ( handler.handler ) {
4761                         handleObjIn = handler;
4762                         handler = handleObjIn.handler;
4763                         selector = handleObjIn.selector;
4764                 }
4765
4766                 // Make sure that the handler has a unique ID, used to find/remove it later
4767                 if ( !handler.guid ) {
4768                         handler.guid = jQuery.guid++;
4769                 }
4770
4771                 // Init the element's event structure and main handler, if this is the first
4772                 if ( !(events = elemData.events) ) {
4773                         events = elemData.events = {};
4774                 }
4775                 if ( !(eventHandle = elemData.handle) ) {
4776                         eventHandle = elemData.handle = function( e ) {
4777                                 // Discard the second event of a jQuery.event.trigger() and
4778                                 // when an event is called after a page has unloaded
4779                                 return typeof jQuery !== core_strundefined && (!e || jQuery.event.triggered !== e.type) ?
4780                                         jQuery.event.dispatch.apply( eventHandle.elem, arguments ) :
4781                                         undefined;
4782                         };
4783                         // Add elem as a property of the handle fn to prevent a memory leak with IE non-native events
4784                         eventHandle.elem = elem;
4785                 }
4786
4787                 // Handle multiple events separated by a space
4788                 types = ( types || "" ).match( core_rnotwhite ) || [""];
4789                 t = types.length;
4790                 while ( t-- ) {
4791                         tmp = rtypenamespace.exec( types[t] ) || [];
4792                         type = origType = tmp[1];
4793                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4794
4795                         // There *must* be a type, no attaching namespace-only handlers
4796                         if ( !type ) {
4797                                 continue;
4798                         }
4799
4800                         // If event changes its type, use the special event handlers for the changed type
4801                         special = jQuery.event.special[ type ] || {};
4802
4803                         // If selector defined, determine special event api type, otherwise given type
4804                         type = ( selector ? special.delegateType : special.bindType ) || type;
4805
4806                         // Update special based on newly reset type
4807                         special = jQuery.event.special[ type ] || {};
4808
4809                         // handleObj is passed to all event handlers
4810                         handleObj = jQuery.extend({
4811                                 type: type,
4812                                 origType: origType,
4813                                 data: data,
4814                                 handler: handler,
4815                                 guid: handler.guid,
4816                                 selector: selector,
4817                                 needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
4818                                 namespace: namespaces.join(".")
4819                         }, handleObjIn );
4820
4821                         // Init the event handler queue if we're the first
4822                         if ( !(handlers = events[ type ]) ) {
4823                                 handlers = events[ type ] = [];
4824                                 handlers.delegateCount = 0;
4825
4826                                 // Only use addEventListener/attachEvent if the special events handler returns false
4827                                 if ( !special.setup || special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
4828                                         // Bind the global event handler to the element
4829                                         if ( elem.addEventListener ) {
4830                                                 elem.addEventListener( type, eventHandle, false );
4831
4832                                         } else if ( elem.attachEvent ) {
4833                                                 elem.attachEvent( "on" + type, eventHandle );
4834                                         }
4835                                 }
4836                         }
4837
4838                         if ( special.add ) {
4839                                 special.add.call( elem, handleObj );
4840
4841                                 if ( !handleObj.handler.guid ) {
4842                                         handleObj.handler.guid = handler.guid;
4843                                 }
4844                         }
4845
4846                         // Add to the element's handler list, delegates in front
4847                         if ( selector ) {
4848                                 handlers.splice( handlers.delegateCount++, 0, handleObj );
4849                         } else {
4850                                 handlers.push( handleObj );
4851                         }
4852
4853                         // Keep track of which events have ever been used, for event optimization
4854                         jQuery.event.global[ type ] = true;
4855                 }
4856
4857                 // Nullify elem to prevent memory leaks in IE
4858                 elem = null;
4859         },
4860
4861         // Detach an event or set of events from an element
4862         remove: function( elem, types, handler, selector, mappedTypes ) {
4863                 var j, handleObj, tmp,
4864                         origCount, t, events,
4865                         special, handlers, type,
4866                         namespaces, origType,
4867                         elemData = jQuery.hasData( elem ) && jQuery._data( elem );
4868
4869                 if ( !elemData || !(events = elemData.events) ) {
4870                         return;
4871                 }
4872
4873                 // Once for each type.namespace in types; type may be omitted
4874                 types = ( types || "" ).match( core_rnotwhite ) || [""];
4875                 t = types.length;
4876                 while ( t-- ) {
4877                         tmp = rtypenamespace.exec( types[t] ) || [];
4878                         type = origType = tmp[1];
4879                         namespaces = ( tmp[2] || "" ).split( "." ).sort();
4880
4881                         // Unbind all events (on this namespace, if provided) for the element
4882                         if ( !type ) {
4883                                 for ( type in events ) {
4884                                         jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
4885                                 }
4886                                 continue;
4887                         }
4888
4889                         special = jQuery.event.special[ type ] || {};
4890                         type = ( selector ? special.delegateType : special.bindType ) || type;
4891                         handlers = events[ type ] || [];
4892                         tmp = tmp[2] && new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" );
4893
4894                         // Remove matching events
4895                         origCount = j = handlers.length;
4896                         while ( j-- ) {
4897                                 handleObj = handlers[ j ];
4898
4899                                 if ( ( mappedTypes || origType === handleObj.origType ) &&
4900                                         ( !handler || handler.guid === handleObj.guid ) &&
4901                                         ( !tmp || tmp.test( handleObj.namespace ) ) &&
4902                                         ( !selector || selector === handleObj.selector || selector === "**" && handleObj.selector ) ) {
4903                                         handlers.splice( j, 1 );
4904
4905                                         if ( handleObj.selector ) {
4906                                                 handlers.delegateCount--;
4907                                         }
4908                                         if ( special.remove ) {
4909                                                 special.remove.call( elem, handleObj );
4910                                         }
4911                                 }
4912                         }
4913
4914                         // Remove generic event handler if we removed something and no more handlers exist
4915                         // (avoids potential for endless recursion during removal of special event handlers)
4916                         if ( origCount && !handlers.length ) {
4917                                 if ( !special.teardown || special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
4918                                         jQuery.removeEvent( elem, type, elemData.handle );
4919                                 }
4920
4921                                 delete events[ type ];
4922                         }
4923                 }
4924
4925                 // Remove the expando if it's no longer used
4926                 if ( jQuery.isEmptyObject( events ) ) {
4927                         delete elemData.handle;
4928
4929                         // removeData also checks for emptiness and clears the expando if empty
4930                         // so use it instead of delete
4931                         jQuery._removeData( elem, "events" );
4932                 }
4933         },
4934
4935         trigger: function( event, data, elem, onlyHandlers ) {
4936                 var handle, ontype, cur,
4937                         bubbleType, special, tmp, i,
4938                         eventPath = [ elem || document ],
4939                         type = core_hasOwn.call( event, "type" ) ? event.type : event,
4940                         namespaces = core_hasOwn.call( event, "namespace" ) ? event.namespace.split(".") : [];
4941
4942                 cur = tmp = elem = elem || document;
4943
4944                 // Don't do events on text and comment nodes
4945                 if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
4946                         return;
4947                 }
4948
4949                 // focus/blur morphs to focusin/out; ensure we're not firing them right now
4950                 if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
4951                         return;
4952                 }
4953
4954                 if ( type.indexOf(".") >= 0 ) {
4955                         // Namespaced trigger; create a regexp to match event type in handle()
4956                         namespaces = type.split(".");
4957                         type = namespaces.shift();
4958                         namespaces.sort();
4959                 }
4960                 ontype = type.indexOf(":") < 0 && "on" + type;
4961
4962                 // Caller can pass in a jQuery.Event object, Object, or just an event type string
4963                 event = event[ jQuery.expando ] ?
4964                         event :
4965                         new jQuery.Event( type, typeof event === "object" && event );
4966
4967                 // Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
4968                 event.isTrigger = onlyHandlers ? 2 : 3;
4969                 event.namespace = namespaces.join(".");
4970                 event.namespace_re = event.namespace ?
4971                         new RegExp( "(^|\\.)" + namespaces.join("\\.(?:.*\\.|)") + "(\\.|$)" ) :
4972                         null;
4973
4974                 // Clean up the event in case it is being reused
4975                 event.result = undefined;
4976                 if ( !event.target ) {
4977                         event.target = elem;
4978                 }
4979
4980                 // Clone any incoming data and prepend the event, creating the handler arg list
4981                 data = data == null ?
4982                         [ event ] :
4983                         jQuery.makeArray( data, [ event ] );
4984
4985                 // Allow special events to draw outside the lines
4986                 special = jQuery.event.special[ type ] || {};
4987                 if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
4988                         return;
4989                 }
4990
4991                 // Determine event propagation path in advance, per W3C events spec (#9951)
4992                 // Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
4993                 if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
4994
4995                         bubbleType = special.delegateType || type;
4996                         if ( !rfocusMorph.test( bubbleType + type ) ) {
4997                                 cur = cur.parentNode;
4998                         }
4999                         for ( ; cur; cur = cur.parentNode ) {
5000                                 eventPath.push( cur );
5001                                 tmp = cur;
5002                         }
5003
5004                         // Only add window if we got to document (e.g., not plain obj or detached DOM)
5005                         if ( tmp === (elem.ownerDocument || document) ) {
5006                                 eventPath.push( tmp.defaultView || tmp.parentWindow || window );
5007                         }
5008                 }
5009
5010                 // Fire handlers on the event path
5011                 i = 0;
5012                 while ( (cur = eventPath[i++]) && !event.isPropagationStopped() ) {
5013
5014                         event.type = i > 1 ?
5015                                 bubbleType :
5016                                 special.bindType || type;
5017
5018                         // jQuery handler
5019                         handle = ( jQuery._data( cur, "events" ) || {} )[ event.type ] && jQuery._data( cur, "handle" );
5020                         if ( handle ) {
5021                                 handle.apply( cur, data );
5022                         }
5023
5024                         // Native handler
5025                         handle = ontype && cur[ ontype ];
5026                         if ( handle && jQuery.acceptData( cur ) && handle.apply && handle.apply( cur, data ) === false ) {
5027                                 event.preventDefault();
5028                         }
5029                 }
5030                 event.type = type;
5031
5032                 // If nobody prevented the default action, do it now
5033                 if ( !onlyHandlers && !event.isDefaultPrevented() ) {
5034
5035                         if ( (!special._default || special._default.apply( eventPath.pop(), data ) === false) &&
5036                                 jQuery.acceptData( elem ) ) {
5037
5038                                 // Call a native DOM method on the target with the same name name as the event.
5039                                 // Can't use an .isFunction() check here because IE6/7 fails that test.
5040                                 // Don't do default actions on window, that's where global variables be (#6170)
5041                                 if ( ontype && elem[ type ] && !jQuery.isWindow( elem ) ) {
5042
5043                                         // Don't re-trigger an onFOO event when we call its FOO() method
5044                                         tmp = elem[ ontype ];
5045
5046                                         if ( tmp ) {
5047                                                 elem[ ontype ] = null;
5048                                         }
5049
5050                                         // Prevent re-triggering of the same event, since we already bubbled it above
5051                                         jQuery.event.triggered = type;
5052                                         try {
5053                                                 elem[ type ]();
5054                                         } catch ( e ) {
5055                                                 // IE<9 dies on focus/blur to hidden element (#1486,#12518)
5056                                                 // only reproducible on winXP IE8 native, not IE9 in IE8 mode
5057                                         }
5058                                         jQuery.event.triggered = undefined;
5059
5060                                         if ( tmp ) {
5061                                                 elem[ ontype ] = tmp;
5062                                         }
5063                                 }
5064                         }
5065                 }
5066
5067                 return event.result;
5068         },
5069
5070         dispatch: function( event ) {
5071
5072                 // Make a writable jQuery.Event from the native event object
5073                 event = jQuery.event.fix( event );
5074
5075                 var i, ret, handleObj, matched, j,
5076                         handlerQueue = [],
5077                         args = core_slice.call( arguments ),
5078                         handlers = ( jQuery._data( this, "events" ) || {} )[ event.type ] || [],
5079                         special = jQuery.event.special[ event.type ] || {};
5080
5081                 // Use the fix-ed jQuery.Event rather than the (read-only) native event
5082                 args[0] = event;
5083                 event.delegateTarget = this;
5084
5085                 // Call the preDispatch hook for the mapped type, and let it bail if desired
5086                 if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
5087                         return;
5088                 }
5089
5090                 // Determine handlers
5091                 handlerQueue = jQuery.event.handlers.call( this, event, handlers );
5092
5093                 // Run delegates first; they may want to stop propagation beneath us
5094                 i = 0;
5095                 while ( (matched = handlerQueue[ i++ ]) && !event.isPropagationStopped() ) {
5096                         event.currentTarget = matched.elem;
5097
5098                         j = 0;
5099                         while ( (handleObj = matched.handlers[ j++ ]) && !event.isImmediatePropagationStopped() ) {
5100
5101                                 // Triggered event must either 1) have no namespace, or
5102                                 // 2) have namespace(s) a subset or equal to those in the bound event (both can have no namespace).
5103                                 if ( !event.namespace_re || event.namespace_re.test( handleObj.namespace ) ) {
5104
5105                                         event.handleObj = handleObj;
5106                                         event.data = handleObj.data;
5107
5108                                         ret = ( (jQuery.event.special[ handleObj.origType ] || {}).handle || handleObj.handler )
5109                                                         .apply( matched.elem, args );
5110
5111                                         if ( ret !== undefined ) {
5112                                                 if ( (event.result = ret) === false ) {
5113                                                         event.preventDefault();
5114                                                         event.stopPropagation();
5115                                                 }
5116                                         }
5117                                 }
5118                         }
5119                 }
5120
5121                 // Call the postDispatch hook for the mapped type
5122                 if ( special.postDispatch ) {
5123                         special.postDispatch.call( this, event );
5124                 }
5125
5126                 return event.result;
5127         },
5128
5129         handlers: function( event, handlers ) {
5130                 var sel, handleObj, matches, i,
5131                         handlerQueue = [],
5132                         delegateCount = handlers.delegateCount,
5133                         cur = event.target;
5134
5135                 // Find delegate handlers
5136                 // Black-hole SVG <use> instance trees (#13180)
5137                 // Avoid non-left-click bubbling in Firefox (#3861)
5138                 if ( delegateCount && cur.nodeType && (!event.button || event.type !== "click") ) {
5139
5140                         /* jshint eqeqeq: false */
5141                         for ( ; cur != this; cur = cur.parentNode || this ) {
5142                                 /* jshint eqeqeq: true */
5143
5144                                 // Don't check non-elements (#13208)
5145                                 // Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
5146                                 if ( cur.nodeType === 1 && (cur.disabled !== true || event.type !== "click") ) {
5147                                         matches = [];
5148                                         for ( i = 0; i < delegateCount; i++ ) {
5149                                                 handleObj = handlers[ i ];
5150
5151                                                 // Don't conflict with Object.prototype properties (#13203)
5152                                                 sel = handleObj.selector + " ";
5153
5154                                                 if ( matches[ sel ] === undefined ) {
5155                                                         matches[ sel ] = handleObj.needsContext ?
5156                                                                 jQuery( sel, this ).index( cur ) >= 0 :
5157                                                                 jQuery.find( sel, this, null, [ cur ] ).length;
5158                                                 }
5159                                                 if ( matches[ sel ] ) {
5160                                                         matches.push( handleObj );
5161                                                 }
5162                                         }
5163                                         if ( matches.length ) {
5164                                                 handlerQueue.push({ elem: cur, handlers: matches });
5165                                         }
5166                                 }
5167                         }
5168                 }
5169
5170                 // Add the remaining (directly-bound) handlers
5171                 if ( delegateCount < handlers.length ) {
5172                         handlerQueue.push({ elem: this, handlers: handlers.slice( delegateCount ) });
5173                 }
5174
5175                 return handlerQueue;
5176         },
5177
5178         fix: function( event ) {
5179                 if ( event[ jQuery.expando ] ) {
5180                         return event;
5181                 }
5182
5183                 // Create a writable copy of the event object and normalize some properties
5184                 var i, prop, copy,
5185                         type = event.type,
5186                         originalEvent = event,
5187                         fixHook = this.fixHooks[ type ];
5188
5189                 if ( !fixHook ) {
5190                         this.fixHooks[ type ] = fixHook =
5191                                 rmouseEvent.test( type ) ? this.mouseHooks :
5192                                 rkeyEvent.test( type ) ? this.keyHooks :
5193                                 {};
5194                 }
5195                 copy = fixHook.props ? this.props.concat( fixHook.props ) : this.props;
5196
5197                 event = new jQuery.Event( originalEvent );
5198
5199                 i = copy.length;
5200                 while ( i-- ) {
5201                         prop = copy[ i ];
5202                         event[ prop ] = originalEvent[ prop ];
5203                 }
5204
5205                 // Support: IE<9
5206                 // Fix target property (#1925)
5207                 if ( !event.target ) {
5208                         event.target = originalEvent.srcElement || document;
5209                 }
5210
5211                 // Support: Chrome 23+, Safari?
5212                 // Target should not be a text node (#504, #13143)
5213                 if ( event.target.nodeType === 3 ) {
5214                         event.target = event.target.parentNode;
5215                 }
5216
5217                 // Support: IE<9
5218                 // For mouse/key events, metaKey==false if it's undefined (#3368, #11328)
5219                 event.metaKey = !!event.metaKey;
5220
5221                 return fixHook.filter ? fixHook.filter( event, originalEvent ) : event;
5222         },
5223
5224         // Includes some event props shared by KeyEvent and MouseEvent
5225         props: "altKey bubbles cancelable ctrlKey currentTarget eventPhase metaKey relatedTarget shiftKey target timeStamp view which".split(" "),
5226
5227         fixHooks: {},
5228
5229         keyHooks: {
5230                 props: "char charCode key keyCode".split(" "),
5231                 filter: function( event, original ) {
5232
5233                         // Add which for key events
5234                         if ( event.which == null ) {
5235                                 event.which = original.charCode != null ? original.charCode : original.keyCode;
5236                         }
5237
5238                         return event;
5239                 }
5240         },
5241
5242         mouseHooks: {
5243                 props: "button buttons clientX clientY fromElement offsetX offsetY pageX pageY screenX screenY toElement".split(" "),
5244                 filter: function( event, original ) {
5245                         var body, eventDoc, doc,
5246                                 button = original.button,
5247                                 fromElement = original.fromElement;
5248
5249                         // Calculate pageX/Y if missing and clientX/Y available
5250                         if ( event.pageX == null && original.clientX != null ) {
5251                                 eventDoc = event.target.ownerDocument || document;
5252                                 doc = eventDoc.documentElement;
5253                                 body = eventDoc.body;
5254
5255                                 event.pageX = original.clientX + ( doc && doc.scrollLeft || body && body.scrollLeft || 0 ) - ( doc && doc.clientLeft || body && body.clientLeft || 0 );
5256                                 event.pageY = original.clientY + ( doc && doc.scrollTop  || body && body.scrollTop  || 0 ) - ( doc && doc.clientTop  || body && body.clientTop  || 0 );
5257                         }
5258
5259                         // Add relatedTarget, if necessary
5260                         if ( !event.relatedTarget && fromElement ) {
5261                                 event.relatedTarget = fromElement === event.target ? original.toElement : fromElement;
5262                         }
5263
5264                         // Add which for click: 1 === left; 2 === middle; 3 === right
5265                         // Note: button is not normalized, so don't use it
5266                         if ( !event.which && button !== undefined ) {
5267                                 event.which = ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
5268                         }
5269
5270                         return event;
5271                 }
5272         },
5273
5274         special: {
5275                 load: {
5276                         // Prevent triggered image.load events from bubbling to window.load
5277                         noBubble: true
5278                 },
5279                 focus: {
5280                         // Fire native event if possible so blur/focus sequence is correct
5281                         trigger: function() {
5282                                 if ( this !== safeActiveElement() && this.focus ) {
5283                                         try {
5284                                                 this.focus();
5285                                                 return false;
5286                                         } catch ( e ) {
5287                                                 // Support: IE<9
5288                                                 // If we error on focus to hidden element (#1486, #12518),
5289                                                 // let .trigger() run the handlers
5290                                         }
5291                                 }
5292                         },
5293                         delegateType: "focusin"
5294                 },
5295                 blur: {
5296                         trigger: function() {
5297                                 if ( this === safeActiveElement() && this.blur ) {
5298                                         this.blur();
5299                                         return false;
5300                                 }
5301                         },
5302                         delegateType: "focusout"
5303                 },
5304                 click: {
5305                         // For checkbox, fire native event so checked state will be right
5306                         trigger: function() {
5307                                 if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
5308                                         this.click();
5309                                         return false;
5310                                 }
5311                         },
5312
5313                         // For cross-browser consistency, don't fire native .click() on links
5314                         _default: function( event ) {
5315                                 return jQuery.nodeName( event.target, "a" );
5316                         }
5317                 },
5318
5319                 beforeunload: {
5320                         postDispatch: function( event ) {
5321
5322                                 // Even when returnValue equals to undefined Firefox will still show alert
5323                                 if ( event.result !== undefined ) {
5324                                         event.originalEvent.returnValue = event.result;
5325                                 }
5326                         }
5327                 }
5328         },
5329
5330         simulate: function( type, elem, event, bubble ) {
5331                 // Piggyback on a donor event to simulate a different one.
5332                 // Fake originalEvent to avoid donor's stopPropagation, but if the
5333                 // simulated event prevents default then we do the same on the donor.
5334                 var e = jQuery.extend(
5335                         new jQuery.Event(),
5336                         event,
5337                         {
5338                                 type: type,
5339                                 isSimulated: true,
5340                                 originalEvent: {}
5341                         }
5342                 );
5343                 if ( bubble ) {
5344                         jQuery.event.trigger( e, null, elem );
5345                 } else {
5346                         jQuery.event.dispatch.call( elem, e );
5347                 }
5348                 if ( e.isDefaultPrevented() ) {
5349                         event.preventDefault();
5350                 }
5351         }
5352 };
5353
5354 jQuery.removeEvent = document.removeEventListener ?
