jquery/jquery.js

   1 /*
   2  * jQuery - New Wave Javascript
   3  *
   4  * Copyright (c) 2006 John Resig (jquery.com)
   5  * Licensed under the MIT License:
   6  *   http://www.opensource.org/licenses/mit-license.php
   7  *
   8  * $Date$
   9  * $Rev$
  10  */
  11
  12 // Global undefined variable
  13 window.undefined = window.undefined;
  14
  15 /**
  16  * Create a new jQuery Object
  17  * @constructor
  18  */
  19 function jQuery(a,c) {
  20         /*
  21          * Handle support for overriding other $() functions. Way too many libraries
  22          * provide this function to simply ignore it and overwrite it.
  23          */
  24
  25         // Check to see if this is a possible collision case
  26         if ( jQuery._$ && !c && a.constructor == String &&
  27
  28                 // Make sure that the expression is a colliding one
  29                 !/[^a-zA-Z0-9_-]/.test(a) &&
  30
  31                 // and that there are no elements that match it
  32                 // (this is the one truly ambiguous case)
  33                 !document.getElementsByTagName(a).length )
  34
  35                         // Use the default method, in case it works some voodoo
  36                         return jQuery._$( a );
  37
  38         // Make sure t hat a selection was provided
  39         a = a || jQuery.context || document;
  40
  41         // Watch for when a jQuery object is passed as the selector
  42         if ( a.jquery )
  43                 return a;
  44
  45         // Watch for when a jQuery object is passed at the context
  46         if ( c && c.jquery )
  47                 return $(c.get()).find(a);
  48
  49         // If the context is global, return a new object
  50         if ( window == this )
  51                 return new jQuery(a,c);
  52
  53         // Watch for when an array is passed in
  54         if ( a.constructor == Array )
  55                 // Assume that it's an array of DOM Elements
  56                 this.cur = a;
  57         else
  58                 // Find the matching elements and save them for later
  59                 this.cur = jQuery.Select( a, c );
  60 }
  61
  62 // Map over the $ in case of overwrite
  63 if ( $ )
  64         jQuery._$ = $;
  65
  66 // Map the jQuery namespace to the '$' one
  67 var $ = jQuery;
  68
  69 jQuery.fn = jQuery.prototype = {
  70         /**
  71          * The current SVN version of jQuery.
  72          *
  73          * @private
  74          * @type String
  75          */
  76         jquery: "$Rev$",
  77
  78         /**
  79          * The number of elements currently matched.
  80          *
  81          * @type Number
  82          */
  83         size: function() {
  84                 return this.get().length;
  85         },
  86
  87         /**
  88          * Access the elements matched. If a number is provided,
  89          * the Nth element is returned, otherwise, an array of all
  90          * matched items is returned.
  91          *
  92          * @type Array,DOMElement
  93          */
  94         get: function(num) {
  95                 return num == undefined ? this.cur : this.cur[num];
  96         },
  97
  98         each: function(f) {
  99                 for ( var i = 0; i < this.size(); i++ )
 100                         f.apply( this.get(i), [i] );
 101                 return this;
 102         },
 103         set: function(a,b) {
 104                 return this.each(function(){
 105                         if ( b === undefined )
 106                                 for ( var j in a )
 107                                         jQuery.attr(this,j,a[j]);
 108                         else
 109                                 jQuery.attr(this,a,b);
 110                 });
 111         },
 112         html: function(h) {
 113                 return h == undefined && this.size() ?
 114                         this.get(0).innerHTML : this.set( "innerHTML", h );
 115         },
 116         val: function(h) {
 117                 return h == undefined && this.size() ?
 118                         this.get(0).value : this.set( "value", h );
 119         },
 120         text: function(e) {
 121                 e = e || this.get();
 122                 var t = "";
 123                 for ( var j = 0; j < e.length; j++ ) {
 124                         var r = e[j].childNodes;
 125                         for ( var i = 0; i < r.length; i++ )
 126                                 t += r[i].nodeType != 1 ?
