jquery/jquery.js

   1 /*
   2  * jQuery (jquery.com)
   3  *
   4  * Copyright (c) 2006 John Resig (ejohn.org)
   5  * Licensed under the MIT License:
   6  *   http://www.opensource.org/licenses/mit-license.php
   7  *
   8  * $Date$
   9  * $Rev$
  10  */
  11
  12 function $(a,c) {
  13         var $a = a || $.context || document;
  14         var $c = c && c.$jquery && c.get(0) || c;
  15
  16         // Since we're using Prototype's $ function,
  17         // be nice and have backwards compatability
  18         if ( typeof Prototype != "undefined" ) {
  19                 if ( $a.constructor == String ) {
  20                         var re = new RegExp( "[^a-zA-Z0-9_-]" );
  21                         if ( !re.test($a) ) {
  22                                 $c = $c && $c.documentElement || document;
  23                                 if ( $c.getElementsByTagName($a).length == 0 ) {
  24                                         var obj = $c.getElementById($a);
  25                                         if ( obj != null ) return obj;
  26                                 }
  27                         }
  28                 } else if ( $a.constructor == Array ) {
  29                         return $.map( $a, function(b){
  30                                 if ( b.constructor == String )
  31                                         return document.getElementById(b);
  32                                 return b;
  33                         });
  34                 }
  35         }
  36
  37         // Load Dynamic Function List
  38         var self = {
  39                 cur: $.Select($a,$c),
  40                 $jquery: "$Rev$",
  41
  42                 // The only two getters
  43                 size: function() {return this.get().length},
  44                 get: function(i) {
  45                         return i == null ? this.cur : this.cur[i];
  46                 },
  47
  48                 each: function(f) {
  49                         for ( var i = 0; i < this.size(); i++ )
  50                                 $.apply( this.get(i), f, [i] );
  51                         return this;
  52                 },
  53                 set: function(a,b) {
  54                         return this.each(function(){
  55                                 if ( b == null )
  56                                         for ( var j in a )
  57                                                 $.attr(this,j,a[j]);
  58                                 else
  59                                         $.attr(this,a,b);
  60                         });
  61                 },
  62                 html: function(h) {
  63                         return h == null && this.size() ?
  64                                 this.get(0).innerHTML : this.set( "innerHTML", h );
  65                 },
  66                 val: function(h) {
  67                         return h == null && this.size() ?
  68                                 this.get(0).value : this.set( "value", h );
  69                 },
  70
  71                 css: function(a,b) {
  72                         return  a.constructor != String || b ?
  73                                 this.each(function(){
  74                                         if ( !b )
  75                                                 for ( var j in a )
  76                                                         $.attr(this.style,j,a[j]);
  77                                         else
  78                                                 $.attr(this.style,a,b);
  79                                 }) : $.css( this.get(0), a );
  80                 },
  81                 toggle: function() {
  82                         return this.each(function(){
  83                                 var d = $.getCSS(this,"display");
  84                                 if ( d == "none" || d == '' )
  85                                         $(this).show();
  86                                 else
  87                                         $(this).hide();
  88                         });
  89                 },
  90                 show: function(a) {
  91                         return this.each(function(){
  92                                 this.style.display = this.$$oldblock ? this.$$oldblock : '';
  93                                 if ( $.getCSS(this,"display") == "none" ) this.style.display = 'block';
  94                         });
  95                 },
  96                 hide: function(a) {
  97                         return this.each(function(){
  98                                 this.$$oldblock = $.getCSS(this,"display");
  99                                 if ( this.$$oldblock == "none" ) this.$$oldblock = 'block';
 100                                 this.style.display = 'none';
 101                         });
 102                 },
 103                 addClass: function(c) {
 104                         return this.each(function(){
 105                                 if ($.hasWord(this,c)) return;
 106                                 this.className += ( this.className.length > 0 ? " " : "" ) + c;
 107                         });
 108                 },
 109                 removeClass: function(c) {
 110                         return this.each(function(){
 111                                 this.className = c == null ? '' :
 112                                         this.className.replace(
 113                                                 new RegExp('(^|\\s*\\b[^-])'+c+'($|\\b(?=[^-]))', 'g'), '');
 114                         });
 115                 },
 116                 // TODO: Optomize
 117                 toggleClass: function(c) {
 118                         return this.each(function(){
 119                                 if ($.hasWord(this,c))
 120                                         this.className =
 121                                                 this.className.replace(
 122                                                         new RegExp('(\\s*\\b[^-])'+c+'($|\\b(?=[^-]))', 'g'), '');
 123                                 else
 124                                         this.className += ( this.className.length > 0 ? " " : "" ) + c;
 125                         });
 126                 },
 127                 remove: function() {
 128                         this.each(function(){this.parentNode.removeChild( this );});
 129                         this.cur = [];
 130                         return this;
 131                 },
 132
 133                 wrap: function() {
 134                         var a = $.clean(arguments);
 135                         return this.each(function(){
 136                                 var b = a[0].cloneNode(true);
 137                                 this.parentNode.insertBefore( b, this );
 138                                 while ( b.firstChild ) b = b.firstChild;
 139                                 b.appendChild( this );