5355         function( elem, type, handle ) {
5356                 if ( elem.removeEventListener ) {
5357                         elem.removeEventListener( type, handle, false );
5358                 }
5359         } :
5360         function( elem, type, handle ) {
5361                 var name = "on" + type;
5362
5363                 if ( elem.detachEvent ) {
5364
5365                         // #8545, #7054, preventing memory leaks for custom events in IE6-8
5366                         // detachEvent needed property on element, by name of that event, to properly expose it to GC
5367                         if ( typeof elem[ name ] === core_strundefined ) {
5368                                 elem[ name ] = null;
5369                         }
5370
5371                         elem.detachEvent( name, handle );
5372                 }
5373         };
5374
5375 jQuery.Event = function( src, props ) {
5376         // Allow instantiation without the 'new' keyword
5377         if ( !(this instanceof jQuery.Event) ) {
5378                 return new jQuery.Event( src, props );
5379         }
5380
5381         // Event object
5382         if ( src && src.type ) {
5383                 this.originalEvent = src;
5384                 this.type = src.type;
5385
5386                 // Events bubbling up the document may have been marked as prevented
5387                 // by a handler lower down the tree; reflect the correct value.
5388                 this.isDefaultPrevented = ( src.defaultPrevented || src.returnValue === false ||
5389                         src.getPreventDefault && src.getPreventDefault() ) ? returnTrue : returnFalse;
5390
5391         // Event type
5392         } else {
5393                 this.type = src;
5394         }
5395
5396         // Put explicitly provided properties onto the event object
5397         if ( props ) {
5398                 jQuery.extend( this, props );
5399         }
5400
5401         // Create a timestamp if incoming event doesn't have one
5402         this.timeStamp = src && src.timeStamp || jQuery.now();
5403
5404         // Mark it as fixed
5405         this[ jQuery.expando ] = true;
5406 };
5407
5408 // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
5409 // http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
5410 jQuery.Event.prototype = {
5411         isDefaultPrevented: returnFalse,
5412         isPropagationStopped: returnFalse,
5413         isImmediatePropagationStopped: returnFalse,
5414
5415         preventDefault: function() {
5416                 var e = this.originalEvent;
5417
5418                 this.isDefaultPrevented = returnTrue;
5419                 if ( !e ) {
5420                         return;
5421                 }
5422
5423                 // If preventDefault exists, run it on the original event
5424                 if ( e.preventDefault ) {
5425                         e.preventDefault();
5426
5427                 // Support: IE
5428                 // Otherwise set the returnValue property of the original event to false
5429                 } else {
5430                         e.returnValue = false;
5431                 }
5432         },
5433         stopPropagation: function() {
5434                 var e = this.originalEvent;
5435
5436                 this.isPropagationStopped = returnTrue;
5437                 if ( !e ) {
5438                         return;
5439                 }
5440                 // If stopPropagation exists, run it on the original event
5441                 if ( e.stopPropagation ) {
5442                         e.stopPropagation();
5443                 }
5444
5445                 // Support: IE
5446                 // Set the cancelBubble property of the original event to true
5447                 e.cancelBubble = true;
5448         },
5449         stopImmediatePropagation: function() {
5450                 this.isImmediatePropagationStopped = returnTrue;
5451                 this.stopPropagation();
5452         }
5453 };
5454
5455 // Create mouseenter/leave events using mouseover/out and event-time checks
5456 jQuery.each({
5457         mouseenter: "mouseover",
5458         mouseleave: "mouseout"
5459 }, function( orig, fix ) {
5460         jQuery.event.special[ orig ] = {
5461                 delegateType: fix,
5462                 bindType: fix,
5463
5464                 handle: function( event ) {
5465                         var ret,
5466                                 target = this,
5467                                 related = event.relatedTarget,
5468                                 handleObj = event.handleObj;
5469
5470                         // For mousenter/leave call the handler if related is outside the target.
5471                         // NB: No relatedTarget if the mouse left/entered the browser window
5472                         if ( !related || (related !== target && !jQuery.contains( target, related )) ) {
5473                                 event.type = handleObj.origType;
5474                                 ret = handleObj.handler.apply( this, arguments );
5475                                 event.type = fix;
5476                         }
5477                         return ret;
5478                 }
5479         };
5480 });
5481
5482 // IE submit delegation
5483 if ( !jQuery.support.submitBubbles ) {
5484
5485         jQuery.event.special.submit = {
5486                 setup: function() {
5487                         // Only need this for delegated form submit events
5488                         if ( jQuery.nodeName( this, "form" ) ) {
5489                                 return false;
5490                         }
5491
5492                         // Lazy-add a submit handler when a descendant form may potentially be submitted
5493                         jQuery.event.add( this, "click._submit keypress._submit", function( e ) {
5494                                 // Node name check avoids a VML-related crash in IE (#9807)
5495                                 var elem = e.target,
5496                                         form = jQuery.nodeName( elem, "input" ) || jQuery.nodeName( elem, "button" ) ? elem.form : undefined;
5497                                 if ( form && !jQuery._data( form, "submitBubbles" ) ) {
5498                                         jQuery.event.add( form, "submit._submit", function( event ) {
5499                                                 event._submit_bubble = true;
5500                                         });
5501                                         jQuery._data( form, "submitBubbles", true );
5502                                 }
5503                         });
5504                         // return undefined since we don't need an event listener
5505                 },
5506
5507                 postDispatch: function( event ) {
5508                         // If form was submitted by the user, bubble the event up the tree
5509                         if ( event._submit_bubble ) {
5510                                 delete event._submit_bubble;
5511                                 if ( this.parentNode && !event.isTrigger ) {
5512                                         jQuery.event.simulate( "submit", this.parentNode, event, true );
5513                                 }
5514                         }
5515                 },
5516
5517                 teardown: function() {
5518                         // Only need this for delegated form submit events
5519                         if ( jQuery.nodeName( this, "form" ) ) {
5520                                 return false;
5521                         }
5522
5523                         // Remove delegated handlers; cleanData eventually reaps submit handlers attached above
5524                         jQuery.event.remove( this, "._submit" );
5525                 }
5526         };
5527 }
5528
5529 // IE change delegation and checkbox/radio fix
5530 if ( !jQuery.support.changeBubbles ) {
5531
5532         jQuery.event.special.change = {
5533
5534                 setup: function() {
5535
5536                         if ( rformElems.test( this.nodeName ) ) {
5537                                 // IE doesn't fire change on a check/radio until blur; trigger it on click
5538                                 // after a propertychange. Eat the blur-change in special.change.handle.
5539                                 // This still fires onchange a second time for check/radio after blur.
5540                                 if ( this.type === "checkbox" || this.type === "radio" ) {
5541                                         jQuery.event.add( this, "propertychange._change", function( event ) {
5542                                                 if ( event.originalEvent.propertyName === "checked" ) {
5543                                                         this._just_changed = true;
5544                                                 }
5545                                         });
5546                                         jQuery.event.add( this, "click._change", function( event ) {
5547                                                 if ( this._just_changed && !event.isTrigger ) {
5548                                                         this._just_changed = false;
5549                                                 }
5550                                                 // Allow triggered, simulated change events (#11500)
5551                                                 jQuery.event.simulate( "change", this, event, true );
5552                                         });
5553                                 }
5554                                 return false;
5555                         }
5556                         // Delegated event; lazy-add a change handler on descendant inputs
5557                         jQuery.event.add( this, "beforeactivate._change", function( e ) {
5558                                 var elem = e.target;
5559
5560                                 if ( rformElems.test( elem.nodeName ) && !jQuery._data( elem, "changeBubbles" ) ) {
5561                                         jQuery.event.add( elem, "change._change", function( event ) {
5562                                                 if ( this.parentNode && !event.isSimulated && !event.isTrigger ) {
5563                                                         jQuery.event.simulate( "change", this.parentNode, event, true );
5564                                                 }
5565                                         });
5566                                         jQuery._data( elem, "changeBubbles", true );
5567                                 }
5568                         });
5569                 },
5570
5571                 handle: function( event ) {
5572                         var elem = event.target;
5573
5574                         // Swallow native change events from checkbox/radio, we already triggered them above
5575                         if ( this !== elem || event.isSimulated || event.isTrigger || (elem.type !== "radio" && elem.type !== "checkbox") ) {
5576                                 return event.handleObj.handler.apply( this, arguments );
5577                         }
5578                 },
5579
5580                 teardown: function() {
5581                         jQuery.event.remove( this, "._change" );
5582
5583                         return !rformElems.test( this.nodeName );
5584                 }
5585         };
5586 }
5587
5588 // Create "bubbling" focus and blur events
5589 if ( !jQuery.support.focusinBubbles ) {
5590         jQuery.each({ focus: "focusin", blur: "focusout" }, function( orig, fix ) {
5591
5592                 // Attach a single capturing handler while someone wants focusin/focusout
5593                 var attaches = 0,
5594                         handler = function( event ) {
5595                                 jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ), true );
5596                         };
5597
5598                 jQuery.event.special[ fix ] = {
5599                         setup: function() {
5600                                 if ( attaches++ === 0 ) {
5601                                         document.addEventListener( orig, handler, true );
5602                                 }
5603                         },
5604                         teardown: function() {
5605                                 if ( --attaches === 0 ) {
5606                                         document.removeEventListener( orig, handler, true );
5607                                 }
5608                         }
5609                 };
5610         });
5611 }
5612
5613 jQuery.fn.extend({
5614
5615         on: function( types, selector, data, fn, /*INTERNAL*/ one ) {
5616                 var type, origFn;
5617
5618                 // Types can be a map of types/handlers
5619                 if ( typeof types === "object" ) {
5620                         // ( types-Object, selector, data )
5621                         if ( typeof selector !== "string" ) {
5622                                 // ( types-Object, data )
5623                                 data = data || selector;
5624                                 selector = undefined;
5625                         }
5626                         for ( type in types ) {
5627                                 this.on( type, selector, data, types[ type ], one );
5628                         }
5629                         return this;
5630                 }
5631
5632                 if ( data == null && fn == null ) {
5633                         // ( types, fn )
5634                         fn = selector;
5635                         data = selector = undefined;
5636                 } else if ( fn == null ) {
5637                         if ( typeof selector === "string" ) {
5638                                 // ( types, selector, fn )
5639                                 fn = data;
5640                                 data = undefined;
5641                         } else {
5642                                 // ( types, data, fn )
5643                                 fn = data;
5644                                 data = selector;
5645                                 selector = undefined;
5646                         }
5647                 }
5648                 if ( fn === false ) {
5649                         fn = returnFalse;
5650                 } else if ( !fn ) {
5651                         return this;
5652                 }
5653
5654                 if ( one === 1 ) {
5655                         origFn = fn;
5656                         fn = function( event ) {
5657                                 // Can use an empty set, since event contains the info
5658                                 jQuery().off( event );
5659                                 return origFn.apply( this, arguments );
5660                         };
5661                         // Use same guid so caller can remove using origFn
5662                         fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
5663                 }
5664                 return this.each( function() {
5665                         jQuery.event.add( this, types, fn, data, selector );
5666                 });
5667         },
5668         one: function( types, selector, data, fn ) {
5669                 return this.on( types, selector, data, fn, 1 );
5670         },
5671         off: function( types, selector, fn ) {
5672                 var handleObj, type;
5673                 if ( types && types.preventDefault && types.handleObj ) {
5674                         // ( event )  dispatched jQuery.Event
5675                         handleObj = types.handleObj;
5676                         jQuery( types.delegateTarget ).off(
5677                                 handleObj.namespace ? handleObj.origType + "." + handleObj.namespace : handleObj.origType,
5678                                 handleObj.selector,
5679                                 handleObj.handler
5680                         );
5681                         return this;
5682                 }
5683                 if ( typeof types === "object" ) {
5684                         // ( types-object [, selector] )
5685                         for ( type in types ) {
5686                                 this.off( type, selector, types[ type ] );
5687                         }
5688                         return this;
5689                 }
5690                 if ( selector === false || typeof selector === "function" ) {
5691                         // ( types [, fn] )
5692                         fn = selector;
5693                         selector = undefined;
5694                 }
5695                 if ( fn === false ) {
5696                         fn = returnFalse;
5697                 }
5698                 return this.each(function() {
5699                         jQuery.event.remove( this, types, fn, selector );
5700                 });
5701         },
5702
5703         trigger: function( type, data ) {
5704                 return this.each(function() {
5705                         jQuery.event.trigger( type, data, this );
5706                 });
5707         },
5708         triggerHandler: function( type, data ) {
5709                 var elem = this[0];
5710                 if ( elem ) {
5711                         return jQuery.event.trigger( type, data, elem, true );
5712                 }
5713         }
5714 });
5715 var isSimple = /^.[^:#\[\.,]*$/,
5716         rparentsprev = /^(?:parents|prev(?:Until|All))/,
5717         rneedsContext = jQuery.expr.match.needsContext,
5718         // methods guaranteed to produce a unique set when starting from a unique set
5719         guaranteedUnique = {
5720                 children: true,
5721                 contents: true,
5722                 next: true,
5723                 prev: true
5724         };
5725
5726 jQuery.fn.extend({
5727         find: function( selector ) {
5728                 var i,
5729                         ret = [],
5730                         self = this,
5731                         len = self.length;
5732
5733                 if ( typeof selector !== "string" ) {
5734                         return this.pushStack( jQuery( selector ).filter(function() {
5735                                 for ( i = 0; i < len; i++ ) {
5736                                         if ( jQuery.contains( self[ i ], this ) ) {
5737                                                 return true;
5738                                         }
5739                                 }
5740                         }) );
5741                 }
5742
5743                 for ( i = 0; i < len; i++ ) {
5744                         jQuery.find( selector, self[ i ], ret );
5745                 }
5746
5747                 // Needed because $( selector, context ) becomes $( context ).find( selector )
5748                 ret = this.pushStack( len > 1 ? jQuery.unique( ret ) : ret );
5749                 ret.selector = this.selector ? this.selector + " " + selector : selector;
5750                 return ret;
5751         },
5752
5753         has: function( target ) {
5754                 var i,
5755                         targets = jQuery( target, this ),
5756                         len = targets.length;
5757
5758                 return this.filter(function() {
5759                         for ( i = 0; i < len; i++ ) {
5760                                 if ( jQuery.contains( this, targets[i] ) ) {
5761                                         return true;
5762                                 }
5763                         }
5764                 });
5765         },
5766
5767         not: function( selector ) {
5768                 return this.pushStack( winnow(this, selector || [], true) );
5769         },
5770
5771         filter: function( selector ) {
5772                 return this.pushStack( winnow(this, selector || [], false) );
5773         },
5774
5775         is: function( selector ) {
5776                 return !!winnow(
5777                         this,
5778
5779                         // If this is a positional/relative selector, check membership in the returned set
5780                         // so $("p:first").is("p:last") won't return true for a doc with two "p".
5781                         typeof selector === "string" && rneedsContext.test( selector ) ?
5782                                 jQuery( selector ) :
5783                                 selector || [],
5784                         false
5785                 ).length;
5786         },
5787
5788         closest: function( selectors, context ) {
5789                 var cur,
5790                         i = 0,
5791                         l = this.length,
5792                         ret = [],
5793                         pos = rneedsContext.test( selectors ) || typeof selectors !== "string" ?
5794                                 jQuery( selectors, context || this.context ) :
5795                                 0;
5796
5797                 for ( ; i < l; i++ ) {
5798                         for ( cur = this[i]; cur && cur !== context; cur = cur.parentNode ) {
5799                                 // Always skip document fragments
5800                                 if ( cur.nodeType < 11 && (pos ?
5801                                         pos.index(cur) > -1 :
5802
5803                                         // Don't pass non-elements to Sizzle
5804                                         cur.nodeType === 1 &&
5805                                                 jQuery.find.matchesSelector(cur, selectors)) ) {
5806
5807                                         cur = ret.push( cur );
5808                                         break;
5809                                 }
5810                         }
5811                 }
5812
5813                 return this.pushStack( ret.length > 1 ? jQuery.unique( ret ) : ret );
5814         },
5815
5816         // Determine the position of an element within
5817         // the matched set of elements
5818         index: function( elem ) {
5819
5820                 // No argument, return index in parent
5821                 if ( !elem ) {
5822                         return ( this[0] && this[0].parentNode ) ? this.first().prevAll().length : -1;
5823                 }
5824
5825                 // index in selector
5826                 if ( typeof elem === "string" ) {
5827                         return jQuery.inArray( this[0], jQuery( elem ) );
5828                 }
5829
5830                 // Locate the position of the desired element
5831                 return jQuery.inArray(
5832                         // If it receives a jQuery object, the first element is used
5833                         elem.jquery ? elem[0] : elem, this );
5834         },
5835
5836         add: function( selector, context ) {
5837                 var set = typeof selector === "string" ?
5838                                 jQuery( selector, context ) :
5839                                 jQuery.makeArray( selector && selector.nodeType ? [ selector ] : selector ),
5840                         all = jQuery.merge( this.get(), set );
5841
5842                 return this.pushStack( jQuery.unique(all) );
5843         },
5844
5845         addBack: function( selector ) {
5846                 return this.add( selector == null ?
5847                         this.prevObject : this.prevObject.filter(selector)
5848                 );
5849         }
5850 });
5851
5852 function sibling( cur, dir ) {
5853         do {
5854                 cur = cur[ dir ];
5855         } while ( cur && cur.nodeType !== 1 );
5856
5857         return cur;
5858 }
5859
5860 jQuery.each({
5861         parent: function( elem ) {
5862                 var parent = elem.parentNode;
5863                 return parent && parent.nodeType !== 11 ? parent : null;
5864         },
5865         parents: function( elem ) {
5866                 return jQuery.dir( elem, "parentNode" );
5867         },
5868         parentsUntil: function( elem, i, until ) {
5869                 return jQuery.dir( elem, "parentNode", until );
5870         },
5871         next: function( elem ) {
5872                 return sibling( elem, "nextSibling" );
5873         },
5874         prev: function( elem ) {
5875                 return sibling( elem, "previousSibling" );
5876         },
5877         nextAll: function( elem ) {
5878                 return jQuery.dir( elem, "nextSibling" );
5879         },
5880         prevAll: function( elem ) {
5881                 return jQuery.dir( elem, "previousSibling" );
5882         },
5883         nextUntil: function( elem, i, until ) {
5884                 return jQuery.dir( elem, "nextSibling", until );
5885         },
5886         prevUntil: function( elem, i, until ) {
5887                 return jQuery.dir( elem, "previousSibling", until );
5888         },
5889         siblings: function( elem ) {
5890                 return jQuery.sibling( ( elem.parentNode || {} ).firstChild, elem );
5891         },
5892         children: function( elem ) {
5893                 return jQuery.sibling( elem.firstChild );
5894         },
5895         contents: function( elem ) {
5896                 return jQuery.nodeName( elem, "iframe" ) ?
5897                         elem.contentDocument || elem.contentWindow.document :
5898                         jQuery.merge( [], elem.childNodes );
5899         }
5900 }, function( name, fn ) {
5901         jQuery.fn[ name ] = function( until, selector ) {
5902                 var ret = jQuery.map( this, fn, until );
5903
5904                 if ( name.slice( -5 ) !== "Until" ) {
5905                         selector = until;
5906                 }
5907
5908                 if ( selector && typeof selector === "string" ) {
5909                         ret = jQuery.filter( selector, ret );
5910                 }
5911
5912                 if ( this.length > 1 ) {
5913                         // Remove duplicates
5914                         if ( !guaranteedUnique[ name ] ) {
5915                                 ret = jQuery.unique( ret );
5916                         }
5917
5918                         // Reverse order for parents* and prev-derivatives
5919                         if ( rparentsprev.test( name ) ) {
5920                                 ret = ret.reverse();
5921                         }
5922                 }
5923
5924                 return this.pushStack( ret );
5925         };
5926 });
5927
5928 jQuery.extend({
5929         filter: function( expr, elems, not ) {
5930                 var elem = elems[ 0 ];
5931
5932                 if ( not ) {
5933                         expr = ":not(" + expr + ")";
5934                 }
5935
5936                 return elems.length === 1 && elem.nodeType === 1 ?
5937                         jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
5938                         jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
5939                                 return elem.nodeType === 1;
5940                         }));
5941         },
5942
5943         dir: function( elem, dir, until ) {
5944                 var matched = [],
5945                         cur = elem[ dir ];
5946
5947                 while ( cur && cur.nodeType !== 9 && (until === undefined || cur.nodeType !== 1 || !jQuery( cur ).is( until )) ) {
5948                         if ( cur.nodeType === 1 ) {
5949                                 matched.push( cur );
5950                         }
5951                         cur = cur[dir];
5952                 }
5953                 return matched;
5954         },
5955
5956         sibling: function( n, elem ) {
5957                 var r = [];
5958
5959                 for ( ; n; n = n.nextSibling ) {
5960                         if ( n.nodeType === 1 && n !== elem ) {
5961                                 r.push( n );
5962                         }
5963                 }
5964
5965                 return r;
5966         }
5967 });
5968
5969 // Implement the identical functionality for filter and not
5970 function winnow( elements, qualifier, not ) {
5971         if ( jQuery.isFunction( qualifier ) ) {
5972                 return jQuery.grep( elements, function( elem, i ) {
5973                         /* jshint -W018 */
5974                         return !!qualifier.call( elem, i, elem ) !== not;
5975                 });
5976
5977         }
5978
5979         if ( qualifier.nodeType ) {
5980                 return jQuery.grep( elements, function( elem ) {
5981                         return ( elem === qualifier ) !== not;
5982                 });
5983
5984         }
5985
5986         if ( typeof qualifier === "string" ) {
5987                 if ( isSimple.test( qualifier ) ) {
5988                         return jQuery.filter( qualifier, elements, not );
5989                 }
5990
5991                 qualifier = jQuery.filter( qualifier, elements );
5992         }
5993
5994         return jQuery.grep( elements, function( elem ) {
5995                 return ( jQuery.inArray( elem, qualifier ) >= 0 ) !== not;
5996         });
5997 }
5998 function createSafeFragment( document ) {
5999         var list = nodeNames.split( "|" ),
6000                 safeFrag = document.createDocumentFragment();
6001
6002         if ( safeFrag.createElement ) {
6003                 while ( list.length ) {
6004                         safeFrag.createElement(
6005                                 list.pop()
6006                         );
6007                 }
6008         }
6009         return safeFrag;
6010 }
6011
6012 var nodeNames = "abbr|article|aside|audio|bdi|canvas|data|datalist|details|figcaption|figure|footer|" +
6013                 "header|hgroup|mark|meter|nav|output|progress|section|summary|time|video",
6014         rinlinejQuery = / jQuery\d+="(?:null|\d+)"/g,
6015         rnoshimcache = new RegExp("<(?:" + nodeNames + ")[\\s/>]", "i"),
6016         rleadingWhitespace = /^\s+/,
6017         rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/gi,
6018         rtagName = /<([\w:]+)/,
6019         rtbody = /<tbody/i,
6020         rhtml = /<|&#?\w+;/,
6021         rnoInnerhtml = /<(?:script|style|link)/i,
6022         manipulation_rcheckableType = /^(?:checkbox|radio)$/i,
6023         // checked="checked" or checked
6024         rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
6025         rscriptType = /^$|\/(?:java|ecma)script/i,
6026         rscriptTypeMasked = /^true\/(.*)/,
6027         rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g,
6028
6029         // We have to close these tags to support XHTML (#13200)
6030         wrapMap = {
6031                 option: [ 1, "<select multiple='multiple'>", "</select>" ],
6032                 legend: [ 1, "<fieldset>", "</fieldset>" ],
6033                 area: [ 1, "<map>", "</map>" ],
6034                 param: [ 1, "<object>", "</object>" ],
6035                 thead: [ 1, "<table>", "</table>" ],
6036                 tr: [ 2, "<table><tbody>", "</tbody></table>" ],
6037                 col: [ 2, "<table><tbody></tbody><colgroup>", "</colgroup></table>" ],
6038                 td: [ 3, "<table><tbody><tr>", "</tr></tbody></table>" ],
6039
6040                 // IE6-8 can't serialize link, script, style, or any html5 (NoScope) tags,
6041                 // unless wrapped in a div with non-breaking characters in front of it.