 127                                         r[i].nodeValue : jQuery.fn.text([ r[i] ]);
 128                 }
 129                 return t;
 130         },
 131
 132         css: function(a,b) {
 133                 return a.constructor != String || b ?
 134                         this.each(function(){
 135                                 if ( b === undefined )
 136                                         for ( var j in a )
 137                                                 jQuery.attr(this.style,j,a[j]);
 138                                 else
 139                                         jQuery.attr(this.style,a,b);
 140                         }) : jQuery.css( this.get(0), a );
 141         },
 142         toggle: function() {
 143                 return this.each(function(){
 144                         var d = jQuery.css(this,"display");
 145                         if ( !d || d == "none" )
 146                                 $(this).show();
 147                         else
 148                                 $(this).hide();
 149                 });
 150         },
 151         show: function() {
 152                 return this.each(function(){
 153                         this.style.display = this.oldblock ? this.oldblock : "";
 154                         if ( jQuery.css(this,"display") == "none" )
 155                                 this.style.display = "block";
 156                 });
 157         },
 158         hide: function() {
 159                 return this.each(function(){
 160                         this.oldblock = jQuery.css(this,"display");
 161                         if ( this.oldblock == "none" )
 162                                 this.oldblock = "block";
 163                         this.style.display = "none";
 164                 });
 165         },
 166         addClass: function(c) {
 167                 return this.each(function(){
 168                         jQuery.className.add(this,c);
 169                 });
 170         },
 171         removeClass: function(c) {
 172                 return this.each(function(){
 173                         jQuery.className.remove(this,c);
 174                 });
 175         },
 176
 177         toggleClass: function(c) {
 178                 return this.each(function(){
 179                         if (jQuery.hasWord(this,c))
 180                                 jQuery.className.remove(this,c);
 181                         else
 182                                 jQuery.className.add(this,c);
 183                 });
 184         },
 185         remove: function() {
 186                 return this.each(function(){
 187                         this.parentNode.removeChild( this );
 188                 });
 189         },
 190
 191         wrap: function() {
 192                 var a = jQuery.clean(arguments);
 193                 return this.each(function(){
 194                         var b = a[0].cloneNode(true);
 195                         this.parentNode.insertBefore( b, this );
 196                         while ( b.firstChild )
 197                                 b = b.firstChild;
 198                         b.appendChild( this );
 199                 });
 200         },
 201
 202         append: function() {
 203                 var clone = this.size() > 1;
 204                 var a = jQuery.clean(arguments);
 205                 return this.domManip(function(){
 206                         for ( var i = 0; i < a.length; i++ )
 207                                 this.appendChild( clone ? a[i].cloneNode(true) : a[i] );
 208                 });
 209         },
 210
 211         appendTo: function() {
 212                 var a = arguments;
 213                 return this.each(function(){
 214                         for ( var i = 0; i < a.length; i++ )
 215                                 $(a[i]).append( this );
 216                 });
 217         },
 218
 219         prepend: function() {
 220                 var clone = this.size() > 1;
 221                 var a = jQuery.clean(arguments);
 222                 return this.domManip(function(){
 223                         for ( var i = a.length - 1; i >= 0; i-- )
 224                                 this.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.firstChild );
 225                 });
 226         },
 227
 228         before: function() {
 229                 var clone = this.size() > 1;
 230                 var a = jQuery.clean(arguments);
 231                 return this.each(function(){
 232                         for ( var i = 0; i < a.length; i++ )
 233                                 this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this );
 234                 });
 235         },
 236
 237         after: function() {
 238                 var clone = this.size() > 1;
 239                 var a = jQuery.clean(arguments);
 240                 return this.each(function(){
 241                         for ( var i = a.length - 1; i >= 0; i-- )
 242                                 this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.nextSibling );
 243                 });