6042                 _default: jQuery.support.htmlSerialize ? [ 0, "", "" ] : [ 1, "X<div>", "</div>"  ]
6043         },
6044         safeFragment = createSafeFragment( document ),
6045         fragmentDiv = safeFragment.appendChild( document.createElement("div") );
6046
6047 wrapMap.optgroup = wrapMap.option;
6048 wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
6049 wrapMap.th = wrapMap.td;
6050
6051 jQuery.fn.extend({
6052         text: function( value ) {
6053                 return jQuery.access( this, function( value ) {
6054                         return value === undefined ?
6055                                 jQuery.text( this ) :
6056                                 this.empty().append( ( this[0] && this[0].ownerDocument || document ).createTextNode( value ) );
6057                 }, null, value, arguments.length );
6058         },
6059
6060         append: function() {
6061                 return this.domManip( arguments, function( elem ) {
6062                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6063                                 var target = manipulationTarget( this, elem );
6064                                 target.appendChild( elem );
6065                         }
6066                 });
6067         },
6068
6069         prepend: function() {
6070                 return this.domManip( arguments, function( elem ) {
6071                         if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
6072                                 var target = manipulationTarget( this, elem );
6073                                 target.insertBefore( elem, target.firstChild );
6074                         }
6075                 });
6076         },
6077
6078         before: function() {
6079                 return this.domManip( arguments, function( elem ) {
6080                         if ( this.parentNode ) {
6081                                 this.parentNode.insertBefore( elem, this );
6082                         }
6083                 });
6084         },
6085
6086         after: function() {
6087                 return this.domManip( arguments, function( elem ) {
6088                         if ( this.parentNode ) {
6089                                 this.parentNode.insertBefore( elem, this.nextSibling );
6090                         }
6091                 });
6092         },
6093
6094         // keepData is for internal use only--do not document
6095         remove: function( selector, keepData ) {
6096                 var elem,
6097                         elems = selector ? jQuery.filter( selector, this ) : this,
6098                         i = 0;
6099
6100                 for ( ; (elem = elems[i]) != null; i++ ) {
6101
6102                         if ( !keepData && elem.nodeType === 1 ) {
6103                                 jQuery.cleanData( getAll( elem ) );
6104                         }
6105
6106                         if ( elem.parentNode ) {
6107                                 if ( keepData && jQuery.contains( elem.ownerDocument, elem ) ) {
6108                                         setGlobalEval( getAll( elem, "script" ) );
6109                                 }
6110                                 elem.parentNode.removeChild( elem );
6111                         }
6112                 }
6113
6114                 return this;
6115         },
6116
6117         empty: function() {
6118                 var elem,
6119                         i = 0;
6120
6121                 for ( ; (elem = this[i]) != null; i++ ) {
6122                         // Remove element nodes and prevent memory leaks
6123                         if ( elem.nodeType === 1 ) {
6124                                 jQuery.cleanData( getAll( elem, false ) );
6125                         }
6126
6127                         // Remove any remaining nodes
6128                         while ( elem.firstChild ) {
6129                                 elem.removeChild( elem.firstChild );
6130                         }
6131
6132                         // If this is a select, ensure that it displays empty (#12336)
6133                         // Support: IE<9
6134                         if ( elem.options && jQuery.nodeName( elem, "select" ) ) {
6135                                 elem.options.length = 0;
6136                         }
6137                 }
6138
6139                 return this;
6140         },
6141
6142         clone: function( dataAndEvents, deepDataAndEvents ) {
6143                 dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
6144                 deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
6145
6146                 return this.map( function () {
6147                         return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
6148                 });
6149         },
6150
6151         html: function( value ) {
6152                 return jQuery.access( this, function( value ) {
6153                         var elem = this[0] || {},
6154                                 i = 0,
6155                                 l = this.length;
6156
6157                         if ( value === undefined ) {
6158                                 return elem.nodeType === 1 ?
6159                                         elem.innerHTML.replace( rinlinejQuery, "" ) :
6160                                         undefined;
6161                         }
6162
6163                         // See if we can take a shortcut and just use innerHTML
6164                         if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
6165                                 ( jQuery.support.htmlSerialize || !rnoshimcache.test( value )  ) &&
6166                                 ( jQuery.support.leadingWhitespace || !rleadingWhitespace.test( value ) ) &&
6167                                 !wrapMap[ ( rtagName.exec( value ) || ["", ""] )[1].toLowerCase() ] ) {
6168
6169                                 value = value.replace( rxhtmlTag, "<$1></$2>" );
6170
6171                                 try {
6172                                         for (; i < l; i++ ) {
6173                                                 // Remove element nodes and prevent memory leaks
6174                                                 elem = this[i] || {};
6175                                                 if ( elem.nodeType === 1 ) {
6176                                                         jQuery.cleanData( getAll( elem, false ) );
6177                                                         elem.innerHTML = value;
6178                                                 }
6179                                         }
6180
6181                                         elem = 0;
6182
6183                                 // If using innerHTML throws an exception, use the fallback method
6184                                 } catch(e) {}
6185                         }
6186
6187                         if ( elem ) {
6188                                 this.empty().append( value );
6189                         }
6190                 }, null, value, arguments.length );
6191         },
6192
6193         replaceWith: function() {
6194                 var
6195                         // Snapshot the DOM in case .domManip sweeps something relevant into its fragment
6196                         args = jQuery.map( this, function( elem ) {
6197                                 return [ elem.nextSibling, elem.parentNode ];
6198                         }),
6199                         i = 0;
6200
6201                 // Make the changes, replacing each context element with the new content
6202                 this.domManip( arguments, function( elem ) {
6203                         var next = args[ i++ ],
6204                                 parent = args[ i++ ];
6205
6206                         if ( parent ) {
6207                                 // Don't use the snapshot next if it has moved (#13810)
6208                                 if ( next && next.parentNode !== parent ) {
6209                                         next = this.nextSibling;
6210                                 }
6211                                 jQuery( this ).remove();
6212                                 parent.insertBefore( elem, next );
6213                         }
6214                 // Allow new content to include elements from the context set
6215                 }, true );
6216
6217                 // Force removal if there was no new content (e.g., from empty arguments)
6218                 return i ? this : this.remove();
6219         },
6220
6221         detach: function( selector ) {
6222                 return this.remove( selector, true );
6223         },
6224
6225         domManip: function( args, callback, allowIntersection ) {
6226
6227                 // Flatten any nested arrays
6228                 args = core_concat.apply( [], args );
6229
6230                 var first, node, hasScripts,
6231                         scripts, doc, fragment,
6232                         i = 0,
6233                         l = this.length,
6234                         set = this,
6235                         iNoClone = l - 1,
6236                         value = args[0],
6237                         isFunction = jQuery.isFunction( value );
6238
6239                 // We can't cloneNode fragments that contain checked, in WebKit
6240                 if ( isFunction || !( l <= 1 || typeof value !== "string" || jQuery.support.checkClone || !rchecked.test( value ) ) ) {
6241                         return this.each(function( index ) {
6242                                 var self = set.eq( index );
6243                                 if ( isFunction ) {
6244                                         args[0] = value.call( this, index, self.html() );
6245                                 }
6246                                 self.domManip( args, callback, allowIntersection );
6247                         });
6248                 }
6249
6250                 if ( l ) {
6251                         fragment = jQuery.buildFragment( args, this[ 0 ].ownerDocument, false, !allowIntersection && this );
6252                         first = fragment.firstChild;
6253
6254                         if ( fragment.childNodes.length === 1 ) {
6255                                 fragment = first;
6256                         }
6257
6258                         if ( first ) {
6259                                 scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
6260                                 hasScripts = scripts.length;
6261
6262                                 // Use the original fragment for the last item instead of the first because it can end up
6263                                 // being emptied incorrectly in certain situations (#8070).
6264                                 for ( ; i < l; i++ ) {
6265                                         node = fragment;
6266
6267                                         if ( i !== iNoClone ) {
6268                                                 node = jQuery.clone( node, true, true );
6269
6270                                                 // Keep references to cloned scripts for later restoration
6271                                                 if ( hasScripts ) {
6272                                                         jQuery.merge( scripts, getAll( node, "script" ) );
6273                                                 }
6274                                         }
6275
6276                                         callback.call( this[i], node, i );
6277                                 }
6278
6279                                 if ( hasScripts ) {
6280                                         doc = scripts[ scripts.length - 1 ].ownerDocument;
6281
6282                                         // Reenable scripts
6283                                         jQuery.map( scripts, restoreScript );
6284
6285                                         // Evaluate executable scripts on first document insertion
6286                                         for ( i = 0; i < hasScripts; i++ ) {
6287                                                 node = scripts[ i ];
6288                                                 if ( rscriptType.test( node.type || "" ) &&
6289                                                         !jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
6290
6291                                                         if ( node.src ) {
6292                                                                 // Hope ajax is available...
6293                                                                 jQuery._evalUrl( node.src );
6294                                                         } else {
6295                                                                 jQuery.globalEval( ( node.text || node.textContent || node.innerHTML || "" ).replace( rcleanScript, "" ) );
6296                                                         }
6297                                                 }
6298                                         }
6299                                 }
6300
6301                                 // Fix #11809: Avoid leaking memory
6302                                 fragment = first = null;
6303                         }
6304                 }
6305
6306                 return this;
6307         }
6308 });
6309
6310 // Support: IE<8
6311 // Manipulating tables requires a tbody
6312 function manipulationTarget( elem, content ) {
6313         return jQuery.nodeName( elem, "table" ) &&
6314                 jQuery.nodeName( content.nodeType === 1 ? content : content.firstChild, "tr" ) ?
6315
6316                 elem.getElementsByTagName("tbody")[0] ||
6317                         elem.appendChild( elem.ownerDocument.createElement("tbody") ) :
6318                 elem;
6319 }
6320
6321 // Replace/restore the type attribute of script elements for safe DOM manipulation
6322 function disableScript( elem ) {
6323         elem.type = (jQuery.find.attr( elem, "type" ) !== null) + "/" + elem.type;
6324         return elem;
6325 }
6326 function restoreScript( elem ) {
6327         var match = rscriptTypeMasked.exec( elem.type );
6328         if ( match ) {
6329                 elem.type = match[1];
6330         } else {
6331                 elem.removeAttribute("type");
6332         }
6333         return elem;
6334 }
6335
6336 // Mark scripts as having already been evaluated
6337 function setGlobalEval( elems, refElements ) {
6338         var elem,
6339                 i = 0;
6340         for ( ; (elem = elems[i]) != null; i++ ) {
6341                 jQuery._data( elem, "globalEval", !refElements || jQuery._data( refElements[i], "globalEval" ) );
6342         }
6343 }
6344
6345 function cloneCopyEvent( src, dest ) {
6346
6347         if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
6348                 return;
6349         }
6350
6351         var type, i, l,
6352                 oldData = jQuery._data( src ),
6353                 curData = jQuery._data( dest, oldData ),
6354                 events = oldData.events;
6355
6356         if ( events ) {
6357                 delete curData.handle;
6358                 curData.events = {};
6359
6360                 for ( type in events ) {
6361                         for ( i = 0, l = events[ type ].length; i < l; i++ ) {
6362                                 jQuery.event.add( dest, type, events[ type ][ i ] );
6363                         }
6364                 }
6365         }
6366
6367         // make the cloned public data object a copy from the original
6368         if ( curData.data ) {
6369                 curData.data = jQuery.extend( {}, curData.data );
6370         }
6371 }
6372
6373 function fixCloneNodeIssues( src, dest ) {
6374         var nodeName, e, data;
6375
6376         // We do not need to do anything for non-Elements
6377         if ( dest.nodeType !== 1 ) {
6378                 return;
6379         }
6380
6381         nodeName = dest.nodeName.toLowerCase();
6382
6383         // IE6-8 copies events bound via attachEvent when using cloneNode.
6384         if ( !jQuery.support.noCloneEvent && dest[ jQuery.expando ] ) {
6385                 data = jQuery._data( dest );
6386
6387                 for ( e in data.events ) {
6388                         jQuery.removeEvent( dest, e, data.handle );
6389                 }
6390
6391                 // Event data gets referenced instead of copied if the expando gets copied too
6392                 dest.removeAttribute( jQuery.expando );
6393         }
6394
6395         // IE blanks contents when cloning scripts, and tries to evaluate newly-set text
6396         if ( nodeName === "script" && dest.text !== src.text ) {
6397                 disableScript( dest ).text = src.text;
6398                 restoreScript( dest );
6399
6400         // IE6-10 improperly clones children of object elements using classid.
6401         // IE10 throws NoModificationAllowedError if parent is null, #12132.
6402         } else if ( nodeName === "object" ) {
6403                 if ( dest.parentNode ) {
6404                         dest.outerHTML = src.outerHTML;
6405                 }
6406
6407                 // This path appears unavoidable for IE9. When cloning an object
6408                 // element in IE9, the outerHTML strategy above is not sufficient.
6409                 // If the src has innerHTML and the destination does not,
6410                 // copy the src.innerHTML into the dest.innerHTML. #10324
6411                 if ( jQuery.support.html5Clone && ( src.innerHTML && !jQuery.trim(dest.innerHTML) ) ) {
6412                         dest.innerHTML = src.innerHTML;
6413                 }
6414
6415         } else if ( nodeName === "input" && manipulation_rcheckableType.test( src.type ) ) {
6416                 // IE6-8 fails to persist the checked state of a cloned checkbox
6417                 // or radio button. Worse, IE6-7 fail to give the cloned element
6418                 // a checked appearance if the defaultChecked value isn't also set
6419
6420                 dest.defaultChecked = dest.checked = src.checked;
6421
6422                 // IE6-7 get confused and end up setting the value of a cloned
6423                 // checkbox/radio button to an empty string instead of "on"
6424                 if ( dest.value !== src.value ) {
6425                         dest.value = src.value;
6426                 }
6427
6428         // IE6-8 fails to return the selected option to the default selected
6429         // state when cloning options
6430         } else if ( nodeName === "option" ) {
6431                 dest.defaultSelected = dest.selected = src.defaultSelected;
6432
6433         // IE6-8 fails to set the defaultValue to the correct value when
6434         // cloning other types of input fields
6435         } else if ( nodeName === "input" || nodeName === "textarea" ) {
6436                 dest.defaultValue = src.defaultValue;
6437         }
6438 }
6439
6440 jQuery.each({
6441         appendTo: "append",
6442         prependTo: "prepend",
6443         insertBefore: "before",
6444         insertAfter: "after",
6445         replaceAll: "replaceWith"
6446 }, function( name, original ) {
6447         jQuery.fn[ name ] = function( selector ) {
6448                 var elems,
6449                         i = 0,
6450                         ret = [],
6451                         insert = jQuery( selector ),
6452                         last = insert.length - 1;
6453
6454                 for ( ; i <= last; i++ ) {
6455                         elems = i === last ? this : this.clone(true);
6456                         jQuery( insert[i] )[ original ]( elems );
6457
6458                         // Modern browsers can apply jQuery collections as arrays, but oldIE needs a .get()
6459                         core_push.apply( ret, elems.get() );
6460                 }
6461
6462                 return this.pushStack( ret );
6463         };
6464 });
6465
6466 function getAll( context, tag ) {
6467         var elems, elem,
6468                 i = 0,
6469                 found = typeof context.getElementsByTagName !== core_strundefined ? context.getElementsByTagName( tag || "*" ) :
6470                         typeof context.querySelectorAll !== core_strundefined ? context.querySelectorAll( tag || "*" ) :
6471                         undefined;
6472
6473         if ( !found ) {
6474                 for ( found = [], elems = context.childNodes || context; (elem = elems[i]) != null; i++ ) {
6475                         if ( !tag || jQuery.nodeName( elem, tag ) ) {
6476                                 found.push( elem );
6477                         } else {
6478                                 jQuery.merge( found, getAll( elem, tag ) );
6479                         }
6480                 }
6481         }
6482
6483         return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
6484                 jQuery.merge( [ context ], found ) :
6485                 found;
6486 }
6487
6488 // Used in buildFragment, fixes the defaultChecked property
6489 function fixDefaultChecked( elem ) {
6490         if ( manipulation_rcheckableType.test( elem.type ) ) {
6491                 elem.defaultChecked = elem.checked;
6492         }
6493 }
6494
6495 jQuery.extend({
6496         clone: function( elem, dataAndEvents, deepDataAndEvents ) {
6497                 var destElements, node, clone, i, srcElements,
6498                         inPage = jQuery.contains( elem.ownerDocument, elem );
6499
6500                 if ( jQuery.support.html5Clone || jQuery.isXMLDoc(elem) || !rnoshimcache.test( "<" + elem.nodeName + ">" ) ) {
6501                         clone = elem.cloneNode( true );
6502
6503                 // IE<=8 does not properly clone detached, unknown element nodes
6504                 } else {
6505                         fragmentDiv.innerHTML = elem.outerHTML;
6506                         fragmentDiv.removeChild( clone = fragmentDiv.firstChild );
6507                 }
6508
6509                 if ( (!jQuery.support.noCloneEvent || !jQuery.support.noCloneChecked) &&
6510                                 (elem.nodeType === 1 || elem.nodeType === 11) && !jQuery.isXMLDoc(elem) ) {
6511
6512                         // We eschew Sizzle here for performance reasons: http://jsperf.com/getall-vs-sizzle/2
6513                         destElements = getAll( clone );
6514                         srcElements = getAll( elem );
6515
6516                         // Fix all IE cloning issues
6517                         for ( i = 0; (node = srcElements[i]) != null; ++i ) {
6518                                 // Ensure that the destination node is not null; Fixes #9587
6519                                 if ( destElements[i] ) {
6520                                         fixCloneNodeIssues( node, destElements[i] );
6521                                 }
6522                         }
6523                 }
6524
6525                 // Copy the events from the original to the clone
6526                 if ( dataAndEvents ) {
6527                         if ( deepDataAndEvents ) {
6528                                 srcElements = srcElements || getAll( elem );
6529                                 destElements = destElements || getAll( clone );
6530
6531                                 for ( i = 0; (node = srcElements[i]) != null; i++ ) {
6532                                         cloneCopyEvent( node, destElements[i] );
6533                                 }
6534                         } else {
6535                                 cloneCopyEvent( elem, clone );
6536                         }
6537                 }
6538
6539                 // Preserve script evaluation history
6540                 destElements = getAll( clone, "script" );
6541                 if ( destElements.length > 0 ) {
6542                         setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
6543                 }
6544
6545                 destElements = srcElements = node = null;
6546
6547                 // Return the cloned set
6548                 return clone;
6549         },
6550
6551         buildFragment: function( elems, context, scripts, selection ) {
6552                 var j, elem, contains,
6553                         tmp, tag, tbody, wrap,
6554                         l = elems.length,
6555
6556                         // Ensure a safe fragment
6557                         safe = createSafeFragment( context ),
6558
6559                         nodes = [],
6560                         i = 0;
6561
6562                 for ( ; i < l; i++ ) {
6563                         elem = elems[ i ];
6564
6565                         if ( elem || elem === 0 ) {
6566
6567                                 // Add nodes directly
6568                                 if ( jQuery.type( elem ) === "object" ) {
6569                                         jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
6570
6571                                 // Convert non-html into a text node
6572                                 } else if ( !rhtml.test( elem ) ) {
6573                                         nodes.push( context.createTextNode( elem ) );
6574
6575                                 // Convert html into DOM nodes
6576                                 } else {
6577                                         tmp = tmp || safe.appendChild( context.createElement("div") );
6578
6579                                         // Deserialize a standard representation
6580                                         tag = ( rtagName.exec( elem ) || ["", ""] )[1].toLowerCase();
6581                                         wrap = wrapMap[ tag ] || wrapMap._default;
6582
6583                                         tmp.innerHTML = wrap[1] + elem.replace( rxhtmlTag, "<$1></$2>" ) + wrap[2];
6584
6585                                         // Descend through wrappers to the right content
6586                                         j = wrap[0];
6587                                         while ( j-- ) {
6588                                                 tmp = tmp.lastChild;
6589                                         }
6590
6591                                         // Manually add leading whitespace removed by IE
6592                                         if ( !jQuery.support.leadingWhitespace && rleadingWhitespace.test( elem ) ) {
6593                                                 nodes.push( context.createTextNode( rleadingWhitespace.exec( elem )[0] ) );
6594                                         }
6595
6596                                         // Remove IE's autoinserted <tbody> from table fragments
6597                                         if ( !jQuery.support.tbody ) {
6598
6599                                                 // String was a <table>, *may* have spurious <tbody>
6600                                                 elem = tag === "table" && !rtbody.test( elem ) ?
6601                                                         tmp.firstChild :
6602
6603                                                         // String was a bare <thead> or <tfoot>
6604                                                         wrap[1] === "<table>" && !rtbody.test( elem ) ?
6605                                                                 tmp :
6606                                                                 0;
6607
6608                                                 j = elem && elem.childNodes.length;
6609                                                 while ( j-- ) {
6610                                                         if ( jQuery.nodeName( (tbody = elem.childNodes[j]), "tbody" ) && !tbody.childNodes.length ) {
6611                                                                 elem.removeChild( tbody );
6612                                                         }
6613                                                 }
6614                                         }
6615
6616                                         jQuery.merge( nodes, tmp.childNodes );
6617
6618                                         // Fix #12392 for WebKit and IE > 9
6619                                         tmp.textContent = "";
6620
6621                                         // Fix #12392 for oldIE
6622                                         while ( tmp.firstChild ) {
6623                                                 tmp.removeChild( tmp.firstChild );
6624                                         }
6625
6626                                         // Remember the top-level container for proper cleanup
6627                                         tmp = safe.lastChild;
6628                                 }
6629                         }
6630                 }
6631
6632                 // Fix #11356: Clear elements from fragment
6633                 if ( tmp ) {
6634                         safe.removeChild( tmp );
6635                 }
6636
6637                 // Reset defaultChecked for any radios and checkboxes
6638                 // about to be appended to the DOM in IE 6/7 (#8060)
6639                 if ( !jQuery.support.appendChecked ) {
6640                         jQuery.grep( getAll( nodes, "input" ), fixDefaultChecked );
6641                 }
6642
6643                 i = 0;
6644                 while ( (elem = nodes[ i++ ]) ) {
6645
6646                         // #4087 - If origin and destination elements are the same, and this is
6647                         // that element, do not do anything
6648                         if ( selection && jQuery.inArray( elem, selection ) !== -1 ) {
6649                                 continue;
6650                         }
6651
6652                         contains = jQuery.contains( elem.ownerDocument, elem );
6653
6654                         // Append to fragment
6655                         tmp = getAll( safe.appendChild( elem ), "script" );
6656
6657                         // Preserve script evaluation history
6658                         if ( contains ) {
6659                                 setGlobalEval( tmp );
6660                         }
6661
6662                         // Capture executables
6663                         if ( scripts ) {
6664                                 j = 0;
6665                                 while ( (elem = tmp[ j++ ]) ) {
6666                                         if ( rscriptType.test( elem.type || "" ) ) {
6667                                                 scripts.push( elem );
6668                                         }
6669                                 }
6670                         }
6671                 }
6672
6673                 tmp = null;
6674
6675                 return safe;
6676         },
6677
6678         cleanData: function( elems, /* internal */ acceptData ) {
6679                 var elem, type, id, data,
6680                         i = 0,
6681                         internalKey = jQuery.expando,
6682                         cache = jQuery.cache,
6683                         deleteExpando = jQuery.support.deleteExpando,
6684                         special = jQuery.event.special;
6685
6686                 for ( ; (elem = elems[i]) != null; i++ ) {
6687
6688                         if ( acceptData || jQuery.acceptData( elem ) ) {
6689
6690                                 id = elem[ internalKey ];
6691                                 data = id && cache[ id ];
6692
6693                                 if ( data ) {
6694                                         if ( data.events ) {
6695                                                 for ( type in data.events ) {
6696                                                         if ( special[ type ] ) {
6697                                                                 jQuery.event.remove( elem, type );
6698
6699                                                         // This is a shortcut to avoid jQuery.event.remove's overhead
6700                                                         } else {
6701                                                                 jQuery.removeEvent( elem, type, data.handle );
6702                                                         }
6703                                                 }
6704                                         }
6705
6706                                         // Remove cache only if it was not already removed by jQuery.event.remove
6707                                         if ( cache[ id ] ) {
6708
6709                                                 delete cache[ id ];
6710
6711                                                 // IE does not allow us to delete expando properties from nodes,
6712                                                 // nor does it have a removeAttribute function on Document nodes;
6713                                                 // we must handle all of these cases
6714                                                 if ( deleteExpando ) {
6715                                                         delete elem[ internalKey ];
6716
6717                                                 } else if ( typeof elem.removeAttribute !== core_strundefined ) {
6718                                                         elem.removeAttribute( internalKey );
6719
6720                                                 } else {
6721                                                         elem[ internalKey ] = null;
6722                                                 }
6723
6724                                                 core_deletedIds.push( id );
6725                                         }
6726                                 }
6727                         }
6728                 }
6729         },
6730
6731         _evalUrl: function( url ) {
6732                 return jQuery.ajax({
6733                         url: url,
6734                         type: "GET",
6735                         dataType: "script",
6736                         async: false,
6737                         global: false,
6738                         "throws": true
6739                 });
6740         }
6741 });
6742 jQuery.fn.extend({
6743         wrapAll: function( html ) {
6744                 if ( jQuery.isFunction( html ) ) {
6745                         return this.each(function(i) {
6746                                 jQuery(this).wrapAll( html.call(this, i) );
6747                         });
6748                 }
6749
6750                 if ( this[0] ) {
6751                         // The elements to wrap the target around
6752                         var wrap = jQuery( html, this[0].ownerDocument ).eq(0).clone(true);
6753
6754                         if ( this[0].parentNode ) {
6755                                 wrap.insertBefore( this[0] );
6756                         }
6757
6758                         wrap.map(function() {
6759                                 var elem = this;
6760
6761                                 while ( elem.firstChild && elem.firstChild.nodeType === 1 ) {
6762                                         elem = elem.firstChild;
6763                                 }
6764
6765                                 return elem;
6766                         }).append( this );
6767                 }
6768
6769                 return this;
6770         },
6771
6772         wrapInner: function( html ) {
6773                 if ( jQuery.isFunction( html ) ) {
6774                         return this.each(function(i) {
6775                                 jQuery(this).wrapInner( html.call(this, i) );
6776                         });
6777                 }
6778
6779                 return this.each(function() {
6780                         var self = jQuery( this ),
6781                                 contents = self.contents();
6782
6783                         if ( contents.length ) {
6784                                 contents.wrapAll( html );
6785
6786                         } else {
6787                                 self.append( html );
6788                         }
6789                 });
6790         },
6791
6792         wrap: function( html ) {
6793                 var isFunction = jQuery.isFunction( html );
6794
6795                 return this.each(function(i) {
6796                         jQuery( this ).wrapAll( isFunction ? html.call(this, i) : html );
6797                 });
6798         },
6799
6800         unwrap: function() {
6801                 return this.parent().each(function() {
6802                         if ( !jQuery.nodeName( this, "body" ) ) {
6803                                 jQuery( this ).replaceWith( this.childNodes );
6804                         }
6805                 }).end();
6806         }
6807 });
6808 var iframe, getStyles, curCSS,
6809         ralpha = /alpha\([^)]*\)/i,
6810         ropacity = /opacity\s*=\s*([^)]*)/,
6811         rposition = /^(top|right|bottom|left)$/,
6812         // swappable if display is none or starts with table except "table", "table-cell", or "table-caption"
6813         // see here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
6814         rdisplayswap = /^(none|table(?!-c[ea]).+)/,
6815         rmargin = /^margin/,
6816         rnumsplit = new RegExp( "^(" + core_pnum + ")(.*)$", "i" ),
6817         rnumnonpx = new RegExp( "^(" + core_pnum + ")(?!px)[a-z%]+$", "i" ),
6818         rrelNum = new RegExp( "^([+-])=(" + core_pnum + ")", "i" ),
6819         elemdisplay = { BODY: "block" },
6820
6821         cssShow = { position: "absolute", visibility: "hidden", display: "block" },
6822         cssNormalTransform = {
6823                 letterSpacing: 0,
6824                 fontWeight: 400
6825         },
6826
6827         cssExpand = [ "Top", "Right", "Bottom", "Left" ],
6828         cssPrefixes = [ "Webkit", "O", "Moz", "ms" ];
6829
6830 // return a css property mapped to a potentially vendor prefixed property
6831 function vendorPropName( style, name ) {
6832
6833         // shortcut for names that are not vendor prefixed
6834         if ( name in style ) {
6835                 return name;
6836         }
6837
6838         // check for vendor prefixed names
6839         var capName = name.charAt(0).toUpperCase() + name.slice(1),
6840                 origName = name,
6841                 i = cssPrefixes.length;
6842
6843         while ( i-- ) {
6844                 name = cssPrefixes[ i ] + capName;
6845                 if ( name in style ) {
6846                         return name;
6847                 }
6848         }
6849
6850         return origName;
6851 }
6852
6853 function isHidden( elem, el ) {
6854         // isHidden might be called from jQuery#filter function;
6855         // in that case, element will be second argument
6856         elem = el || elem;
6857         return jQuery.css( elem, "display" ) === "none" || !jQuery.contains( elem.ownerDocument, elem );
6858 }
6859
6860 function showHide( elements, show ) {
6861         var display, elem, hidden,
6862                 values = [],
6863                 index = 0,
6864                 length = elements.length;
6865
6866         for ( ; index < length; index++ ) {
6867                 elem = elements[ index ];
6868                 if ( !elem.style ) {
6869                         continue;
6870                 }
6871
6872                 values[ index ] = jQuery._data( elem, "olddisplay" );
6873                 display = elem.style.display;
6874                 if ( show ) {
6875                         // Reset the inline display of this element to learn if it is
6876                         // being hidden by cascaded rules or not
6877                         if ( !values[ index ] && display === "none" ) {
6878                                 elem.style.display = "";
6879                         }
6880
6881                         // Set elements which have been overridden with display: none
6882                         // in a stylesheet to whatever the default browser style is
6883                         // for such an element
6884                         if ( elem.style.display === "" && isHidden( elem ) ) {
6885                                 values[ index ] = jQuery._data( elem, "olddisplay", css_defaultDisplay(elem.nodeName) );
6886                         }
6887                 } else {
6888
6889                         if ( !values[ index ] ) {
6890                                 hidden = isHidden( elem );
6891
6892                                 if ( display && display !== "none" || !hidden ) {
6893                                         jQuery._data( elem, "olddisplay", hidden ? display : jQuery.css( elem, "display" ) );
6894                                 }
6895                         }
6896                 }
6897         }
6898
6899         // Set the display of most of the elements in a second loop
6900         // to avoid the constant reflow
6901         for ( index = 0; index < length; index++ ) {
6902                 elem = elements[ index ];
6903                 if ( !elem.style ) {
6904                         continue;
6905                 }
6906                 if ( !show || elem.style.display === "none" || elem.style.display === "" ) {
6907                         elem.style.display = show ? values[ index ] || "" : "none";
6908                 }
6909         }
6910
6911         return elements;
6912 }
6913
6914 jQuery.fn.extend({
6915         css: function( name, value ) {
6916                 return jQuery.access( this, function( elem, name, value ) {
6917                         var len, styles,
6918                                 map = {},
6919                                 i = 0;
6920
6921                         if ( jQuery.isArray( name ) ) {
6922                                 styles = getStyles( elem );
6923                                 len = name.length;
6924
6925                                 for ( ; i < len; i++ ) {
6926                                         map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
6927                                 }
6928
6929                                 return map;
6930                         }
6931
6932                         return value !== undefined ?
6933                                 jQuery.style( elem, name, value ) :
6934                                 jQuery.css( elem, name );
6935                 }, name, value, arguments.length > 1 );
6936         },
6937         show: function() {
6938                 return showHide( this, true );
6939         },
6940         hide: function() {
6941                 return showHide( this );
6942         },
6943         toggle: function( state ) {
6944                 if ( typeof state === "boolean" ) {
6945                         return state ? this.show() : this.hide();
6946                 }
6947
6948                 return this.each(function() {
6949                         if ( isHidden( this ) ) {
6950                                 jQuery( this ).show();
6951                         } else {
6952                                 jQuery( this ).hide();
6953                         }
6954                 });
6955         }
6956 });
6957
6958 jQuery.extend({
6959         // Add in style property hooks for overriding the default
6960         // behavior of getting and setting a style property
6961         cssHooks: {
6962                 opacity: {
6963                         get: function( elem, computed ) {
6964                                 if ( computed ) {
6965                                         // We should always get a number back from opacity
6966                                         var ret = curCSS( elem, "opacity" );
6967                                         return ret === "" ? "1" : ret;
6968                                 }
6969                         }
6970                 }
6971         },
6972
6973         // Don't automatically add "px" to these possibly-unitless properties
6974         cssNumber: {
6975                 "columnCount": true,
6976                 "fillOpacity": true,
6977                 "fontWeight": true,
6978                 "lineHeight": true,
6979                 "opacity": true,
6980                 "order": true,
6981                 "orphans": true,
6982                 "widows": true,
6983                 "zIndex": true,
6984                 "zoom": true
6985         },
6986
6987         // Add in properties whose names you wish to fix before
6988         // setting or getting the value
6989         cssProps: {
6990                 // normalize float css property
6991                 "float": jQuery.support.cssFloat ? "cssFloat" : "styleFloat"
6992         },
6993
6994         // Get and set the style property on a DOM Node
6995         style: function( elem, name, value, extra ) {
6996                 // Don't set styles on text and comment nodes
6997                 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
6998                         return;
6999                 }
7000
7001                 // Make sure that we're working with the right name
7002                 var ret, type, hooks,
7003                         origName = jQuery.camelCase( name ),
7004                         style = elem.style;
7005
7006                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( style, origName ) );
7007
7008                 // gets hook for the prefixed version
7009                 // followed by the unprefixed version
7010                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
7011
7012                 // Check if we're setting a value
7013                 if ( value !== undefined ) {
7014                         type = typeof value;
7015
7016                         // convert relative number strings (+= or -=) to relative numbers. #7345
7017                         if ( type === "string" && (ret = rrelNum.exec( value )) ) {
7018                                 value = ( ret[1] + 1 ) * ret[2] + parseFloat( jQuery.css( elem, name ) );
7019                                 // Fixes bug #9237
7020                                 type = "number";
7021                         }
7022
7023                         // Make sure that NaN and null values aren't set. See: #7116
7024                         if ( value == null || type === "number" && isNaN( value ) ) {
7025                                 return;
7026                         }
7027
7028                         // If a number was passed in, add 'px' to the (except for certain CSS properties)
7029                         if ( type === "number" && !jQuery.cssNumber[ origName ] ) {
7030                                 value += "px";
7031                         }
7032
7033                         // Fixes #8908, it can be done more correctly by specifing setters in cssHooks,
7034                         // but it would mean to define eight (for every problematic property) identical functions
7035                         if ( !jQuery.support.clearCloneStyle && value === "" && name.indexOf("background") === 0 ) {
7036                                 style[ name ] = "inherit";
7037                         }
7038
7039                         // If a hook was provided, use that value, otherwise just set the specified value
7040                         if ( !hooks || !("set" in hooks) || (value = hooks.set( elem, value, extra )) !== undefined ) {
7041
7042                                 // Wrapped to prevent IE from throwing errors when 'invalid' values are provided
7043                                 // Fixes bug #5509
7044                                 try {
7045                                         style[ name ] = value;
7046                                 } catch(e) {}
7047                         }
7048
7049                 } else {
7050                         // If a hook was provided get the non-computed value from there
7051                         if ( hooks && "get" in hooks && (ret = hooks.get( elem, false, extra )) !== undefined ) {
7052                                 return ret;
7053                         }
7054
7055                         // Otherwise just get the value from the style object
7056                         return style[ name ];
7057                 }
7058         },
7059
7060         css: function( elem, name, extra, styles ) {
7061                 var num, val, hooks,
7062                         origName = jQuery.camelCase( name );
7063
7064                 // Make sure that we're working with the right name
7065                 name = jQuery.cssProps[ origName ] || ( jQuery.cssProps[ origName ] = vendorPropName( elem.style, origName ) );
7066
7067                 // gets hook for the prefixed version
7068                 // followed by the unprefixed version
7069                 hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
7070
7071                 // If a hook was provided get the computed value from there
7072                 if ( hooks && "get" in hooks ) {
7073                         val = hooks.get( elem, true, extra );
7074                 }
7075
7076                 // Otherwise, if a way to get the computed value exists, use that
7077                 if ( val === undefined ) {
7078                         val = curCSS( elem, name, styles );
7079                 }
7080
7081                 //convert "normal" to computed value
7082                 if ( val === "normal" && name in cssNormalTransform ) {
7083                         val = cssNormalTransform[ name ];
7084                 }
7085
7086                 // Return, converting to number if forced or a qualifier was provided and val looks numeric
7087                 if ( extra === "" || extra ) {
7088                         num = parseFloat( val );
7089                         return extra === true || jQuery.isNumeric( num ) ? num || 0 : val;
7090                 }
7091                 return val;
7092         }
7093 });
7094
7095 // NOTE: we've included the "window" in window.getComputedStyle
7096 // because jsdom on node.js will break without it.
7097 if ( window.getComputedStyle ) {
7098         getStyles = function( elem ) {
7099                 return window.getComputedStyle( elem, null );
7100         };
7101
7102         curCSS = function( elem, name, _computed ) {
7103                 var width, minWidth, maxWidth,
7104                         computed = _computed || getStyles( elem ),
7105
7106                         // getPropertyValue is only needed for .css('filter') in IE9, see #12537
7107                         ret = computed ? computed.getPropertyValue( name ) || computed[ name ] : undefined,
7108                         style = elem.style;
7109
7110                 if ( computed ) {
7111
7112                         if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
7113                                 ret = jQuery.style( elem, name );
7114                         }
7115
7116                         // A tribute to the "awesome hack by Dean Edwards"
7117                         // Chrome < 17 and Safari 5.0 uses "computed value" instead of "used value" for margin-right
7118                         // Safari 5.1.7 (at least) returns percentage for a larger set of values, but width seems to be reliably pixels
7119                         // this is against the CSSOM draft spec: http://dev.w3.org/csswg/cssom/#resolved-values
7120                         if ( rnumnonpx.test( ret ) && rmargin.test( name ) ) {
7121
7122                                 // Remember the original values
7123                                 width = style.width;
7124                                 minWidth = style.minWidth;
7125                                 maxWidth = style.maxWidth;
7126
7127                                 // Put in the new values to get a computed value out
7128                                 style.minWidth = style.maxWidth = style.width = ret;
7129                                 ret = computed.width;
7130
7131                                 // Revert the changed values
7132                                 style.width = width;
7133                                 style.minWidth = minWidth;
7134                                 style.maxWidth = maxWidth;
7135                         }
7136                 }
7137
7138                 return ret;
7139         };
7140 } else if ( document.documentElement.currentStyle ) {
7141         getStyles = function( elem ) {
7142                 return elem.currentStyle;
7143         };
7144
7145         curCSS = function( elem, name, _computed ) {
7146                 var left, rs, rsLeft,
7147                         computed = _computed || getStyles( elem ),
7148                         ret = computed ? computed[ name ] : undefined,
7149                         style = elem.style;
7150
7151                 // Avoid setting ret to empty string here
7152                 // so we don't default to auto
7153                 if ( ret == null && style && style[ name ] ) {
7154                         ret = style[ name ];
7155                 }
7156
7157                 // From the awesome hack by Dean Edwards
7158                 // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
7159
7160                 // If we're not dealing with a regular pixel number
7161                 // but a number that has a weird ending, we need to convert it to pixels
7162                 // but not position css attributes, as those are proportional to the parent element instead
7163                 // and we can't measure the parent instead because it might trigger a "stacking dolls" problem
7164                 if ( rnumnonpx.test( ret ) && !rposition.test( name ) ) {
7165
7166                         // Remember the original values
7167                         left = style.left;
7168                         rs = elem.runtimeStyle;
7169                         rsLeft = rs && rs.left;
7170
7171                         // Put in the new values to get a computed value out
7172                         if ( rsLeft ) {
7173                                 rs.left = elem.currentStyle.left;
7174                         }
7175                         style.left = name === "fontSize" ? "1em" : ret;
7176                         ret = style.pixelLeft + "px";
7177
7178                         // Revert the changed values
7179                         style.left = left;
7180                         if ( rsLeft ) {
7181                                 rs.left = rsLeft;
7182                         }
7183                 }
7184
7185                 return ret === "" ? "auto" : ret;
7186         };
7187 }
7188
7189 function setPositiveNumber( elem, value, subtract ) {
7190         var matches = rnumsplit.exec( value );
7191         return matches ?
7192                 // Guard against undefined "subtract", e.g., when used as in cssHooks
7193                 Math.max( 0, matches[ 1 ] - ( subtract || 0 ) ) + ( matches[ 2 ] || "px" ) :
7194                 value;
7195 }
7196
7197 function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
7198         var i = extra === ( isBorderBox ? "border" : "content" ) ?
7199                 // If we already have the right measurement, avoid augmentation
7200                 4 :
7201                 // Otherwise initialize for horizontal or vertical properties
7202                 name === "width" ? 1 : 0,
7203
7204                 val = 0;
7205
7206         for ( ; i < 4; i += 2 ) {
7207                 // both box models exclude margin, so add it if we want it
7208                 if ( extra === "margin" ) {
7209                         val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
7210                 }
7211
7212                 if ( isBorderBox ) {
7213                         // border-box includes padding, so remove it if we want content
7214                         if ( extra === "content" ) {
7215                                 val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
7216                         }
7217
7218                         // at this point, extra isn't border nor margin, so remove border
7219                         if ( extra !== "margin" ) {
7220                                 val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
7221                         }
7222                 } else {
7223                         // at this point, extra isn't content, so add padding
7224                         val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
7225
7226                         // at this point, extra isn't content nor padding, so add border
7227                         if ( extra !== "padding" ) {
7228                                 val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
7229                         }
7230                 }
7231         }
7232
7233         return val;
7234 }
7235
7236 function getWidthOrHeight( elem, name, extra ) {
7237
7238         // Start with offset property, which is equivalent to the border-box value
7239         var valueIsBorderBox = true,
7240                 val = name === "width" ? elem.offsetWidth : elem.offsetHeight,
7241                 styles = getStyles( elem ),
7242                 isBorderBox = jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
7243
7244         // some non-html elements return undefined for offsetWidth, so check for null/undefined
7245         // svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
7246         // MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
7247         if ( val <= 0 || val == null ) {
7248                 // Fall back to computed then uncomputed css if necessary
7249                 val = curCSS( elem, name, styles );
7250                 if ( val < 0 || val == null ) {
7251                         val = elem.style[ name ];
7252                 }
7253
7254                 // Computed unit is not pixels. Stop here and return.