 244         },
 245
 246         empty: function() {
 247                 return this.each(function(){
 248                         while ( this.firstChild )
 249                                 this.removeChild( this.firstChild );
 250                 });
 251         },
 252
 253         bind: function(t,f) {
 254                 return this.each(function(){jQuery.event.add(this,t,f);});
 255         },
 256         unbind: function(t,f) {
 257                 return this.each(function(){jQuery.event.remove(this,t,f);});
 258         },
 259         trigger: function(t) {
 260                 return this.each(function(){jQuery.event.trigger(this,t);});
 261         },
 262
 263         pushStack: function(a) {
 264                 if ( !this.stack ) this.stack = [];
 265                 this.stack.unshift( this.cur );
 266                 if ( a ) this.cur = a;
 267                 return this;
 268         },
 269
 270         find: function(t) {
 271                 var ret = [];
 272                 this.each(function(){
 273                         ret = jQuery.merge( ret, jQuery.Select(t,this) );
 274                 });
 275                 this.pushStack( ret );
 276                 return this;
 277         },
 278
 279         end: function() {
 280                 this.cur = this.stack.shift();
 281                 return this;
 282         },
 283
 284         parent: function(a) {
 285                 var ret = jQuery.map(this.cur,"a.parentNode");
 286                 if ( a ) ret = jQuery.filter(a,ret).r;
 287                 return this.pushStack(ret);
 288         },
 289
 290         parents: function(a) {
 291                 var ret = jQuery.map(this.cur,jQuery.parents);
 292                 if ( a ) ret = jQuery.filter(a,ret).r;
 293                 return this.pushStack(ret);
 294         },
 295
 296         siblings: function(a) {
 297                 // Incorrect, need to exclude current element
 298                 var ret = jQuery.map(this.cur,jQuery.sibling);
 299                 if ( a ) ret = jQuery.filter(a,ret).r;
 300                 return this.pushStack(ret);
 301         },
 302
 303         filter: function(t) {
 304                 if ( /,/.test(t) ) {
 305                         var p = t.split(/\s*,\s*/);
 306                         return this.pushStack( $.map(this.cur,function(a){
 307                                 for ( var i = 0; i < p.length; i++ )
 308                                         if ( jQuery.filter(p[i],[a]).r.length )
 309                                                 return a;
 310                         }) );
 311                 } else
 312                         return this.pushStack( jQuery.filter(t,this.cur).r );
 313         },
 314         not: function(t) {
 315                 return this.pushStack( t.constructor == String ?
 316                         jQuery.filter(t,this.cur,false).r :
 317                         jQuery.grep(this.cur,function(a){ return a != t; }) );
 318         },
 319         add: function(t) {
 320                 return this.pushStack( jQuery.merge( this.cur, t.constructor == String ?
 321                         jQuery.Select(t) : t.constructor == Array ? t : [t] ) );
 322         },
 323
 324         /**
 325          * A wrapper function for each() to be used by append and prepend.
 326          * Handles cases where you're trying to modify the inner contents of
 327          * a table, when you actually need to work with the tbody.
 328          *
 329          * @member jQuery
 330          * @param {String} expr The expression with which to filter
 331          * @type Boolean
 332          */
 333         is: function(expr) {
 334                 return jQuery.filter(expr,this.cur).r.length > 0;
 335         },
 336
 337         /**
 338          * A wrapper function for each() to be used by append and prepend.
 339          * Handles cases where you're trying to modify the inner contents of
 340          * a table, when you actually need to work with the tbody.
 341          *
 342          * @private
 343          * @member jQuery
 344          * @param {Function} fn The function doing the DOM manipulation.
 345          * @type jQuery
 346          */
 347         domManip: function(fn){
 348                 return this.each(function(){
 349                         var obj = this;
 350
 351                         if ( this.nodeName == "TABLE" ) {
 352                                 var tbody = this.getElementsByTagName("tbody");
 353
 354                                 if ( !tbody.length ) {
 355                                         obj = document.createElement("tbody");
 356                                         this.appendChild( obj );
 357                                 } else
 358                                         obj = tbody[0];
 359                         }
 360
 361                         fn.apply( obj );
 362                 });
 363         }
 364 };
 365
 366 /**
 367  * Similar to the Prototype $A() function, only it allows you to
 368  * forcefully pass array-like structures into $().