7255                 if ( rnumnonpx.test(val) ) {
7256                         return val;
7257                 }
7258
7259                 // we need the check for style in case a browser which returns unreliable values
7260                 // for getComputedStyle silently falls back to the reliable elem.style
7261                 valueIsBorderBox = isBorderBox && ( jQuery.support.boxSizingReliable || val === elem.style[ name ] );
7262
7263                 // Normalize "", auto, and prepare for extra
7264                 val = parseFloat( val ) || 0;
7265         }
7266
7267         // use the active box-sizing model to add/subtract irrelevant styles
7268         return ( val +
7269                 augmentWidthOrHeight(
7270                         elem,
7271                         name,
7272                         extra || ( isBorderBox ? "border" : "content" ),
7273                         valueIsBorderBox,
7274                         styles
7275                 )
7276         ) + "px";
7277 }
7278
7279 // Try to determine the default display value of an element
7280 function css_defaultDisplay( nodeName ) {
7281         var doc = document,
7282                 display = elemdisplay[ nodeName ];
7283
7284         if ( !display ) {
7285                 display = actualDisplay( nodeName, doc );
7286
7287                 // If the simple way fails, read from inside an iframe
7288                 if ( display === "none" || !display ) {
7289                         // Use the already-created iframe if possible
7290                         iframe = ( iframe ||
7291                                 jQuery("<iframe frameborder='0' width='0' height='0'/>")
7292                                 .css( "cssText", "display:block !important" )
7293                         ).appendTo( doc.documentElement );
7294
7295                         // Always write a new HTML skeleton so Webkit and Firefox don't choke on reuse
7296                         doc = ( iframe[0].contentWindow || iframe[0].contentDocument ).document;
7297                         doc.write("<!doctype html><html><body>");
7298                         doc.close();
7299
7300                         display = actualDisplay( nodeName, doc );
7301                         iframe.detach();
7302                 }
7303
7304                 // Store the correct default display
7305                 elemdisplay[ nodeName ] = display;
7306         }
7307
7308         return display;
7309 }
7310
7311 // Called ONLY from within css_defaultDisplay
7312 function actualDisplay( name, doc ) {
7313         var elem = jQuery( doc.createElement( name ) ).appendTo( doc.body ),
7314                 display = jQuery.css( elem[0], "display" );
7315         elem.remove();
7316         return display;
7317 }
7318
7319 jQuery.each([ "height", "width" ], function( i, name ) {
7320         jQuery.cssHooks[ name ] = {
7321                 get: function( elem, computed, extra ) {
7322                         if ( computed ) {
7323                                 // certain elements can have dimension info if we invisibly show them
7324                                 // however, it must have a current display style that would benefit from this
7325                                 return elem.offsetWidth === 0 && rdisplayswap.test( jQuery.css( elem, "display" ) ) ?
7326                                         jQuery.swap( elem, cssShow, function() {
7327                                                 return getWidthOrHeight( elem, name, extra );
7328                                         }) :
7329                                         getWidthOrHeight( elem, name, extra );
7330                         }
7331                 },
7332
7333                 set: function( elem, value, extra ) {
7334                         var styles = extra && getStyles( elem );
7335                         return setPositiveNumber( elem, value, extra ?
7336                                 augmentWidthOrHeight(
7337                                         elem,
7338                                         name,
7339                                         extra,
7340                                         jQuery.support.boxSizing && jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
7341                                         styles
7342                                 ) : 0
7343                         );
7344                 }
7345         };
7346 });
7347
7348 if ( !jQuery.support.opacity ) {
7349         jQuery.cssHooks.opacity = {
7350                 get: function( elem, computed ) {
7351                         // IE uses filters for opacity
7352                         return ropacity.test( (computed && elem.currentStyle ? elem.currentStyle.filter : elem.style.filter) || "" ) ?
7353                                 ( 0.01 * parseFloat( RegExp.$1 ) ) + "" :
7354                                 computed ? "1" : "";
7355                 },
7356
7357                 set: function( elem, value ) {
7358                         var style = elem.style,
7359                                 currentStyle = elem.currentStyle,
7360                                 opacity = jQuery.isNumeric( value ) ? "alpha(opacity=" + value * 100 + ")" : "",
7361                                 filter = currentStyle && currentStyle.filter || style.filter || "";
7362
7363                         // IE has trouble with opacity if it does not have layout
7364                         // Force it by setting the zoom level
7365                         style.zoom = 1;
7366
7367                         // if setting opacity to 1, and no other filters exist - attempt to remove filter attribute #6652
7368                         // if value === "", then remove inline opacity #12685
7369                         if ( ( value >= 1 || value === "" ) &&
7370                                         jQuery.trim( filter.replace( ralpha, "" ) ) === "" &&
7371                                         style.removeAttribute ) {
7372
7373                                 // Setting style.filter to null, "" & " " still leave "filter:" in the cssText
7374                                 // if "filter:" is present at all, clearType is disabled, we want to avoid this
7375                                 // style.removeAttribute is IE Only, but so apparently is this code path...
7376                                 style.removeAttribute( "filter" );
7377
7378                                 // if there is no filter style applied in a css rule or unset inline opacity, we are done
7379                                 if ( value === "" || currentStyle && !currentStyle.filter ) {
7380                                         return;
7381                                 }
7382                         }
7383
7384                         // otherwise, set new filter values
7385                         style.filter = ralpha.test( filter ) ?
7386                                 filter.replace( ralpha, opacity ) :
7387                                 filter + " " + opacity;
7388                 }
7389         };
7390 }
7391
7392 // These hooks cannot be added until DOM ready because the support test
7393 // for it is not run until after DOM ready
7394 jQuery(function() {
7395         if ( !jQuery.support.reliableMarginRight ) {
7396                 jQuery.cssHooks.marginRight = {
7397                         get: function( elem, computed ) {
7398                                 if ( computed ) {
7399                                         // WebKit Bug 13343 - getComputedStyle returns wrong value for margin-right
7400                                         // Work around by temporarily setting element display to inline-block
7401                                         return jQuery.swap( elem, { "display": "inline-block" },
7402                                                 curCSS, [ elem, "marginRight" ] );
7403                                 }
7404                         }
7405                 };
7406         }
7407
7408         // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
7409         // getComputedStyle returns percent when specified for top/left/bottom/right
7410         // rather than make the css module depend on the offset module, we just check for it here
7411         if ( !jQuery.support.pixelPosition && jQuery.fn.position ) {
7412                 jQuery.each( [ "top", "left" ], function( i, prop ) {
7413                         jQuery.cssHooks[ prop ] = {
7414                                 get: function( elem, computed ) {
7415                                         if ( computed ) {
7416                                                 computed = curCSS( elem, prop );
7417                                                 // if curCSS returns percentage, fallback to offset
7418                                                 return rnumnonpx.test( computed ) ?
7419                                                         jQuery( elem ).position()[ prop ] + "px" :
7420                                                         computed;
7421                                         }
7422                                 }
7423                         };
7424                 });
7425         }
7426
7427 });
7428
7429 if ( jQuery.expr && jQuery.expr.filters ) {
7430         jQuery.expr.filters.hidden = function( elem ) {
7431                 // Support: Opera <= 12.12
7432                 // Opera reports offsetWidths and offsetHeights less than zero on some elements
7433                 return elem.offsetWidth <= 0 && elem.offsetHeight <= 0 ||
7434                         (!jQuery.support.reliableHiddenOffsets && ((elem.style && elem.style.display) || jQuery.css( elem, "display" )) === "none");
7435         };
7436
7437         jQuery.expr.filters.visible = function( elem ) {
7438                 return !jQuery.expr.filters.hidden( elem );
7439         };
7440 }
7441
7442 // These hooks are used by animate to expand properties
7443 jQuery.each({
7444         margin: "",
7445         padding: "",
7446         border: "Width"
7447 }, function( prefix, suffix ) {
7448         jQuery.cssHooks[ prefix + suffix ] = {
7449                 expand: function( value ) {
7450                         var i = 0,
7451                                 expanded = {},
7452
7453                                 // assumes a single number if not a string
7454                                 parts = typeof value === "string" ? value.split(" ") : [ value ];
7455
7456                         for ( ; i < 4; i++ ) {
7457                                 expanded[ prefix + cssExpand[ i ] + suffix ] =
7458                                         parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
7459                         }
7460
7461                         return expanded;
7462                 }
7463         };
7464
7465         if ( !rmargin.test( prefix ) ) {
7466                 jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
7467         }
7468 });
7469 var r20 = /%20/g,
7470         rbracket = /\[\]$/,
7471         rCRLF = /\r?\n/g,
7472         rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
7473         rsubmittable = /^(?:input|select|textarea|keygen)/i;
7474
7475 jQuery.fn.extend({
7476         serialize: function() {
7477                 return jQuery.param( this.serializeArray() );
7478         },
7479         serializeArray: function() {
7480                 return this.map(function(){
7481                         // Can add propHook for "elements" to filter or add form elements
7482                         var elements = jQuery.prop( this, "elements" );
7483                         return elements ? jQuery.makeArray( elements ) : this;
7484                 })
7485                 .filter(function(){
7486                         var type = this.type;
7487                         // Use .is(":disabled") so that fieldset[disabled] works
7488                         return this.name && !jQuery( this ).is( ":disabled" ) &&
7489                                 rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
7490                                 ( this.checked || !manipulation_rcheckableType.test( type ) );
7491                 })
7492                 .map(function( i, elem ){
7493                         var val = jQuery( this ).val();
7494
7495                         return val == null ?
7496                                 null :
7497                                 jQuery.isArray( val ) ?
7498                                         jQuery.map( val, function( val ){
7499                                                 return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7500                                         }) :
7501                                         { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
7502                 }).get();
7503         }
7504 });
7505
7506 //Serialize an array of form elements or a set of
7507 //key/values into a query string
7508 jQuery.param = function( a, traditional ) {
7509         var prefix,
7510                 s = [],
7511                 add = function( key, value ) {
7512                         // If value is a function, invoke it and return its value
7513                         value = jQuery.isFunction( value ) ? value() : ( value == null ? "" : value );
7514                         s[ s.length ] = encodeURIComponent( key ) + "=" + encodeURIComponent( value );
7515                 };
7516
7517         // Set traditional to true for jQuery <= 1.3.2 behavior.
7518         if ( traditional === undefined ) {
7519                 traditional = jQuery.ajaxSettings && jQuery.ajaxSettings.traditional;
7520         }
7521
7522         // If an array was passed in, assume that it is an array of form elements.
7523         if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
7524                 // Serialize the form elements
7525                 jQuery.each( a, function() {
7526                         add( this.name, this.value );
7527                 });
7528
7529         } else {
7530                 // If traditional, encode the "old" way (the way 1.3.2 or older
7531                 // did it), otherwise encode params recursively.
7532                 for ( prefix in a ) {
7533                         buildParams( prefix, a[ prefix ], traditional, add );
7534                 }
7535         }
7536
7537         // Return the resulting serialization
7538         return s.join( "&" ).replace( r20, "+" );
7539 };
7540
7541 function buildParams( prefix, obj, traditional, add ) {
7542         var name;
7543
7544         if ( jQuery.isArray( obj ) ) {
7545                 // Serialize array item.
7546                 jQuery.each( obj, function( i, v ) {
7547                         if ( traditional || rbracket.test( prefix ) ) {
7548                                 // Treat each array item as a scalar.
7549                                 add( prefix, v );
7550
7551                         } else {
7552                                 // Item is non-scalar (array or object), encode its numeric index.
7553                                 buildParams( prefix + "[" + ( typeof v === "object" ? i : "" ) + "]", v, traditional, add );
7554                         }
7555                 });
7556
7557         } else if ( !traditional && jQuery.type( obj ) === "object" ) {
7558                 // Serialize object item.
7559                 for ( name in obj ) {
7560                         buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
7561                 }
7562
7563         } else {
7564                 // Serialize scalar item.
7565                 add( prefix, obj );
7566         }
7567 }
7568 jQuery.each( ("blur focus focusin focusout load resize scroll unload click dblclick " +
7569         "mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave " +
7570         "change select submit keydown keypress keyup error contextmenu").split(" "), function( i, name ) {
7571
7572         // Handle event binding
7573         jQuery.fn[ name ] = function( data, fn ) {
7574                 return arguments.length > 0 ?
7575                         this.on( name, null, data, fn ) :
7576                         this.trigger( name );
7577         };
7578 });
7579
7580 jQuery.fn.extend({
7581         hover: function( fnOver, fnOut ) {
7582                 return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
7583         },
7584
7585         bind: function( types, data, fn ) {
7586                 return this.on( types, null, data, fn );
7587         },
7588         unbind: function( types, fn ) {
7589                 return this.off( types, null, fn );
7590         },
7591
7592         delegate: function( selector, types, data, fn ) {
7593                 return this.on( types, selector, data, fn );
7594         },
7595         undelegate: function( selector, types, fn ) {
7596                 // ( namespace ) or ( selector, types [, fn] )
7597                 return arguments.length === 1 ? this.off( selector, "**" ) : this.off( types, selector || "**", fn );
7598         }
7599 });
7600 var
7601         // Document location
7602         ajaxLocParts,
7603         ajaxLocation,
7604         ajax_nonce = jQuery.now(),
7605
7606         ajax_rquery = /\?/,
7607         rhash = /#.*$/,
7608         rts = /([?&])_=[^&]*/,
7609         rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
7610         // #7653, #8125, #8152: local protocol detection
7611         rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
7612         rnoContent = /^(?:GET|HEAD)$/,
7613         rprotocol = /^\/\//,
7614         rurl = /^([\w.+-]+:)(?:\/\/([^\/?#:]*)(?::(\d+)|)|)/,
7615
7616         // Keep a copy of the old load method
7617         _load = jQuery.fn.load,
7618
7619         /* Prefilters
7620          * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
7621          * 2) These are called:
7622          *    - BEFORE asking for a transport
7623          *    - AFTER param serialization (s.data is a string if s.processData is true)
7624          * 3) key is the dataType
7625          * 4) the catchall symbol "*" can be used
7626          * 5) execution will start with transport dataType and THEN continue down to "*" if needed
7627          */
7628         prefilters = {},
7629
7630         /* Transports bindings
7631          * 1) key is the dataType
7632          * 2) the catchall symbol "*" can be used
7633          * 3) selection will start with transport dataType and THEN go to "*" if needed
7634          */
7635         transports = {},
7636
7637         // Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
7638         allTypes = "*/".concat("*");
7639
7640 // #8138, IE may throw an exception when accessing
7641 // a field from window.location if document.domain has been set
7642 try {
7643         ajaxLocation = location.href;
7644 } catch( e ) {
7645         // Use the href attribute of an A element
7646         // since IE will modify it given document.location
7647         ajaxLocation = document.createElement( "a" );
7648         ajaxLocation.href = "";
7649         ajaxLocation = ajaxLocation.href;
7650 }
7651
7652 // Segment location into parts
7653 ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
7654
7655 // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
7656 function addToPrefiltersOrTransports( structure ) {
7657
7658         // dataTypeExpression is optional and defaults to "*"
7659         return function( dataTypeExpression, func ) {
7660
7661                 if ( typeof dataTypeExpression !== "string" ) {
7662                         func = dataTypeExpression;
7663                         dataTypeExpression = "*";
7664                 }
7665
7666                 var dataType,
7667                         i = 0,
7668                         dataTypes = dataTypeExpression.toLowerCase().match( core_rnotwhite ) || [];
7669
7670                 if ( jQuery.isFunction( func ) ) {
7671                         // For each dataType in the dataTypeExpression
7672                         while ( (dataType = dataTypes[i++]) ) {
7673                                 // Prepend if requested
7674                                 if ( dataType[0] === "+" ) {
7675                                         dataType = dataType.slice( 1 ) || "*";
7676                                         (structure[ dataType ] = structure[ dataType ] || []).unshift( func );
7677
7678                                 // Otherwise append
7679                                 } else {
7680                                         (structure[ dataType ] = structure[ dataType ] || []).push( func );
7681                                 }
7682                         }
7683                 }
7684         };
7685 }
7686
7687 // Base inspection function for prefilters and transports
7688 function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
7689
7690         var inspected = {},
7691                 seekingTransport = ( structure === transports );
7692
7693         function inspect( dataType ) {
7694                 var selected;
7695                 inspected[ dataType ] = true;
7696                 jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
7697                         var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
7698                         if( typeof dataTypeOrTransport === "string" && !seekingTransport && !inspected[ dataTypeOrTransport ] ) {
7699                                 options.dataTypes.unshift( dataTypeOrTransport );
7700                                 inspect( dataTypeOrTransport );
7701                                 return false;
7702                         } else if ( seekingTransport ) {
7703                                 return !( selected = dataTypeOrTransport );
7704                         }
7705                 });
7706                 return selected;
7707         }
7708
7709         return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
7710 }
7711
7712 // A special extend for ajax options
7713 // that takes "flat" options (not to be deep extended)
7714 // Fixes #9887
7715 function ajaxExtend( target, src ) {
7716         var deep, key,
7717                 flatOptions = jQuery.ajaxSettings.flatOptions || {};
7718
7719         for ( key in src ) {
7720                 if ( src[ key ] !== undefined ) {
7721                         ( flatOptions[ key ] ? target : ( deep || (deep = {}) ) )[ key ] = src[ key ];
7722                 }
7723         }
7724         if ( deep ) {
7725                 jQuery.extend( true, target, deep );
7726         }
7727
7728         return target;
7729 }
7730
7731 jQuery.fn.load = function( url, params, callback ) {
7732         if ( typeof url !== "string" && _load ) {
7733                 return _load.apply( this, arguments );
7734         }
7735
7736         var selector, response, type,
7737                 self = this,
7738                 off = url.indexOf(" ");
7739
7740         if ( off >= 0 ) {
7741                 selector = url.slice( off, url.length );
7742                 url = url.slice( 0, off );
7743         }
7744
7745         // If it's a function
7746         if ( jQuery.isFunction( params ) ) {
7747
7748                 // We assume that it's the callback
7749                 callback = params;
7750                 params = undefined;
7751
7752         // Otherwise, build a param string
7753         } else if ( params && typeof params === "object" ) {
7754                 type = "POST";
7755         }
7756
7757         // If we have elements to modify, make the request
7758         if ( self.length > 0 ) {
7759                 jQuery.ajax({
7760                         url: url,
7761
7762                         // if "type" variable is undefined, then "GET" method will be used
7763                         type: type,
7764                         dataType: "html",
7765                         data: params
7766                 }).done(function( responseText ) {
7767
7768                         // Save response for use in complete callback
7769                         response = arguments;
7770
7771                         self.html( selector ?
7772
7773                                 // If a selector was specified, locate the right elements in a dummy div
7774                                 // Exclude scripts to avoid IE 'Permission Denied' errors
7775                                 jQuery("<div>").append( jQuery.parseHTML( responseText ) ).find( selector ) :
7776
7777                                 // Otherwise use the full result
7778                                 responseText );
7779
7780                 }).complete( callback && function( jqXHR, status ) {
7781                         self.each( callback, response || [ jqXHR.responseText, status, jqXHR ] );
7782                 });
7783         }
7784
7785         return this;
7786 };
7787
7788 // Attach a bunch of functions for handling common AJAX events
7789 jQuery.each( [ "ajaxStart", "ajaxStop", "ajaxComplete", "ajaxError", "ajaxSuccess", "ajaxSend" ], function( i, type ){
7790         jQuery.fn[ type ] = function( fn ){
7791                 return this.on( type, fn );
7792         };
7793 });
7794
7795 jQuery.extend({
7796
7797         // Counter for holding the number of active queries
7798         active: 0,
7799
7800         // Last-Modified header cache for next request
7801         lastModified: {},
7802         etag: {},
7803
7804         ajaxSettings: {
7805                 url: ajaxLocation,
7806                 type: "GET",
7807                 isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
7808                 global: true,
7809                 processData: true,
7810                 async: true,
7811                 contentType: "application/x-www-form-urlencoded; charset=UTF-8",
7812                 /*
7813                 timeout: 0,
7814                 data: null,
7815                 dataType: null,
7816                 username: null,
7817                 password: null,
7818                 cache: null,
7819                 throws: false,
7820                 traditional: false,
7821                 headers: {},
7822                 */
7823
7824                 accepts: {
7825                         "*": allTypes,
7826                         text: "text/plain",
7827                         html: "text/html",
7828                         xml: "application/xml, text/xml",
7829                         json: "application/json, text/javascript"
7830                 },
7831
7832                 contents: {
7833                         xml: /xml/,
7834                         html: /html/,
7835                         json: /json/
7836                 },
7837
7838                 responseFields: {
7839                         xml: "responseXML",
7840                         text: "responseText",
7841                         json: "responseJSON"
7842                 },
7843
7844                 // Data converters
7845                 // Keys separate source (or catchall "*") and destination types with a single space
7846                 converters: {
7847
7848                         // Convert anything to text
7849                         "* text": String,
7850
7851                         // Text to html (true = no transformation)
7852                         "text html": true,
7853
7854                         // Evaluate text as a json expression
7855                         "text json": jQuery.parseJSON,
7856
7857                         // Parse text as xml
7858                         "text xml": jQuery.parseXML
7859                 },
7860
7861                 // For options that shouldn't be deep extended:
7862                 // you can add your own custom options here if
7863                 // and when you create one that shouldn't be
7864                 // deep extended (see ajaxExtend)
7865                 flatOptions: {
7866                         url: true,
7867                         context: true
7868                 }
7869         },
7870
7871         // Creates a full fledged settings object into target
7872         // with both ajaxSettings and settings fields.
7873         // If target is omitted, writes into ajaxSettings.