 369  */
 370 jQuery.A = function(a){
 371         // Create a temporary, clean, array
 372         var r = [];
 373
 374         // and copy the old array contents over to it
 375         for ( var i = 0; i < a.length; i++ )
 376                 r.push( a[i] );
 377
 378         // Return the sane jQuery object
 379         return $(r);
 380 };
 381
 382 jQuery.className = {
 383         add: function(o,c){
 384                 if (jQuery.hasWord(o,c)) return;
 385                 o.className += ( o.className ? " " : "" ) + c;
 386         },
 387         remove: function(o,c){
 388                 o.className = !c ? "" :
 389                         o.className.replace(
 390                                 new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
 391         }
 392 };
 393
 394 (function(){
 395         var b = navigator.userAgent.toLowerCase();
 396
 397         // Figure out what browser is being used
 398         jQuery.browser =
 399                 ( /webkit/.test(b) && "safari" ) ||
 400                 ( /opera/.test(b) && "opera" ) ||
 401                 ( /msie/.test(b) && "msie" ) ||
 402                 ( !/compatible/.test(b) && "mozilla" ) ||
 403                 "other";
 404
 405         // Check to see if the W3C box model is being used
 406         jQuery.boxModel = ( jQuery.browser != "msie" || document.compatMode == "CSS1Compat" );
 407 })();
 408
 409 $.swap = function(e,o,f) {
 410         for ( var i in o ) {
 411                 e.style["old"+i] = e.style[i];
 412                 e.style[i] = o[i];
 413         }
 414         f.apply( e, [] );
 415         for ( var i in o )
 416                 e.style[i] = e.style["old"+i];
 417 };
 418
 419 jQuery.css = function(e,p) {
 420         // Adapted from Prototype 1.4.0
 421         if ( p == "height" || p == "width" ) {
 422                 var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
 423
 424                 for ( var i in d ) {
 425                         old["padding" + d[i]] = 0;
 426                         old["border" + d[i] + "Width"] = 0;
 427                 }
 428
 429                 $.swap( e, old, function() {
 430                         if (jQuery.css(e,"display") != 'none') {
 431                                 oHeight = e.offsetHeight;
 432                                 oWidth = e.offsetWidth;
 433                         } else
 434                                 $.swap( e, { visibility: 'hidden', position: 'absolute', display: '' },
 435                                         function(){
 436                                                 oHeight = e.clientHeight;
 437                                                 oWidth = e.clientWidth;
 438                                         });
 439                 });
 440
 441                 return p == "height" ? oHeight : oWidth;
 442         }
 443
 444         var r;
 445
 446         if (e.style[p])
 447                 r = e.style[p];
 448         else if (e.currentStyle)
 449                 r = e.currentStyle[p];
 450         else if (document.defaultView && document.defaultView.getComputedStyle) {
 451                 p = p.replace(/([A-Z])/g,"-$1").toLowerCase();
 452                 var s = document.defaultView.getComputedStyle(e,"");
 453                 r = s ? s.getPropertyValue(p) : null;
 454         }
 455
 456         return r;
 457 };
 458
 459 jQuery.clean = function(a) {
 460         var r = [];
 461         for ( var i = 0; i < a.length; i++ ) {
 462                 if ( a[i].constructor == String ) {
 463
 464                         if ( !a[i].indexOf("<tr") ) {
 465                                 var tr = true;
 466                                 a[i] = "<table>" + a[i] + "</table>";
 467                         } else if ( !a[i].indexOf("<td") || !a[i].indexOf("<th") ) {
 468                                 var td = true;
 469                                 a[i] = "<table><tbody><tr>" + a[i] + "</tr></tbody></table>";
 470                         }
 471
 472                         var div = document.createElement("div");
 473                         div.innerHTML = a[i];
 474
 475                         if ( tr || td ) {
 476                                 div = div.firstChild.firstChild;
 477                                 if ( td ) div = div.firstChild;
 478                         }
 479
 480                         for ( var j = 0; j < div.childNodes.length; j++ )
 481                                 r[r.length] = div.childNodes[j];
 482                 } else if ( a[i].length && !a[i].nodeType )
 483                         for ( var k = 0; k < a[i].length; k++ )
 484                                 r[r.length] = a[i][k];
 485                 else if ( a[i] !== null )
 486                         r[r.length] =
 487                                 a[i].nodeType ? a[i] : document.createTextNode(a[i].toString());
 488         }
 489         return r;
 490 };
 491
 492 jQuery.g = {
 493         "": "m[2]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()",
 494         "#": "a.getAttribute('id')&&a.getAttribute('id')==m[2]",
 495         ":": {
 496                 lt: "i<m[3]-0",
 497                 gt: "i>m[3]-0",
 498                 nth: "m[3]-0==i",
 499                 eq: "m[3]-0==i",
 500                 first: "i==0",
 501                 last: "i==r.length-1",
 502                 even: "i%2==0",
 503                 odd: "i%2==1",
 504                 "first-child": "jQuery.sibling(a,0).cur",
 505                 "nth-child": "(m[3]=='even'?jQuery.sibling(a,m[3]).n%2==0:(m[3]=='odd'?jQuery.sibling(a,m[3]).n%2==1:jQuery.sibling(a,m[3]).cur))",
 506                 "last-child": "jQuery.sibling(a,0,true).cur",
 507                 "nth-last-child": "jQuery.sibling(a,m[3],true).cur",
 508                 "first-of-type": "jQuery.ofType(a,0)",
 509                 "nth-of-type": "jQuery.ofType(a,m[3])",
 510                 "last-of-type": "jQuery.ofType(a,0,true)",
 511                 "nth-last-of-type": "jQuery.ofType(a,m[3],true)",
 512                 "only-of-type": "jQuery.ofType(a)==1",
 513                 "only-child": "jQuery.sibling(a).length==1",
 514                 parent: "a.childNodes.length",
 515                 empty: "!a.childNodes.length",
 516                 root: "a==(a.ownerDocument||document).documentElement",
 517                 contains: "(a.innerText||a.innerHTML).indexOf(m[3])!=-1",
 518                 visible: "(!a.type||a.type!='hidden')&&(jQuery.css(a,'display')!='none'&&jQuery.css(a,'visibility')!= 'hidden')",
 519                 hidden: "(a.type&&a.type=='hidden')||jQuery.css(a,'display')=='none'||jQuery.css(a,'visibility')== 'hidden'",
 520                 enabled: "!a.disabled",
 521                 disabled: "a.disabled",
 522                 checked: "a.checked"
 523         },
 524         ".": "jQuery.hasWord(a,m[2])",
 525         "@": {
 526                 "=": "jQuery.attr(a,m[3])==m[4]",
 527                 "!=": "jQuery.attr(a,m[3])!=m[4]",
 528                 "~=": "jQuery.hasWord(jQuery.attr(a,m[3]),m[4])",
 529                 "|=": "!jQuery.attr(a,m[3]).indexOf(m[4])",
 530                 "^=": "!jQuery.attr(a,m[3]).indexOf(m[4])",
 531                 "$=": "jQuery.attr(a,m[3]).substr( jQuery.attr(a,m[3]).length - m[4].length,m[4].length )==m[4]",
 532                 "*=": "jQuery.attr(a,m[3]).indexOf(m[4])>=0",
 533                 "": "m[3]=='*'?a.attributes.length>0:jQuery.attr(a,m[3])"
 534         },
 535         "[": "jQuery.Select(m[2],a).length"
 536 };
 537
 538 jQuery.token = [
 539         "\\.\\.|/\\.\\.", "a.parentNode",
 540         ">|/", "jQuery.sibling(a.firstChild)",
 541         "\\+", "jQuery.sibling(a).next",
 542         "~", function(a){
 543                 var r = [];
 544                 var s = jQuery.sibling(a);
 545                 if ( s.n > 0 )
 546                         for ( var i = s.n; i < s.length; i++ )
 547                                 r[r.length] = s[i];
 548                 return r;
 549         }
 550 ];
 551
 552 jQuery.Select = function( t, context ) {
 553         context = context || jQuery.context || document;
 554
 555         if ( t.constructor != String ) return [t];
 556
 557         if ( !t.indexOf("//") ) {
 558                 context = context.documentElement;
 559                 t = t.substr(2,t.length);
 560         } else if ( !t.indexOf("/") ) {
 561                 context = context.documentElement;
 562                 t = t.substr(1,t.length);
 563                 // FIX Assume the root element is right :(