7874         ajaxSetup: function( target, settings ) {
7875                 return settings ?
7876
7877                         // Building a settings object
7878                         ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
7879
7880                         // Extending ajaxSettings
7881                         ajaxExtend( jQuery.ajaxSettings, target );
7882         },
7883
7884         ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
7885         ajaxTransport: addToPrefiltersOrTransports( transports ),
7886
7887         // Main method
7888         ajax: function( url, options ) {
7889
7890                 // If url is an object, simulate pre-1.5 signature
7891                 if ( typeof url === "object" ) {
7892                         options = url;
7893                         url = undefined;
7894                 }
7895
7896                 // Force options to be an object
7897                 options = options || {};
7898
7899                 var // Cross-domain detection vars
7900                         parts,
7901                         // Loop variable
7902                         i,
7903                         // URL without anti-cache param
7904                         cacheURL,
7905                         // Response headers as string
7906                         responseHeadersString,
7907                         // timeout handle
7908                         timeoutTimer,
7909
7910                         // To know if global events are to be dispatched
7911                         fireGlobals,
7912
7913                         transport,
7914                         // Response headers
7915                         responseHeaders,
7916                         // Create the final options object
7917                         s = jQuery.ajaxSetup( {}, options ),
7918                         // Callbacks context
7919                         callbackContext = s.context || s,
7920                         // Context for global events is callbackContext if it is a DOM node or jQuery collection
7921                         globalEventContext = s.context && ( callbackContext.nodeType || callbackContext.jquery ) ?
7922                                 jQuery( callbackContext ) :
7923                                 jQuery.event,
7924                         // Deferreds
7925                         deferred = jQuery.Deferred(),
7926                         completeDeferred = jQuery.Callbacks("once memory"),
7927                         // Status-dependent callbacks
7928                         statusCode = s.statusCode || {},
7929                         // Headers (they are sent all at once)
7930                         requestHeaders = {},
7931                         requestHeadersNames = {},
7932                         // The jqXHR state
7933                         state = 0,
7934                         // Default abort message
7935                         strAbort = "canceled",
7936                         // Fake xhr
7937                         jqXHR = {
7938                                 readyState: 0,
7939
7940                                 // Builds headers hashtable if needed
7941                                 getResponseHeader: function( key ) {
7942                                         var match;
7943                                         if ( state === 2 ) {
7944                                                 if ( !responseHeaders ) {
7945                                                         responseHeaders = {};
7946                                                         while ( (match = rheaders.exec( responseHeadersString )) ) {
7947                                                                 responseHeaders[ match[1].toLowerCase() ] = match[ 2 ];
7948                                                         }
7949                                                 }
7950                                                 match = responseHeaders[ key.toLowerCase() ];
7951                                         }
7952                                         return match == null ? null : match;
7953                                 },
7954
7955                                 // Raw string
7956                                 getAllResponseHeaders: function() {
7957                                         return state === 2 ? responseHeadersString : null;
7958                                 },
7959
7960                                 // Caches the header
7961                                 setRequestHeader: function( name, value ) {
7962                                         var lname = name.toLowerCase();
7963                                         if ( !state ) {
7964                                                 name = requestHeadersNames[ lname ] = requestHeadersNames[ lname ] || name;
7965                                                 requestHeaders[ name ] = value;
7966                                         }
7967                                         return this;
7968                                 },
7969
7970                                 // Overrides response content-type header
7971                                 overrideMimeType: function( type ) {
7972                                         if ( !state ) {
7973                                                 s.mimeType = type;
7974                                         }
7975                                         return this;
7976                                 },
7977
7978                                 // Status-dependent callbacks
7979                                 statusCode: function( map ) {
7980                                         var code;
7981                                         if ( map ) {
7982                                                 if ( state < 2 ) {
7983                                                         for ( code in map ) {
7984                                                                 // Lazy-add the new callback in a way that preserves old ones
7985                                                                 statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
7986                                                         }
7987                                                 } else {
7988                                                         // Execute the appropriate callbacks
7989                                                         jqXHR.always( map[ jqXHR.status ] );
7990                                                 }
7991                                         }
7992                                         return this;
7993                                 },
7994
7995                                 // Cancel the request
7996                                 abort: function( statusText ) {
7997                                         var finalText = statusText || strAbort;
7998                                         if ( transport ) {
7999                                                 transport.abort( finalText );
8000                                         }
8001                                         done( 0, finalText );
8002                                         return this;
8003                                 }
8004                         };
8005
8006                 // Attach deferreds
8007                 deferred.promise( jqXHR ).complete = completeDeferred.add;
8008                 jqXHR.success = jqXHR.done;
8009                 jqXHR.error = jqXHR.fail;
8010
8011                 // Remove hash character (#7531: and string promotion)
8012                 // Add protocol if not provided (#5866: IE7 issue with protocol-less urls)
8013                 // Handle falsy url in the settings object (#10093: consistency with old signature)
8014                 // We also use the url parameter if available
8015                 s.url = ( ( url || s.url || ajaxLocation ) + "" ).replace( rhash, "" ).replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
8016
8017                 // Alias method option to type as per ticket #12004
8018                 s.type = options.method || options.type || s.method || s.type;
8019
8020                 // Extract dataTypes list
8021                 s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( core_rnotwhite ) || [""];
8022
8023                 // A cross-domain request is in order when we have a protocol:host:port mismatch
8024                 if ( s.crossDomain == null ) {
8025                         parts = rurl.exec( s.url.toLowerCase() );
8026                         s.crossDomain = !!( parts &&
8027                                 ( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
8028                                         ( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
8029                                                 ( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
8030                         );
8031                 }
8032
8033                 // Convert data if not already a string
8034                 if ( s.data && s.processData && typeof s.data !== "string" ) {
8035                         s.data = jQuery.param( s.data, s.traditional );
8036                 }
8037
8038                 // Apply prefilters
8039                 inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
8040
8041                 // If request was aborted inside a prefilter, stop there
8042                 if ( state === 2 ) {
8043                         return jqXHR;
8044                 }
8045
8046                 // We can fire global events as of now if asked to
8047                 fireGlobals = s.global;
8048
8049                 // Watch for a new set of requests
8050                 if ( fireGlobals && jQuery.active++ === 0 ) {
8051                         jQuery.event.trigger("ajaxStart");
8052                 }
8053
8054                 // Uppercase the type
8055                 s.type = s.type.toUpperCase();
8056
8057                 // Determine if request has content
8058                 s.hasContent = !rnoContent.test( s.type );
8059
8060                 // Save the URL in case we're toying with the If-Modified-Since
8061                 // and/or If-None-Match header later on
8062                 cacheURL = s.url;
8063
8064                 // More options handling for requests with no content
8065                 if ( !s.hasContent ) {
8066
8067                         // If data is available, append data to url
8068                         if ( s.data ) {
8069                                 cacheURL = ( s.url += ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + s.data );
8070                                 // #9682: remove data so that it's not used in an eventual retry
8071                                 delete s.data;
8072                         }
8073
8074                         // Add anti-cache in url if needed
8075                         if ( s.cache === false ) {
8076                                 s.url = rts.test( cacheURL ) ?
8077
8078                                         // If there is already a '_' parameter, set its value
8079                                         cacheURL.replace( rts, "$1_=" + ajax_nonce++ ) :
8080
8081                                         // Otherwise add one to the end
8082                                         cacheURL + ( ajax_rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ajax_nonce++;
8083                         }
8084                 }
8085
8086                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8087                 if ( s.ifModified ) {
8088                         if ( jQuery.lastModified[ cacheURL ] ) {
8089                                 jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
8090                         }
8091                         if ( jQuery.etag[ cacheURL ] ) {
8092                                 jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
8093                         }
8094                 }
8095
8096                 // Set the correct header, if data is being sent
8097                 if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
8098                         jqXHR.setRequestHeader( "Content-Type", s.contentType );
8099                 }
8100
8101                 // Set the Accepts header for the server, depending on the dataType
8102                 jqXHR.setRequestHeader(
8103                         "Accept",
8104                         s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[0] ] ?
8105                                 s.accepts[ s.dataTypes[0] ] + ( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
8106                                 s.accepts[ "*" ]
8107                 );
8108
8109                 // Check for headers option
8110                 for ( i in s.headers ) {
8111                         jqXHR.setRequestHeader( i, s.headers[ i ] );
8112                 }
8113
8114                 // Allow custom headers/mimetypes and early abort
8115                 if ( s.beforeSend && ( s.beforeSend.call( callbackContext, jqXHR, s ) === false || state === 2 ) ) {
8116                         // Abort if not done already and return
8117                         return jqXHR.abort();
8118                 }
8119
8120                 // aborting is no longer a cancellation
8121                 strAbort = "abort";
8122
8123                 // Install callbacks on deferreds
8124                 for ( i in { success: 1, error: 1, complete: 1 } ) {
8125                         jqXHR[ i ]( s[ i ] );
8126                 }
8127
8128                 // Get transport
8129                 transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
8130
8131                 // If no transport, we auto-abort
8132                 if ( !transport ) {
8133                         done( -1, "No Transport" );
8134                 } else {
8135                         jqXHR.readyState = 1;
8136
8137                         // Send global event
8138                         if ( fireGlobals ) {
8139                                 globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
8140                         }
8141                         // Timeout
8142                         if ( s.async && s.timeout > 0 ) {
8143                                 timeoutTimer = setTimeout(function() {
8144                                         jqXHR.abort("timeout");
8145                                 }, s.timeout );
8146                         }
8147
8148                         try {
8149                                 state = 1;
8150                                 transport.send( requestHeaders, done );
8151                         } catch ( e ) {
8152                                 // Propagate exception as error if not done
8153                                 if ( state < 2 ) {
8154                                         done( -1, e );
8155                                 // Simply rethrow otherwise
8156                                 } else {
8157                                         throw e;
8158                                 }
8159                         }
8160                 }
8161
8162                 // Callback for when everything is done
8163                 function done( status, nativeStatusText, responses, headers ) {
8164                         var isSuccess, success, error, response, modified,
8165                                 statusText = nativeStatusText;
8166
8167                         // Called once
8168                         if ( state === 2 ) {
8169                                 return;
8170                         }
8171
8172                         // State is "done" now
8173                         state = 2;
8174
8175                         // Clear timeout if it exists
8176                         if ( timeoutTimer ) {
8177                                 clearTimeout( timeoutTimer );
8178                         }
8179
8180                         // Dereference transport for early garbage collection
8181                         // (no matter how long the jqXHR object will be used)
8182                         transport = undefined;
8183
8184                         // Cache response headers
8185                         responseHeadersString = headers || "";
8186
8187                         // Set readyState
8188                         jqXHR.readyState = status > 0 ? 4 : 0;
8189
8190                         // Determine if successful
8191                         isSuccess = status >= 200 && status < 300 || status === 304;
8192
8193                         // Get response data
8194                         if ( responses ) {
8195                                 response = ajaxHandleResponses( s, jqXHR, responses );
8196                         }
8197
8198                         // Convert no matter what (that way responseXXX fields are always set)
8199                         response = ajaxConvert( s, response, jqXHR, isSuccess );
8200
8201                         // If successful, handle type chaining
8202                         if ( isSuccess ) {
8203
8204                                 // Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
8205                                 if ( s.ifModified ) {
8206                                         modified = jqXHR.getResponseHeader("Last-Modified");
8207                                         if ( modified ) {
8208                                                 jQuery.lastModified[ cacheURL ] = modified;
8209                                         }
8210                                         modified = jqXHR.getResponseHeader("etag");
8211                                         if ( modified ) {
8212                                                 jQuery.etag[ cacheURL ] = modified;
8213                                         }
8214                                 }
8215
8216                                 // if no content
8217                                 if ( status === 204 || s.type === "HEAD" ) {
8218                                         statusText = "nocontent";
8219
8220                                 // if not modified
8221                                 } else if ( status === 304 ) {
8222                                         statusText = "notmodified";
8223
8224                                 // If we have data, let's convert it
8225                                 } else {
8226                                         statusText = response.state;
8227                                         success = response.data;
8228                                         error = response.error;
8229                                         isSuccess = !error;
8230                                 }
8231                         } else {
8232                                 // We extract error from statusText
8233                                 // then normalize statusText and status for non-aborts
8234                                 error = statusText;
8235                                 if ( status || !statusText ) {
8236                                         statusText = "error";
8237                                         if ( status < 0 ) {
8238                                                 status = 0;
8239                                         }
8240                                 }
8241                         }
8242
8243                         // Set data for the fake xhr object
8244                         jqXHR.status = status;
8245                         jqXHR.statusText = ( nativeStatusText || statusText ) + "";
8246
8247                         // Success/Error
8248                         if ( isSuccess ) {
8249                                 deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
8250                         } else {
8251                                 deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
8252                         }
8253
8254                         // Status-dependent callbacks
8255                         jqXHR.statusCode( statusCode );
8256                         statusCode = undefined;
8257
8258                         if ( fireGlobals ) {
8259                                 globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
8260                                         [ jqXHR, s, isSuccess ? success : error ] );
8261                         }
8262
8263                         // Complete
8264                         completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
8265
8266                         if ( fireGlobals ) {
8267                                 globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
8268                                 // Handle the global AJAX counter
8269                                 if ( !( --jQuery.active ) ) {
8270                                         jQuery.event.trigger("ajaxStop");
8271                                 }
8272                         }
8273                 }
8274
8275                 return jqXHR;
8276         },
8277
8278         getJSON: function( url, data, callback ) {
8279                 return jQuery.get( url, data, callback, "json" );
8280         },
8281
8282         getScript: function( url, callback ) {
8283                 return jQuery.get( url, undefined, callback, "script" );
8284         }
8285 });
8286
8287 jQuery.each( [ "get", "post" ], function( i, method ) {
8288         jQuery[ method ] = function( url, data, callback, type ) {
8289                 // shift arguments if data argument was omitted
8290                 if ( jQuery.isFunction( data ) ) {
8291                         type = type || callback;
8292                         callback = data;
8293                         data = undefined;
8294                 }
8295
8296                 return jQuery.ajax({
8297                         url: url,
8298                         type: method,
8299                         dataType: type,
8300                         data: data,
8301                         success: callback
8302                 });
8303         };
8304 });
8305
8306 /* Handles responses to an ajax request:
8307  * - finds the right dataType (mediates between content-type and expected dataType)
8308  * - returns the corresponding response
8309  */
8310 function ajaxHandleResponses( s, jqXHR, responses ) {
8311         var firstDataType, ct, finalDataType, type,
8312                 contents = s.contents,
8313                 dataTypes = s.dataTypes;
8314
8315         // Remove auto dataType and get content-type in the process
8316         while( dataTypes[ 0 ] === "*" ) {
8317                 dataTypes.shift();
8318                 if ( ct === undefined ) {
8319                         ct = s.mimeType || jqXHR.getResponseHeader("Content-Type");
8320                 }
8321         }
8322
8323         // Check if we're dealing with a known content-type
8324         if ( ct ) {
8325                 for ( type in contents ) {
8326                         if ( contents[ type ] && contents[ type ].test( ct ) ) {
8327                                 dataTypes.unshift( type );
8328                                 break;
8329                         }
8330                 }
8331         }
8332
8333         // Check to see if we have a response for the expected dataType
8334         if ( dataTypes[ 0 ] in responses ) {
8335                 finalDataType = dataTypes[ 0 ];
8336         } else {
8337                 // Try convertible dataTypes
8338                 for ( type in responses ) {
8339                         if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[0] ] ) {
8340                                 finalDataType = type;
8341                                 break;
8342                         }
8343                         if ( !firstDataType ) {
8344                                 firstDataType = type;
8345                         }
8346                 }
8347                 // Or just use first one
8348                 finalDataType = finalDataType || firstDataType;
8349         }
8350
8351         // If we found a dataType
8352         // We add the dataType to the list if needed
8353         // and return the corresponding response
8354         if ( finalDataType ) {
8355                 if ( finalDataType !== dataTypes[ 0 ] ) {
8356                         dataTypes.unshift( finalDataType );
8357                 }
8358                 return responses[ finalDataType ];
8359         }
8360 }
8361
8362 /* Chain conversions given the request and the original response
8363  * Also sets the responseXXX fields on the jqXHR instance
8364  */
8365 function ajaxConvert( s, response, jqXHR, isSuccess ) {
8366         var conv2, current, conv, tmp, prev,
8367                 converters = {},
8368                 // Work with a copy of dataTypes in case we need to modify it for conversion
8369                 dataTypes = s.dataTypes.slice();
8370
8371         // Create converters map with lowercased keys
8372         if ( dataTypes[ 1 ] ) {
8373                 for ( conv in s.converters ) {
8374                         converters[ conv.toLowerCase() ] = s.converters[ conv ];
8375                 }
8376         }
8377
8378         current = dataTypes.shift();
8379
8380         // Convert to each sequential dataType
8381         while ( current ) {
8382
8383                 if ( s.responseFields[ current ] ) {
8384                         jqXHR[ s.responseFields[ current ] ] = response;
8385                 }
8386
8387                 // Apply the dataFilter if provided
8388                 if ( !prev && isSuccess && s.dataFilter ) {
8389                         response = s.dataFilter( response, s.dataType );
8390                 }
8391
8392                 prev = current;
8393                 current = dataTypes.shift();
8394
8395                 if ( current ) {
8396
8397                         // There's only work to do if current dataType is non-auto
8398                         if ( current === "*" ) {
8399
8400                                 current = prev;
8401
8402                         // Convert response if prev dataType is non-auto and differs from current
8403                         } else if ( prev !== "*" && prev !== current ) {
8404
8405                                 // Seek a direct converter
8406                                 conv = converters[ prev + " " + current ] || converters[ "* " + current ];
8407
8408                                 // If none found, seek a pair
8409                                 if ( !conv ) {
8410                                         for ( conv2 in converters ) {
8411
8412                                                 // If conv2 outputs current
8413                                                 tmp = conv2.split( " " );
8414                                                 if ( tmp[ 1 ] === current ) {
8415
8416                                                         // If prev can be converted to accepted input
8417                                                         conv = converters[ prev + " " + tmp[ 0 ] ] ||
8418                                                                 converters[ "* " + tmp[ 0 ] ];
8419                                                         if ( conv ) {
8420                                                                 // Condense equivalence converters
8421                                                                 if ( conv === true ) {
8422                                                                         conv = converters[ conv2 ];
8423
8424                                                                 // Otherwise, insert the intermediate dataType
8425                                                                 } else if ( converters[ conv2 ] !== true ) {
8426                                                                         current = tmp[ 0 ];
8427                                                                         dataTypes.unshift( tmp[ 1 ] );
8428                                                                 }
8429                                                                 break;
8430                                                         }
8431                                                 }
8432                                         }
8433                                 }
8434
8435                                 // Apply converter (if not an equivalence)
8436                                 if ( conv !== true ) {
8437
8438                                         // Unless errors are allowed to bubble, catch and return them
8439                                         if ( conv && s[ "throws" ] ) {
8440                                                 response = conv( response );
8441                                         } else {
8442                                                 try {
8443                                                         response = conv( response );
8444                                                 } catch ( e ) {
8445                                                         return { state: "parsererror", error: conv ? e : "No conversion from " + prev + " to " + current };
8446                                                 }
8447                                         }
8448                                 }
8449                         }
8450                 }
8451         }
8452
8453         return { state: "success", data: response };
8454 }
8455 // Install script dataType
8456 jQuery.ajaxSetup({
8457         accepts: {
8458                 script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
8459         },
8460         contents: {
8461                 script: /(?:java|ecma)script/
8462         },
8463         converters: {
8464                 "text script": function( text ) {
8465                         jQuery.globalEval( text );
8466                         return text;
8467                 }
8468         }
8469 });
8470
8471 // Handle cache's special case and global
8472 jQuery.ajaxPrefilter( "script", function( s ) {
8473         if ( s.cache === undefined ) {
8474                 s.cache = false;
8475         }
8476         if ( s.crossDomain ) {
8477                 s.type = "GET";
8478                 s.global = false;
8479         }
8480 });
8481
8482 // Bind script tag hack transport
8483 jQuery.ajaxTransport( "script", function(s) {
8484
8485         // This transport only deals with cross domain requests
8486         if ( s.crossDomain ) {
8487
8488                 var script,
8489                         head = document.head || jQuery("head")[0] || document.documentElement;
8490
8491                 return {
8492
8493                         send: function( _, callback ) {
8494
8495                                 script = document.createElement("script");
8496
8497                                 script.async = true;
8498
8499                                 if ( s.scriptCharset ) {
8500                                         script.charset = s.scriptCharset;
8501                                 }
8502
8503                                 script.src = s.url;
8504
8505                                 // Attach handlers for all browsers
8506                                 script.onload = script.onreadystatechange = function( _, isAbort ) {
8507
8508                                         if ( isAbort || !script.readyState || /loaded|complete/.test( script.readyState ) ) {
8509
8510                                                 // Handle memory leak in IE
8511                                                 script.onload = script.onreadystatechange = null;
8512
8513                                                 // Remove the script
8514                                                 if ( script.parentNode ) {
8515                                                         script.parentNode.removeChild( script );
8516                                                 }
8517
8518                                                 // Dereference the script
8519                                                 script = null;
8520
8521                                                 // Callback if not abort
8522                                                 if ( !isAbort ) {
8523                                                         callback( 200, "success" );
8524                                                 }
8525                                         }
8526                                 };
8527
8528                                 // Circumvent IE6 bugs with base elements (#2709 and #4378) by prepending
8529                                 // Use native DOM manipulation to avoid our domManip AJAX trickery
8530                                 head.insertBefore( script, head.firstChild );
8531                         },
8532
8533                         abort: function() {
8534                                 if ( script ) {
8535                                         script.onload( undefined, true );
8536                                 }
8537                         }
8538                 };
8539         }
8540 });
8541 var oldCallbacks = [],
8542         rjsonp = /(=)\?(?=&|$)|\?\?/;
8543
8544 // Default jsonp settings
8545 jQuery.ajaxSetup({
8546         jsonp: "callback",
8547         jsonpCallback: function() {
8548                 var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( ajax_nonce++ ) );
8549                 this[ callback ] = true;
8550                 return callback;
8551         }
8552 });
8553
8554 // Detect, normalize options and install callbacks for jsonp requests
8555 jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
8556
8557         var callbackName, overwritten, responseContainer,
8558                 jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
8559                         "url" :
8560                         typeof s.data === "string" && !( s.contentType || "" ).indexOf("application/x-www-form-urlencoded") && rjsonp.test( s.data ) && "data"
8561                 );
8562
8563         // Handle iff the expected data type is "jsonp" or we have a parameter to set
8564         if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
8565
8566                 // Get callback name, remembering preexisting value associated with it
8567                 callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
8568                         s.jsonpCallback() :
8569                         s.jsonpCallback;
8570
8571                 // Insert callback into url or form data
8572                 if ( jsonProp ) {
8573                         s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
8574                 } else if ( s.jsonp !== false ) {
8575                         s.url += ( ajax_rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
8576                 }
8577
8578                 // Use data converter to retrieve json after script execution
8579                 s.converters["script json"] = function() {
8580                         if ( !responseContainer ) {
8581                                 jQuery.error( callbackName + " was not called" );
8582                         }
8583                         return responseContainer[ 0 ];
8584                 };
8585
8586                 // force json dataType
8587                 s.dataTypes[ 0 ] = "json";
8588
8589                 // Install callback
8590                 overwritten = window[ callbackName ];
8591                 window[ callbackName ] = function() {
8592                         responseContainer = arguments;
8593                 };
8594
8595                 // Clean-up function (fires after converters)
8596                 jqXHR.always(function() {
8597                         // Restore preexisting value
8598                         window[ callbackName ] = overwritten;
8599
8600                         // Save back as free
8601                         if ( s[ callbackName ] ) {
8602                                 // make sure that re-using the options doesn't screw things around
8603                                 s.jsonpCallback = originalSettings.jsonpCallback;
8604
8605                                 // save the callback name for future use
8606                                 oldCallbacks.push( callbackName );
8607                         }
8608
8609                         // Call if it was a function and we have a response
8610                         if ( responseContainer && jQuery.isFunction( overwritten ) ) {
8611                                 overwritten( responseContainer[ 0 ] );
8612                         }
8613
8614                         responseContainer = overwritten = undefined;
8615                 });
8616
8617                 // Delegate to script
8618                 return "script";
8619         }
8620 });
8621 var xhrCallbacks, xhrSupported,
8622         xhrId = 0,
8623         // #5280: Internet Explorer will keep connections alive if we don't abort on unload
8624         xhrOnUnloadAbort = window.ActiveXObject && function() {
8625                 // Abort all pending requests
8626                 var key;
8627                 for ( key in xhrCallbacks ) {
8628                         xhrCallbacks[ key ]( undefined, true );
8629                 }
8630         };
8631
8632 // Functions to create xhrs
8633 function createStandardXHR() {
8634         try {
8635                 return new window.XMLHttpRequest();
8636         } catch( e ) {}
8637 }
8638
8639 function createActiveXHR() {
8640         try {
8641                 return new window.ActiveXObject("Microsoft.XMLHTTP");
8642         } catch( e ) {}
8643 }
8644
8645 // Create the request object
8646 // (This is still attached to ajaxSettings for backward compatibility)
8647 jQuery.ajaxSettings.xhr = window.ActiveXObject ?
8648         /* Microsoft failed to properly
8649          * implement the XMLHttpRequest in IE7 (can't request local files),
8650          * so we use the ActiveXObject when it is available
8651          * Additionally XMLHttpRequest can be disabled in IE7/IE8 so
8652          * we need a fallback.
8653          */
8654         function() {
8655                 return !this.isLocal && createStandardXHR() || createActiveXHR();
8656         } :
8657         // For all other browsers, use the standard XMLHttpRequest object
8658         createStandardXHR;
8659
8660 // Determine support properties
8661 xhrSupported = jQuery.ajaxSettings.xhr();
8662 jQuery.support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
8663 xhrSupported = jQuery.support.ajax = !!xhrSupported;
8664
8665 // Create transport if the browser can provide an xhr
8666 if ( xhrSupported ) {
8667
8668         jQuery.ajaxTransport(function( s ) {
8669                 // Cross domain only allowed if supported through XMLHttpRequest
8670                 if ( !s.crossDomain || jQuery.support.cors ) {
8671
8672                         var callback;
8673
8674                         return {
8675                                 send: function( headers, complete ) {
8676
8677                                         // Get a new xhr
8678                                         var handle, i,
8679                                                 xhr = s.xhr();
8680
8681                                         // Open the socket
8682                                         // Passing null username, generates a login popup on Opera (#2865)
8683                                         if ( s.username ) {
8684                                                 xhr.open( s.type, s.url, s.async, s.username, s.password );
8685                                         } else {
8686                                                 xhr.open( s.type, s.url, s.async );
8687                                         }
8688
8689                                         // Apply custom fields if provided
8690                                         if ( s.xhrFields ) {
8691                                                 for ( i in s.xhrFields ) {
8692                                                         xhr[ i ] = s.xhrFields[ i ];
8693                                                 }
8694                                         }
8695
8696                                         // Override mime type if needed
8697                                         if ( s.mimeType && xhr.overrideMimeType ) {
8698                                                 xhr.overrideMimeType( s.mimeType );
8699                                         }
8700
8701                                         // X-Requested-With header
8702                                         // For cross-domain requests, seeing as conditions for a preflight are
8703                                         // akin to a jigsaw puzzle, we simply never set it to be sure.
8704                                         // (it can always be set on a per-request basis or even using ajaxSetup)
8705                                         // For same-domain requests, won't change header if already provided.
8706                                         if ( !s.crossDomain && !headers["X-Requested-With"] ) {
8707                                                 headers["X-Requested-With"] = "XMLHttpRequest";
8708                                         }
8709
8710                                         // Need an extra try/catch for cross domain requests in Firefox 3
8711                                         try {
8712                                                 for ( i in headers ) {
8713                                                         xhr.setRequestHeader( i, headers[ i ] );
8714                                                 }
8715                                         } catch( err ) {}
8716
8717                                         // Do send the request
8718                                         // This may raise an exception which is actually
8719                                         // handled in jQuery.ajax (so no try/catch here)
8720                                         xhr.send( ( s.hasContent && s.data ) || null );
8721
8722                                         // Listener
8723                                         callback = function( _, isAbort ) {
8724                                                 var status, responseHeaders, statusText, responses;
8725
8726                                                 // Firefox throws exceptions when accessing properties
8727                                                 // of an xhr when a network error occurred
8728                                                 // http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
8729                                                 try {
8730
8731                                                         // Was never called and is aborted or complete
8732                                                         if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
8733
8734                                                                 // Only called once
8735                                                                 callback = undefined;
8736
8737                                                                 // Do not keep as active anymore
8738                                                                 if ( handle ) {
8739                                                                         xhr.onreadystatechange = jQuery.noop;
8740                                                                         if ( xhrOnUnloadAbort ) {
8741                                                                                 delete xhrCallbacks[ handle ];
8742                                                                         }
8743                                                                 }
8744
8745                                                                 // If it's an abort
8746                                                                 if ( isAbort ) {
8747                                                                         // Abort it manually if needed
8748                                                                         if ( xhr.readyState !== 4 ) {
8749                                                                                 xhr.abort();
8750                                                                         }
8751                                                                 } else {
8752                                                                         responses = {};
8753                                                                         status = xhr.status;
8754                                                                         responseHeaders = xhr.getAllResponseHeaders();
8755
8756                                                                         // When requesting binary data, IE6-9 will throw an exception
8757                                                                         // on any attempt to access responseText (#11426)
8758                                                                         if ( typeof xhr.responseText === "string" ) {
8759                                                                                 responses.text = xhr.responseText;
8760                                                                         }
8761
8762                                                                         // Firefox throws an exception when accessing
8763                                                                         // statusText for faulty cross-domain requests
8764                                                                         try {
8765                                                                                 statusText = xhr.statusText;
8766                                                                         } catch( e ) {
8767                                                                                 // We normalize with Webkit giving an empty statusText
8768                                                                                 statusText = "";
8769                                                                         }
8770
8771                                                                         // Filter status for non standard behaviors
8772
8773                                                                         // If the request is local and we have data: assume a success
8774                                                                         // (success with no data won't get notified, that's the best we
8775                                                                         // can do given current implementations)
8776                                                                         if ( !status && s.isLocal && !s.crossDomain ) {
8777                                                                                 status = responses.text ? 200 : 404;
8778                                                                         // IE - #1450: sometimes returns 1223 when it should be 204
8779                                                                         } else if ( status === 1223 ) {
8780                                                                                 status = 204;
8781                                                                         }
8782                                                                 }
8783                                                         }
8784                                                 } catch( firefoxAccessException ) {
8785                                                         if ( !isAbort ) {
8786                                                                 complete( -1, firefoxAccessException );
8787                                                         }
8788                                                 }
8789
8790                                                 // Call complete if needed
8791                                                 if ( responses ) {
8792                                                         complete( status, statusText, responses, responseHeaders );
8793                                                 }
8794                                         };
8795
8796                                         if ( !s.async ) {
8797                                                 // if we're in sync mode we fire the callback
8798                                                 callback();
8799                                         } else if ( xhr.readyState === 4 ) {
8800                                                 // (IE6 & IE7) if it's in cache and has been
8801                                                 // retrieved directly we need to fire the callback
8802                                                 setTimeout( callback );
8803                                         } else {
8804                                                 handle = ++xhrId;
8805                                                 if ( xhrOnUnloadAbort ) {
8806                                                         // Create the active xhrs callbacks list if needed
8807                                                         // and attach the unload handler
8808                                                         if ( !xhrCallbacks ) {
8809                                                                 xhrCallbacks = {};
8810                                                                 jQuery( window ).unload( xhrOnUnloadAbort );
8811                                                         }
8812                                                         // Add to list of active xhrs callbacks
8813                                                         xhrCallbacks[ handle ] = callback;
8814                                                 }
8815                                                 xhr.onreadystatechange = callback;
8816                                         }
8817                                 },
8818
8819                                 abort: function() {
8820                                         if ( callback ) {
8821                                                 callback( undefined, true );
8822                                         }
8823                                 }
8824                         };
8825                 }
8826         });
8827 }
8828 var fxNow, timerId,
8829         rfxtypes = /^(?:toggle|show|hide)$/,
8830         rfxnum = new RegExp( "^(?:([+-])=|)(" + core_pnum + ")([a-z%]*)$", "i" ),
8831         rrun = /queueHooks$/,
8832         animationPrefilters = [ defaultPrefilter ],
8833         tweeners = {
8834                 "*": [function( prop, value ) {
8835                         var tween = this.createTween( prop, value ),
8836                                 target = tween.cur(),
8837                                 parts = rfxnum.exec( value ),
8838                                 unit = parts && parts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
8839
8840                                 // Starting value computation is required for potential unit mismatches
8841                                 start = ( jQuery.cssNumber[ prop ] || unit !== "px" && +target ) &&
8842                                         rfxnum.exec( jQuery.css( tween.elem, prop ) ),
8843                                 scale = 1,
8844                                 maxIterations = 20;
8845
8846                         if ( start && start[ 3 ] !== unit ) {
8847                                 // Trust units reported by jQuery.css
8848                                 unit = unit || start[ 3 ];
8849
8850                                 // Make sure we update the tween properties later on
8851                                 parts = parts || [];
8852
8853                                 // Iteratively approximate from a nonzero starting point
8854                                 start = +target || 1;
8855
8856                                 do {
8857                                         // If previous iteration zeroed out, double until we get *something*
8858                                         // Use a string for doubling factor so we don't accidentally see scale as unchanged below
8859                                         scale = scale || ".5";
8860
8861                                         // Adjust and apply
8862                                         start = start / scale;
8863                                         jQuery.style( tween.elem, prop, start + unit );
8864
8865                                 // Update scale, tolerating zero or NaN from tween.cur()
8866                                 // And breaking the loop if scale is unchanged or perfect, or if we've just had enough
8867                                 } while ( scale !== (scale = tween.cur() / target) && scale !== 1 && --maxIterations );
8868                         }
8869
8870                         // Update tween properties
8871                         if ( parts ) {
8872                                 start = tween.start = +start || +target || 0;
8873                                 tween.unit = unit;
8874                                 // If a +=/-= token was provided, we're doing a relative animation
8875                                 tween.end = parts[ 1 ] ?
8876                                         start + ( parts[ 1 ] + 1 ) * parts[ 2 ] :
8877                                         +parts[ 2 ];
8878                         }
8879
8880                         return tween;
8881                 }]
8882         };
8883
8884 // Animations created synchronously will run synchronously
8885 function createFxNow() {
8886         setTimeout(function() {
8887                 fxNow = undefined;
8888         });
8889         return ( fxNow = jQuery.now() );
8890 }
8891
8892 function createTween( value, prop, animation ) {
8893         var tween,
8894                 collection = ( tweeners[ prop ] || [] ).concat( tweeners[ "*" ] ),
8895                 index = 0,
8896                 length = collection.length;
8897         for ( ; index < length; index++ ) {
8898                 if ( (tween = collection[ index ].call( animation, prop, value )) ) {
8899
8900                         // we're done with this property
8901                         return tween;
8902                 }
8903         }
8904 }
8905
8906 function Animation( elem, properties, options ) {
8907         var result,
8908                 stopped,
8909                 index = 0,
8910                 length = animationPrefilters.length,
8911                 deferred = jQuery.Deferred().always( function() {
8912                         // don't match elem in the :animated selector
8913                         delete tick.elem;
8914                 }),
8915                 tick = function() {
8916                         if ( stopped ) {
8917                                 return false;
8918                         }
8919                         var currentTime = fxNow || createFxNow(),
8920                                 remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
8921                                 // archaic crash bug won't allow us to use 1 - ( 0.5 || 0 ) (#12497)
8922                                 temp = remaining / animation.duration || 0,
8923                                 percent = 1 - temp,
8924                                 index = 0,
8925                                 length = animation.tweens.length;
8926
8927                         for ( ; index < length ; index++ ) {
8928                                 animation.tweens[ index ].run( percent );
8929                         }
8930
8931                         deferred.notifyWith( elem, [ animation, percent, remaining ]);
8932
8933                         if ( percent < 1 && length ) {
8934                                 return remaining;
8935                         } else {
8936                                 deferred.resolveWith( elem, [ animation ] );
8937                                 return false;
8938                         }
8939                 },
8940                 animation = deferred.promise({
8941                         elem: elem,
8942                         props: jQuery.extend( {}, properties ),
8943                         opts: jQuery.extend( true, { specialEasing: {} }, options ),
8944                         originalProperties: properties,
8945                         originalOptions: options,
8946                         startTime: fxNow || createFxNow(),
8947                         duration: options.duration,
8948                         tweens: [],
8949                         createTween: function( prop, end ) {
8950                                 var tween = jQuery.Tween( elem, animation.opts, prop, end,
8951                                                 animation.opts.specialEasing[ prop ] || animation.opts.easing );
8952                                 animation.tweens.push( tween );
8953                                 return tween;
8954                         },
8955                         stop: function( gotoEnd ) {
8956                                 var index = 0,
8957                                         // if we are going to the end, we want to run all the tweens
8958                                         // otherwise we skip this part
8959                                         length = gotoEnd ? animation.tweens.length : 0;
8960                                 if ( stopped ) {
8961                                         return this;
8962                                 }
8963                                 stopped = true;
8964                                 for ( ; index < length ; index++ ) {
8965                                         animation.tweens[ index ].run( 1 );
8966                                 }
8967
8968                                 // resolve when we played the last frame
8969                                 // otherwise, reject
8970                                 if ( gotoEnd ) {
8971                                         deferred.resolveWith( elem, [ animation, gotoEnd ] );
8972                                 } else {
8973                                         deferred.rejectWith( elem, [ animation, gotoEnd ] );
8974                                 }
8975                                 return this;
8976                         }
8977                 }),
8978                 props = animation.props;
8979
8980         propFilter( props, animation.opts.specialEasing );
8981
8982         for ( ; index < length ; index++ ) {
8983                 result = animationPrefilters[ index ].call( animation, elem, props, animation.opts );
8984                 if ( result ) {
8985                         return result;
8986                 }
8987         }
8988
8989         jQuery.map( props, createTween, animation );
8990
8991         if ( jQuery.isFunction( animation.opts.start ) ) {
8992                 animation.opts.start.call( elem, animation );
8993         }
8994
8995         jQuery.fx.timer(
8996                 jQuery.extend( tick, {
8997                         elem: elem,
8998                         anim: animation,
8999                         queue: animation.opts.queue
9000                 })
9001         );
9002
9003         // attach callbacks from options
9004         return animation.progress( animation.opts.progress )
9005                 .done( animation.opts.done, animation.opts.complete )
9006                 .fail( animation.opts.fail )
9007                 .always( animation.opts.always );
9008 }
9009
9010 function propFilter( props, specialEasing ) {
9011         var index, name, easing, value, hooks;
9012
9013         // camelCase, specialEasing and expand cssHook pass
9014         for ( index in props ) {
9015                 name = jQuery.camelCase( index );
9016                 easing = specialEasing[ name ];
9017                 value = props[ index ];
9018                 if ( jQuery.isArray( value ) ) {
9019                         easing = value[ 1 ];
9020                         value = props[ index ] = value[ 0 ];
9021                 }
9022
9023                 if ( index !== name ) {
9024                         props[ name ] = value;
9025                         delete props[ index ];
9026                 }
9027
9028                 hooks = jQuery.cssHooks[ name ];
9029                 if ( hooks && "expand" in hooks ) {
9030                         value = hooks.expand( value );
9031                         delete props[ name ];
9032
9033                         // not quite $.extend, this wont overwrite keys already present.
9034                         // also - reusing 'index' from above because we have the correct "name"
9035                         for ( index in value ) {
9036                                 if ( !( index in props ) ) {
9037                                         props[ index ] = value[ index ];
9038                                         specialEasing[ index ] = easing;
9039                                 }
9040                         }
9041                 } else {
9042                         specialEasing[ name ] = easing;
9043                 }
9044         }
9045 }
9046
9047 jQuery.Animation = jQuery.extend( Animation, {
9048
9049         tweener: function( props, callback ) {
9050                 if ( jQuery.isFunction( props ) ) {
9051                         callback = props;
9052                         props = [ "*" ];
9053                 } else {
9054                         props = props.split(" ");
9055                 }
9056
9057                 var prop,
9058                         index = 0,
9059                         length = props.length;
9060
9061                 for ( ; index < length ; index++ ) {
9062                         prop = props[ index ];
9063                         tweeners[ prop ] = tweeners[ prop ] || [];
9064                         tweeners[ prop ].unshift( callback );
9065                 }
9066         },
9067
9068         prefilter: function( callback, prepend ) {
9069                 if ( prepend ) {
9070                         animationPrefilters.unshift( callback );
9071                 } else {
9072                         animationPrefilters.push( callback );
9073                 }
9074         }
9075 });
9076
9077 function defaultPrefilter( elem, props, opts ) {
9078         /* jshint validthis: true */
9079         var prop, value, toggle, tween, hooks, oldfire,
9080                 anim = this,
9081                 orig = {},
9082                 style = elem.style,
9083                 hidden = elem.nodeType && isHidden( elem ),
9084                 dataShow = jQuery._data( elem, "fxshow" );
9085
9086         // handle queue: false promises
9087         if ( !opts.queue ) {
9088                 hooks = jQuery._queueHooks( elem, "fx" );
9089                 if ( hooks.unqueued == null ) {
9090                         hooks.unqueued = 0;
9091                         oldfire = hooks.empty.fire;
9092                         hooks.empty.fire = function() {
9093                                 if ( !hooks.unqueued ) {
9094                                         oldfire();
9095                                 }
9096                         };
9097                 }
9098                 hooks.unqueued++;
9099
9100                 anim.always(function() {
9101                         // doing this makes sure that the complete handler will be called
9102                         // before this completes
9103                         anim.always(function() {
9104                                 hooks.unqueued--;
9105                                 if ( !jQuery.queue( elem, "fx" ).length ) {
9106                                         hooks.empty.fire();
9107                                 }
9108                         });
9109                 });
9110         }
9111
9112         // height/width overflow pass
9113         if ( elem.nodeType === 1 && ( "height" in props || "width" in props ) ) {
9114                 // Make sure that nothing sneaks out
9115                 // Record all 3 overflow attributes because IE does not
9116                 // change the overflow attribute when overflowX and
9117                 // overflowY are set to the same value
9118                 opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
9119
9120                 // Set display property to inline-block for height/width
9121                 // animations on inline elements that are having width/height animated
9122                 if ( jQuery.css( elem, "display" ) === "inline" &&
9123                                 jQuery.css( elem, "float" ) === "none" ) {
9124
9125                         // inline-level elements accept inline-block;
9126                         // block-level elements need to be inline with layout
9127                         if ( !jQuery.support.inlineBlockNeedsLayout || css_defaultDisplay( elem.nodeName ) === "inline" ) {
9128                                 style.display = "inline-block";
9129
9130                         } else {
9131                                 style.zoom = 1;
9132                         }
9133                 }
9134         }
9135
9136         if ( opts.overflow ) {
9137                 style.overflow = "hidden";
9138                 if ( !jQuery.support.shrinkWrapBlocks ) {
9139                         anim.always(function() {
9140                                 style.overflow = opts.overflow[ 0 ];
9141                                 style.overflowX = opts.overflow[ 1 ];
9142                                 style.overflowY = opts.overflow[ 2 ];
9143                         });
9144                 }
9145         }
9146
9147
9148         // show/hide pass
9149         for ( prop in props ) {
9150                 value = props[ prop ];
9151                 if ( rfxtypes.exec( value ) ) {
9152                         delete props[ prop ];
9153                         toggle = toggle || value === "toggle";
9154                         if ( value === ( hidden ? "hide" : "show" ) ) {
9155                                 continue;
9156                         }
9157                         orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
9158                 }
9159         }
9160
9161         if ( !jQuery.isEmptyObject( orig ) ) {
9162                 if ( dataShow ) {
9163                         if ( "hidden" in dataShow ) {
9164                                 hidden = dataShow.hidden;
9165                         }
9166                 } else {
9167                         dataShow = jQuery._data( elem, "fxshow", {} );
9168                 }
9169
9170                 // store state if its toggle - enables .stop().toggle() to "reverse"
9171                 if ( toggle ) {
9172                         dataShow.hidden = !hidden;
9173                 }
9174                 if ( hidden ) {
9175                         jQuery( elem ).show();
9176                 } else {
9177                         anim.done(function() {
9178                                 jQuery( elem ).hide();
9179                         });
9180                 }
9181                 anim.done(function() {
9182                         var prop;
9183                         jQuery._removeData( elem, "fxshow" );
9184                         for ( prop in orig ) {
9185                                 jQuery.style( elem, prop, orig[ prop ] );
9186                         }
9187                 });
9188                 for ( prop in orig ) {
9189                         tween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
9190
9191                         if ( !( prop in dataShow ) ) {
9192                                 dataShow[ prop ] = tween.start;
9193                                 if ( hidden ) {
9194                                         tween.end = tween.start;
9195                                         tween.start = prop === "width" || prop === "height" ? 1 : 0;
9196                                 }
9197                         }
9198                 }
9199         }
9200 }
9201
9202 function Tween( elem, options, prop, end, easing ) {
9203         return new Tween.prototype.init( elem, options, prop, end, easing );
9204 }
9205 jQuery.Tween = Tween;
9206
9207 Tween.prototype = {
9208         constructor: Tween,
9209         init: function( elem, options, prop, end, easing, unit ) {
9210                 this.elem = elem;
9211                 this.prop = prop;
9212                 this.easing = easing || "swing";
9213                 this.options = options;
9214                 this.start = this.now = this.cur();
9215                 this.end = end;
9216                 this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
9217         },
9218         cur: function() {
9219                 var hooks = Tween.propHooks[ this.prop ];
9220
9221                 return hooks && hooks.get ?