 564                 if ( t.indexOf("/") >= 1 )
 565                         t = t.substr(t.indexOf("/"),t.length);
 566         }
 567
 568         var ret = [context];
 569         var done = [];
 570         var last = null;
 571
 572         while ( t.length > 0 && last != t ) {
 573     var r = [];
 574                 last = t;
 575
 576     t = jQuery.cleanSpaces(t).replace( /^\/\//i, "" );
 577
 578                 var foundToken = false;
 579
 580                 for ( var i = 0; i < jQuery.token.length; i += 2 ) {
 581                         var re = new RegExp("^(" + jQuery.token[i] + ")");
 582                         var m = re.exec(t);
 583
 584                         if ( m ) {
 585                                 r = ret = jQuery.map( ret, jQuery.token[i+1] );
 586                                 t = jQuery.cleanSpaces( t.replace( re, "" ) );
 587                                 foundToken = true;
 588                         }
 589                 }
 590
 591                 if ( !foundToken ) {
 592
 593                         if ( !t.indexOf(",") || !t.indexOf("|") ) {
 594                                 if ( ret[0] == context ) ret.shift();
 595                                 done = jQuery.merge( done, ret );
 596                                 r = ret = [context];
 597                                 t = " " + t.substr(1,t.length);
 598                         } else {
 599                                 var re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
 600                                 var m = re2.exec(t);
 601
 602                                 if ( m[1] == "#" ) {
 603                                         // Ummm, should make this work in all XML docs
 604                                         var oid = document.getElementById(m[2]);
 605                                         r = ret = oid ? [oid] : [];
 606                                         t = t.replace( re2, "" );
 607                                 } else {
 608                                         if ( !m[2] || m[1] == "." ) m[2] = "*";
 609
 610                                         for ( var i = 0; i < ret.length; i++ )
 611                                                 r = jQuery.merge( r,
 612                                                         m[2] == "*" ?
 613                                                                 jQuery.getAll(ret[i]) :
 614                                                                 ret[i].getElementsByTagName(m[2])
 615                                                 );
 616                                 }
 617                         }
 618
 619                 }
 620
 621                 if ( t ) {
 622                         var val = jQuery.filter(t,r);
 623                         ret = r = val.r;
 624                         t = jQuery.cleanSpaces(val.t);
 625                 }
 626         }
 627
 628         if ( ret && ret[0] == context ) ret.shift();
 629         done = jQuery.merge( done, ret );
 630
 631         return done;
 632 };
 633
 634 jQuery.getAll = function(o,r) {
 635         r = r || [];
 636         var s = o.childNodes;
 637         for ( var i = 0; i < s.length; i++ )
 638                 if ( s[i].nodeType == 1 ) {
 639                         r[r.length] = s[i];
 640                         jQuery.getAll( s[i], r );
 641                 }
 642         return r;
 643 };
 644
 645 jQuery.attr = function(o,a,v){
 646         if ( a && a.constructor == String ) {
 647                 var fix = {
 648                         "for": "htmlFor",
 649                         "class": "className",
 650                         "float": "cssFloat"
 651                 };
 652                 a = (fix[a] && fix[a].replace && fix[a]) || a;
 653                 var r = /-([a-z])/ig;
 654                 a = a.replace(r,function(z,b){return b.toUpperCase();});
 655                 if ( v != undefined ) {
 656                         o[a] = v;
 657                         if ( o.setAttribute && a != "disabled" )
 658                                 o.setAttribute(a,v);
 659                 }
 660                 return o[a] || o.getAttribute(a) || "";
 661         } else
 662                 return "";
 663 };
 664
 665 jQuery.filter = function(t,r,not) {
 666         var g = jQuery.grep;