9222                         hooks.get( this ) :
9223                         Tween.propHooks._default.get( this );
9224         },
9225         run: function( percent ) {
9226                 var eased,
9227                         hooks = Tween.propHooks[ this.prop ];
9228
9229                 if ( this.options.duration ) {
9230                         this.pos = eased = jQuery.easing[ this.easing ](
9231                                 percent, this.options.duration * percent, 0, 1, this.options.duration
9232                         );
9233                 } else {
9234                         this.pos = eased = percent;
9235                 }
9236                 this.now = ( this.end - this.start ) * eased + this.start;
9237
9238                 if ( this.options.step ) {
9239                         this.options.step.call( this.elem, this.now, this );
9240                 }
9241
9242                 if ( hooks && hooks.set ) {
9243                         hooks.set( this );
9244                 } else {
9245                         Tween.propHooks._default.set( this );
9246                 }
9247                 return this;
9248         }
9249 };
9250
9251 Tween.prototype.init.prototype = Tween.prototype;
9252
9253 Tween.propHooks = {
9254         _default: {
9255                 get: function( tween ) {
9256                         var result;
9257
9258                         if ( tween.elem[ tween.prop ] != null &&
9259                                 (!tween.elem.style || tween.elem.style[ tween.prop ] == null) ) {
9260                                 return tween.elem[ tween.prop ];
9261                         }
9262
9263                         // passing an empty string as a 3rd parameter to .css will automatically
9264                         // attempt a parseFloat and fallback to a string if the parse fails
9265                         // so, simple values such as "10px" are parsed to Float.
9266                         // complex values such as "rotate(1rad)" are returned as is.
9267                         result = jQuery.css( tween.elem, tween.prop, "" );
9268                         // Empty strings, null, undefined and "auto" are converted to 0.
9269                         return !result || result === "auto" ? 0 : result;
9270                 },
9271                 set: function( tween ) {
9272                         // use step hook for back compat - use cssHook if its there - use .style if its
9273                         // available and use plain properties where available
9274                         if ( jQuery.fx.step[ tween.prop ] ) {
9275                                 jQuery.fx.step[ tween.prop ]( tween );
9276                         } else if ( tween.elem.style && ( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null || jQuery.cssHooks[ tween.prop ] ) ) {
9277                                 jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
9278                         } else {
9279                                 tween.elem[ tween.prop ] = tween.now;
9280                         }
9281                 }
9282         }
9283 };
9284
9285 // Support: IE <=9
9286 // Panic based approach to setting things on disconnected nodes
9287
9288 Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
9289         set: function( tween ) {
9290                 if ( tween.elem.nodeType && tween.elem.parentNode ) {
9291                         tween.elem[ tween.prop ] = tween.now;
9292                 }
9293         }
9294 };
9295
9296 jQuery.each([ "toggle", "show", "hide" ], function( i, name ) {
9297         var cssFn = jQuery.fn[ name ];
9298         jQuery.fn[ name ] = function( speed, easing, callback ) {
9299                 return speed == null || typeof speed === "boolean" ?
9300                         cssFn.apply( this, arguments ) :
9301                         this.animate( genFx( name, true ), speed, easing, callback );
9302         };
9303 });
9304
9305 jQuery.fn.extend({
9306         fadeTo: function( speed, to, easing, callback ) {
9307
9308                 // show any hidden elements after setting opacity to 0
9309                 return this.filter( isHidden ).css( "opacity", 0 ).show()
9310
9311                         // animate to the value specified
9312                         .end().animate({ opacity: to }, speed, easing, callback );
9313         },
9314         animate: function( prop, speed, easing, callback ) {
9315                 var empty = jQuery.isEmptyObject( prop ),
9316                         optall = jQuery.speed( speed, easing, callback ),
9317                         doAnimation = function() {
9318                                 // Operate on a copy of prop so per-property easing won't be lost
9319                                 var anim = Animation( this, jQuery.extend( {}, prop ), optall );
9320
9321                                 // Empty animations, or finishing resolves immediately
9322                                 if ( empty || jQuery._data( this, "finish" ) ) {
9323                                         anim.stop( true );
9324                                 }
9325                         };
9326                         doAnimation.finish = doAnimation;
9327
9328                 return empty || optall.queue === false ?
9329                         this.each( doAnimation ) :
9330                         this.queue( optall.queue, doAnimation );
9331         },
9332         stop: function( type, clearQueue, gotoEnd ) {
9333                 var stopQueue = function( hooks ) {
9334                         var stop = hooks.stop;
9335                         delete hooks.stop;
9336                         stop( gotoEnd );
9337                 };
9338
9339                 if ( typeof type !== "string" ) {
9340                         gotoEnd = clearQueue;
9341                         clearQueue = type;
9342                         type = undefined;
9343                 }
9344                 if ( clearQueue && type !== false ) {
9345                         this.queue( type || "fx", [] );
9346                 }
9347
9348                 return this.each(function() {
9349                         var dequeue = true,
9350                                 index = type != null && type + "queueHooks",
9351                                 timers = jQuery.timers,
9352                                 data = jQuery._data( this );
9353
9354                         if ( index ) {
9355                                 if ( data[ index ] && data[ index ].stop ) {
9356                                         stopQueue( data[ index ] );
9357                                 }
9358                         } else {
9359                                 for ( index in data ) {
9360                                         if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
9361                                                 stopQueue( data[ index ] );
9362                                         }
9363                                 }
9364                         }
9365
9366                         for ( index = timers.length; index--; ) {
9367                                 if ( timers[ index ].elem === this && (type == null || timers[ index ].queue === type) ) {
9368                                         timers[ index ].anim.stop( gotoEnd );
9369                                         dequeue = false;
9370                                         timers.splice( index, 1 );
9371                                 }
9372                         }
9373
9374                         // start the next in the queue if the last step wasn't forced
9375                         // timers currently will call their complete callbacks, which will dequeue
9376                         // but only if they were gotoEnd
9377                         if ( dequeue || !gotoEnd ) {
9378                                 jQuery.dequeue( this, type );
9379                         }
9380                 });
9381         },
9382         finish: function( type ) {
9383                 if ( type !== false ) {
9384                         type = type || "fx";
9385                 }
9386                 return this.each(function() {
9387                         var index,
9388                                 data = jQuery._data( this ),
9389                                 queue = data[ type + "queue" ],
9390                                 hooks = data[ type + "queueHooks" ],
9391                                 timers = jQuery.timers,
9392                                 length = queue ? queue.length : 0;
9393
9394                         // enable finishing flag on private data
9395                         data.finish = true;
9396
9397                         // empty the queue first
9398                         jQuery.queue( this, type, [] );
9399
9400                         if ( hooks && hooks.stop ) {
9401                                 hooks.stop.call( this, true );
9402                         }
9403
9404                         // look for any active animations, and finish them
9405                         for ( index = timers.length; index--; ) {
9406                                 if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
9407                                         timers[ index ].anim.stop( true );
9408                                         timers.splice( index, 1 );
9409                                 }
9410                         }
9411
9412                         // look for any animations in the old queue and finish them
9413                         for ( index = 0; index < length; index++ ) {
9414                                 if ( queue[ index ] && queue[ index ].finish ) {
9415                                         queue[ index ].finish.call( this );
9416                                 }
9417                         }
9418
9419                         // turn off finishing flag
9420                         delete data.finish;
9421                 });
9422         }
9423 });
9424
9425 // Generate parameters to create a standard animation
9426 function genFx( type, includeWidth ) {
9427         var which,
9428                 attrs = { height: type },
9429                 i = 0;
9430
9431         // if we include width, step value is 1 to do all cssExpand values,
9432         // if we don't include width, step value is 2 to skip over Left and Right
9433         includeWidth = includeWidth? 1 : 0;
9434         for( ; i < 4 ; i += 2 - includeWidth ) {
9435                 which = cssExpand[ i ];
9436                 attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
9437         }
9438
9439         if ( includeWidth ) {
9440                 attrs.opacity = attrs.width = type;
9441         }
9442
9443         return attrs;
9444 }
9445
9446 // Generate shortcuts for custom animations
9447 jQuery.each({
9448         slideDown: genFx("show"),
9449         slideUp: genFx("hide"),
9450         slideToggle: genFx("toggle"),
9451         fadeIn: { opacity: "show" },
9452         fadeOut: { opacity: "hide" },
9453         fadeToggle: { opacity: "toggle" }
9454 }, function( name, props ) {
9455         jQuery.fn[ name ] = function( speed, easing, callback ) {
9456                 return this.animate( props, speed, easing, callback );
9457         };
9458 });
9459
9460 jQuery.speed = function( speed, easing, fn ) {
9461         var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
9462                 complete: fn || !fn && easing ||
9463                         jQuery.isFunction( speed ) && speed,
9464                 duration: speed,
9465                 easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
9466         };
9467
9468         opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration :
9469                 opt.duration in jQuery.fx.speeds ? jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
9470
9471         // normalize opt.queue - true/undefined/null -> "fx"
9472         if ( opt.queue == null || opt.queue === true ) {
9473                 opt.queue = "fx";
9474         }
9475
9476         // Queueing
9477         opt.old = opt.complete;
9478
9479         opt.complete = function() {
9480                 if ( jQuery.isFunction( opt.old ) ) {
9481                         opt.old.call( this );
9482                 }
9483
9484                 if ( opt.queue ) {
9485                         jQuery.dequeue( this, opt.queue );
9486                 }
9487         };
9488
9489         return opt;
9490 };
9491
9492 jQuery.easing = {
9493         linear: function( p ) {
9494                 return p;
9495         },
9496         swing: function( p ) {
9497                 return 0.5 - Math.cos( p*Math.PI ) / 2;
9498         }
9499 };
9500
9501 jQuery.timers = [];
9502 jQuery.fx = Tween.prototype.init;
9503 jQuery.fx.tick = function() {
9504         var timer,
9505                 timers = jQuery.timers,
9506                 i = 0;
9507
9508         fxNow = jQuery.now();
9509
9510         for ( ; i < timers.length; i++ ) {
9511                 timer = timers[ i ];
9512                 // Checks the timer has not already been removed
9513                 if ( !timer() && timers[ i ] === timer ) {
9514                         timers.splice( i--, 1 );
9515                 }
9516         }
9517
9518         if ( !timers.length ) {
9519                 jQuery.fx.stop();
9520         }
9521         fxNow = undefined;
9522 };
9523
9524 jQuery.fx.timer = function( timer ) {
9525         if ( timer() && jQuery.timers.push( timer ) ) {
9526                 jQuery.fx.start();
9527         }
9528 };
9529
9530 jQuery.fx.interval = 13;
9531
9532 jQuery.fx.start = function() {
9533         if ( !timerId ) {
9534                 timerId = setInterval( jQuery.fx.tick, jQuery.fx.interval );
9535         }
9536 };
9537
9538 jQuery.fx.stop = function() {
9539         clearInterval( timerId );
9540         timerId = null;
9541 };
9542
9543 jQuery.fx.speeds = {
9544         slow: 600,
9545         fast: 200,
9546         // Default speed
9547         _default: 400
9548 };
9549
9550 // Back Compat <1.8 extension point
9551 jQuery.fx.step = {};
9552
9553 if ( jQuery.expr && jQuery.expr.filters ) {
9554         jQuery.expr.filters.animated = function( elem ) {
9555                 return jQuery.grep(jQuery.timers, function( fn ) {
9556                         return elem === fn.elem;
9557                 }).length;
9558         };
9559 }
9560 jQuery.fn.offset = function( options ) {
9561         if ( arguments.length ) {
9562                 return options === undefined ?
9563                         this :
9564                         this.each(function( i ) {
9565                                 jQuery.offset.setOffset( this, options, i );
9566                         });
9567         }
9568
9569         var docElem, win,
9570                 box = { top: 0, left: 0 },
9571                 elem = this[ 0 ],
9572                 doc = elem && elem.ownerDocument;
9573
9574         if ( !doc ) {
9575                 return;
9576         }
9577
9578         docElem = doc.documentElement;
9579
9580         // Make sure it's not a disconnected DOM node
9581         if ( !jQuery.contains( docElem, elem ) ) {
9582                 return box;
9583         }
9584
9585         // If we don't have gBCR, just use 0,0 rather than error
9586         // BlackBerry 5, iOS 3 (original iPhone)
9587         if ( typeof elem.getBoundingClientRect !== core_strundefined ) {
9588                 box = elem.getBoundingClientRect();
9589         }
9590         win = getWindow( doc );
9591         return {
9592                 top: box.top  + ( win.pageYOffset || docElem.scrollTop )  - ( docElem.clientTop  || 0 ),
9593                 left: box.left + ( win.pageXOffset || docElem.scrollLeft ) - ( docElem.clientLeft || 0 )
9594         };
9595 };
9596
9597 jQuery.offset = {
9598
9599         setOffset: function( elem, options, i ) {
9600                 var position = jQuery.css( elem, "position" );
9601
9602                 // set position first, in-case top/left are set even on static elem
9603                 if ( position === "static" ) {
9604                         elem.style.position = "relative";
9605                 }
9606
9607                 var curElem = jQuery( elem ),
9608                         curOffset = curElem.offset(),
9609                         curCSSTop = jQuery.css( elem, "top" ),
9610                         curCSSLeft = jQuery.css( elem, "left" ),
9611                         calculatePosition = ( position === "absolute" || position === "fixed" ) && jQuery.inArray("auto", [curCSSTop, curCSSLeft]) > -1,
9612                         props = {}, curPosition = {}, curTop, curLeft;
9613
9614                 // need to be able to calculate position if either top or left is auto and position is either absolute or fixed
9615                 if ( calculatePosition ) {
9616                         curPosition = curElem.position();
9617                         curTop = curPosition.top;
9618                         curLeft = curPosition.left;
9619                 } else {
9620                         curTop = parseFloat( curCSSTop ) || 0;
9621                         curLeft = parseFloat( curCSSLeft ) || 0;
9622                 }
9623
9624                 if ( jQuery.isFunction( options ) ) {
9625                         options = options.call( elem, i, curOffset );
9626                 }
9627
9628                 if ( options.top != null ) {
9629                         props.top = ( options.top - curOffset.top ) + curTop;
9630                 }
9631                 if ( options.left != null ) {
9632                         props.left = ( options.left - curOffset.left ) + curLeft;
9633                 }
9634
9635                 if ( "using" in options ) {
9636                         options.using.call( elem, props );
9637                 } else {
9638                         curElem.css( props );
9639                 }
9640         }
9641 };
9642
9643
9644 jQuery.fn.extend({
9645
9646         position: function() {
9647                 if ( !this[ 0 ] ) {
9648                         return;
9649                 }
9650
9651                 var offsetParent, offset,
9652                         parentOffset = { top: 0, left: 0 },
9653                         elem = this[ 0 ];
9654
9655                 // fixed elements are offset from window (parentOffset = {top:0, left: 0}, because it is it's only offset parent
9656                 if ( jQuery.css( elem, "position" ) === "fixed" ) {
9657                         // we assume that getBoundingClientRect is available when computed position is fixed
9658                         offset = elem.getBoundingClientRect();
9659                 } else {
9660                         // Get *real* offsetParent
9661                         offsetParent = this.offsetParent();
9662
9663                         // Get correct offsets
9664                         offset = this.offset();
9665                         if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
9666                                 parentOffset = offsetParent.offset();
9667                         }
9668
9669                         // Add offsetParent borders
9670                         parentOffset.top  += jQuery.css( offsetParent[ 0 ], "borderTopWidth", true );
9671                         parentOffset.left += jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true );
9672                 }
9673
9674                 // Subtract parent offsets and element margins
9675                 // note: when an element has margin: auto the offsetLeft and marginLeft
9676                 // are the same in Safari causing offset.left to incorrectly be 0
9677                 return {
9678                         top:  offset.top  - parentOffset.top - jQuery.css( elem, "marginTop", true ),
9679                         left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true)
9680                 };
9681         },
9682
9683         offsetParent: function() {
9684                 return this.map(function() {
9685                         var offsetParent = this.offsetParent || docElem;
9686                         while ( offsetParent && ( !jQuery.nodeName( offsetParent, "html" ) && jQuery.css( offsetParent, "position") === "static" ) ) {
9687                                 offsetParent = offsetParent.offsetParent;
9688                         }
9689                         return offsetParent || docElem;
9690                 });
9691         }
9692 });
9693
9694
9695 // Create scrollLeft and scrollTop methods
9696 jQuery.each( {scrollLeft: "pageXOffset", scrollTop: "pageYOffset"}, function( method, prop ) {
9697         var top = /Y/.test( prop );
9698
9699         jQuery.fn[ method ] = function( val ) {
9700                 return jQuery.access( this, function( elem, method, val ) {
9701                         var win = getWindow( elem );
9702
9703                         if ( val === undefined ) {
9704                                 return win ? (prop in win) ? win[ prop ] :
9705                                         win.document.documentElement[ method ] :
9706                                         elem[ method ];
9707                         }
9708
9709                         if ( win ) {
9710                                 win.scrollTo(
9711                                         !top ? val : jQuery( win ).scrollLeft(),
9712                                         top ? val : jQuery( win ).scrollTop()
9713                                 );
9714
9715                         } else {
9716                                 elem[ method ] = val;
9717                         }
9718                 }, method, val, arguments.length, null );
9719         };
9720 });
9721
9722 function getWindow( elem ) {
9723         return jQuery.isWindow( elem ) ?
9724                 elem :
9725                 elem.nodeType === 9 ?
9726                         elem.defaultView || elem.parentWindow :
9727                         false;
9728 }
9729 // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
9730 jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
9731         jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name }, function( defaultExtra, funcName ) {
9732                 // margin is only for outerHeight, outerWidth
9733                 jQuery.fn[ funcName ] = function( margin, value ) {
9734                         var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
9735                                 extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
9736
9737                         return jQuery.access( this, function( elem, type, value ) {
9738                                 var doc;
9739
9740                                 if ( jQuery.isWindow( elem ) ) {
9741                                         // As of 5/8/2012 this will yield incorrect results for Mobile Safari, but there
9742                                         // isn't a whole lot we can do. See pull request at this URL for discussion:
9743                                         // https://github.com/jquery/jquery/pull/764
9744                                         return elem.document.documentElement[ "client" + name ];
9745                                 }
9746
9747                                 // Get document width or height
9748                                 if ( elem.nodeType === 9 ) {
9749                                         doc = elem.documentElement;
9750
9751                                         // Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height], whichever is greatest
9752                                         // unfortunately, this causes bug #3838 in IE6/8 only, but there is currently no good, small way to fix it.
9753                                         return Math.max(
9754                                                 elem.body[ "scroll" + name ], doc[ "scroll" + name ],
9755                                                 elem.body[ "offset" + name ], doc[ "offset" + name ],
9756                                                 doc[ "client" + name ]
9757                                         );
9758                                 }
9759
9760                                 return value === undefined ?
9761                                         // Get width or height on the element, requesting but not forcing parseFloat
9762                                         jQuery.css( elem, type, extra ) :
9763
9764                                         // Set width or height on the element
9765                                         jQuery.style( elem, type, value, extra );
9766                         }, type, chainable ? margin : undefined, chainable, null );
9767                 };
9768         });
9769 });
9770 // Limit scope pollution from any deprecated API
9771 // (function() {
9772
9773 // The number of elements contained in the matched element set
9774 jQuery.fn.size = function() {
9775         return this.length;
9776 };
9777
9778 jQuery.fn.andSelf = jQuery.fn.addBack;
9779
9780 // })();
9781 if ( typeof module === "object" && module && typeof module.exports === "object" ) {
9782         // Expose jQuery as module.exports in loaders that implement the Node
9783         // module pattern (including browserify). Do not create the global, since
9784         // the user will be storing it themselves locally, and globals are frowned
9785         // upon in the Node module world.
9786         module.exports = jQuery;
9787 } else {
9788         // Otherwise expose jQuery to the global object as usual
9789         window.jQuery = window.$ = jQuery;
9790
9791         // Register as a named AMD module, since jQuery can be concatenated with other
9792         // files that may use define, but not via a proper concatenation script that
9793         // understands anonymous AMD modules. A named AMD is safest and most robust
9794         // way to register. Lowercase jquery is used because AMD module names are
9795         // derived from file names, and jQuery is normally delivered in a lowercase
9796         // file name. Do this after creating the global so that if an AMD module wants
9797         // to call noConflict to hide this version of jQuery, it will work.
9798         if ( typeof define === "function" && define.amd ) {
9799                 define( "jquery", [], function () { return jQuery; } );
9800         }
9801 }
9802
9803 })( window );