 667         if ( not === false )
 668                 g = function(a,f) {return jQuery.grep(a,f,true);};
 669
 670         while ( t && t.match(/^[:\\.#\\[a-zA-Z\\*]/) ) {
 671                 var re = /^\[ *@([a-z0-9*()_-]+) *([~!|*$^=]*) *'?"?([^'"]*)'?"? *\]/i;
 672                 var m = re.exec(t);
 673
 674                 if ( m )
 675                         m = ["", "@", m[2], m[1], m[3]];
 676                 else {
 677                         re = /^(\[) *([^\]]*) *\]/i;
 678                         m = re.exec(t);
 679
 680                         if ( !m ) {
 681                                 re = /^(:)([a-z0-9*_-]*)\( *["']?([^ \)'"]*)['"]? *\)/i;
 682                                 m = re.exec(t);
 683
 684                                 if ( !m ) {
 685                                         re = /^([:\.#]*)([a-z0-9*_-]*)/i;
 686                                         m = re.exec(t);
 687                                 }
 688                         }
 689                 }
 690                 t = t.replace( re, "" );
 691
 692                 if ( m[1] == ":" && m[2] == "not" )
 693                         r = jQuery.filter(m[3],r,false).r;
 694                 else {
 695                         var f = null;
 696
 697                         if ( jQuery.g[m[1]].constructor == String )
 698                                 f = jQuery.g[m[1]];
 699                         else if ( jQuery.g[m[1]][m[2]] )
 700                                 f = jQuery.g[m[1]][m[2]];
 701
 702                         if ( f ) {
 703                                 eval("f = function(a,i){return " + f + "}");
 704                                 r = g( r, f );
 705                         }
 706                 }
 707         }
 708
 709         return { r: r, t: t };
 710 };
 711
 712 jQuery.parents = function(a){
 713         var b = [];
 714         var c = a.parentNode;
 715         while ( c && c != document ) {
 716                 b[b.length] = c;
 717                 c = c.parentNode;
 718         }
 719         return b;
 720 };
 721
 722 jQuery.cleanSpaces = function(t){
 723         return t.replace(/^\s+|\s+$/g, "");
 724 };
 725
 726 jQuery.ofType = function(a,n,e) {
 727         var t = jQuery.grep(jQuery.sibling(a),function(b){ return b.nodeName == a.nodeName; });
 728         if ( e ) n = t.length - n - 1;
 729         return n != undefined ? t[n] == a : t.length;
 730 };
 731
 732 jQuery.sibling = function(a,n,e) {
 733         var type = [];
 734         var tmp = a.parentNode.childNodes;
 735         for ( var i = 0; i < tmp.length; i++ ) {
 736                 if ( tmp[i].nodeType == 1 )
 737                         type[type.length] = tmp[i];
 738                 if ( tmp[i] == a )
 739                         type.n = type.length - 1;
 740         }
 741         if ( e ) n = type.length - n - 1;
 742         type.cur = ( type[n] == a );
 743         type.prev = ( type.n > 0 ? type[type.n - 1] : null );
 744         type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
 745         return type;
 746 };
 747
 748 jQuery.hasWord = function(e,a) {
 749         if ( e == undefined ) return;
 750         if ( e.className ) e = e.className;
 751         return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e);
 752 };
 753
 754 jQuery.merge = function(a,b) {
 755         var d = [];
 756         for ( var k = 0; k < b.length; k++ ) d[k] = b[k];
 757
 758         for ( var i = 0; i < a.length; i++ ) {
 759                 var c = true;
 760                 for ( var j = 0; j < b.length; j++ )
 761                         if ( a[i] == b[j] )
 762                                 c = false;
 763                 if ( c ) d[d.length] = a[i];
 764         }
 765
 766         return d;
 767 };
 768
 769 jQuery.grep = function(a,f,s) {
 770         if ( f.constructor == String )
 771                 f = new Function("a","i","return " + f);
 772         var r = [];
 773         if ( a )
 774                 for ( var i = 0; i < a.length; i++ )
 775                         if ( (!s && f(a[i],i)) || (s && !f(a[i],i)) )
 776                                 r[r.length] = a[i];
 777         return r;
 778 };
 779
 780 jQuery.map = function(a,f) {
 781         if ( f.constructor == String )
 782                 f = new Function("a","return " + f);
 783
 784         var r = [];
 785         for ( var i = 0; i < a.length; i++ ) {
 786                 var t = f(a[i],i);
 787                 if ( t !== null && t != undefined ) {
 788                         if ( t.constructor != Array ) t = [t];
 789                         r = jQuery.merge( t, r );
 790                 }
 791         }
 792         return r;
 793 };
 794
 795 jQuery.event = {
 796
 797         // Bind an event to an element
 798         // Original by Dean Edwards
 799         add: function(element, type, handler) {
 800                 // For whatever reason, IE has trouble passing the window object
 801                 // around, causing it to be cloned in the process
 802                 if ( jQuery.browser == "msie" && element.setInterval != undefined )
 803                         element = window;
 804
 805                 if (!handler.guid) handler.guid = jQuery.event.guid++;
 806                 if (!element.events) element.events = {};
 807                 var handlers = element.events[type];
 808                 if (!handlers) {
 809                         handlers = element.events[type] = {};
 810                         if (element["on" + type])
 811                                 handlers[0] = element["on" + type];
 812                 }
 813                 handlers[handler.guid] = handler;
 814                 element["on" + type] = jQuery.event.handle;
 815         },
 816
 817         guid: 1,
 818
 819         // Detach an event or set of events from an element
 820         remove: function(element, type, handler) {
 821                 if (element.events)
 822                         if (type && element.events[type])
 823                                 if ( handler )
 824                                         delete element.events[type][handler.guid];
 825                                 else
 826                                         for ( var i in element.events[type] )
 827                                                 delete element.events[type][i];
 828                         else
 829                                 for ( var j in element.events )
 830                                         jQuery.event.remove( element, j );
 831         },
 832
 833         trigger: function(element,type,data) {
 834                 data = data || [ jQuery.event.fix({ type: type }) ];
 835                 if ( element && element["on" + type] )
 836                         element["on" + type].apply( element, data );
 837         },
 838
 839         handle: function(event) {
 840                 // Handle adding events to items in IFrames, in IE
 841                 event = event ||
 842                         jQuery.event.fix( ((this.ownerDocument || this.document ||
 843                                 this).parentWindow || window).event );
 844
 845                 // If no correct event was found, fail
 846                 if ( !event ) return;
 847
 848                 var returnValue = true, handlers = [];
 849
 850                 for ( var j in this.events[event.type] )
 851                         handlers[handlers.length] = this.events[event.type][j];
 852
 853                 for ( var i = 0; i < handlers.length; i++ )
 854                         if ( handlers[i].constructor == Function ) {
 855                                 this.handleEvent = handlers[i];
 856                                 if (this.handleEvent(event) === false) {
 857                                         event.preventDefault();
 858                                         event.stopPropagation();
 859                                         returnValue = false;
 860                                 }
 861                         }
 862                 return returnValue;
 863         },
 864
 865         fix: function(event) {
 866                 if ( event ) {
 867                         event.preventDefault = function() {
 868                                 this.returnValue = false;
 869                         };
 870
 871                         event.stopPropagation = function() {
 872                                 this.cancelBubble = true;
 873                         };
 874                 }
 875
 876                 return event;
 877         }
 878
 879 };