 140                         });
 141                 },
 142
 143                 append: function() {
 144                         var clone = this.size() > 1;
 145                         var a = $.clean(arguments);
 146                         return this.each(function(){
 147                                 for ( var i = 0; i < a.length; i++ )
 148                                   this.appendChild( clone ? a[i].cloneNode(true) : a[i] );
 149                         });
 150                 },
 151
 152                 appendTo: function() {
 153                         var a = arguments;
 154                         return this.each(function(){
 155                                 for ( var i = 0; i < a.length; i++ )
 156                                         $(a[i]).append( this );
 157                         });
 158                 },
 159
 160                 prepend: function() {
 161                         var clone = this.size() > 1;
 162                         var a = $.clean(arguments);
 163                         return this.each(function(){
 164                                 for ( var i = a.length - 1; i >= 0; i-- )
 165                                         this.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.firstChild );
 166                         });
 167                 },
 168
 169                 before: function() {
 170                         var clone = this.size() > 1;
 171                         var a = $.clean(arguments);
 172                         return this.each(function(){
 173                                 for ( var i = 0; i < a.length; i++ )
 174                                         this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this );
 175                         });
 176                 },
 177
 178                 after: function() {
 179                         var clone = this.size() > 1;
 180                         var a = $.clean(arguments);
 181                         return this.each(function(){
 182                                 for ( var i = a.length - 1; i >= 0; i-- )
 183                                         this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.nextSibling );
 184                         });
 185                 },
 186
 187                 empty: function() {
 188                         return this.each(function(){
 189                                 while ( this.firstChild )
 190                                         this.removeChild( this.firstChild );
 191                         });
 192                 },
 193
 194                 bind: function(t,f) {
 195                         return this.each(function(){addEvent(this,t,f);});
 196                 },
 197                 unbind: function(t,f) {
 198                         return this.each(function(){removeEvent(this,t,f);});
 199                 },
 200                 trigger: function(t) {
 201                         return this.each(function(){triggerEvent(this,t);});
 202                 },
 203
 204                 find: function(t) {
 205                         var old = [], ret = [];
 206                         this.each(function(){
 207                                 old[old.length] = this;
 208                                 ret = $.merge( ret, $.Select(t,this) );
 209                         });
 210                         this.old = old;
 211                         this.cur = ret;
 212                         return this;
 213                 },
 214                 end: function() {
 215                         this.cur = this.old;
 216                         return this;
 217                 },
 218
 219                 parent: function(a) {
 220                         this.cur = $.map(this.cur,function(d){
 221                                 return d.parentNode;
 222                         });
 223                         if ( a ) this.cur = $.filter(a,this.cur).r;
 224                         return this;
 225                 },
 226
 227                 parents: function(a) {
 228                         this.cur = $.map(this.cur,$.parents);
 229                         if ( a ) this.cur = $.filter(a,this.cur).r;
 230                         return this;
 231                 },
 232
 233                 siblings: function(a) {
 234                         // Incorrect, need to exclude current element
 235                         this.cur = $.map(this.cur,$.sibling);
 236                         if ( a ) this.cur = $.filter(a,this.cur).r;
 237                         return this;
 238                 },
 239
 240                 filter: function(t) {
 241                         this.cur = $.filter(t,this.cur).r;
 242                         return this;
 243                 },
 244                 not: function(t) {
 245                         this.cur = t.constructor == String ?
 246                                 $.filter(t,this.cur,false).r :
 247                                 $.grep(this.cur,function(a){return a != t;});
 248                         return this;
 249                 },
 250                 add: function(t) {
 251                         this.cur = $.merge( this.cur, t.constructor == String ?
 252                                 $.Select(t) : t.constructor == Array ? t : [t] );
 253                         return this;
 254                 },
 255                 is: function(t) {
 256                         return $.filter(t,this.cur).r.length > 0;
 257                 },
 258                 isNot: function(t) {
 259                         return !this.s(t);
 260                 }
 261         };
 262
 263         // TODO: Remove need to return this
 264         for ( var i in $.fn ) {
 265                 if ( self[i] != null )
 266                         self["_"+i] = self[i];
 267                 self[i] = $.fn[i];
 268         }
 269
 270         if ( typeof Prototype != "undefined" && $a.constructor != String ) {
 271                 if ( $c ) $a = self.get();
 272                 for ( var i in self ) {(function(j){
 273                         try {
 274                                 if ( $a[j] == null ) {
 275                                         $a[j] = function() {
 276                                                 return $.apply(self,self[j],arguments);
 277                                         };
 278                                 }
 279                         } catch(e) {}
 280                 })(i);}
 281                 return $a;
 282         }
 283
 284         return self;
 285 }
 286
 287 $.apply = function(o,f,a) {
 288         a = a || [];
 289         if ( f.apply )
 290                 return f.apply( o, a );
 291         else {
 292                 var p = [];
 293                 for (var i = 0; i < a.length; i++)
 294                         p[i] = 'a['+i+']';
 295                 o.$$exec = this;
 296                 var r = eval('o.$$exec(' + p.join(',') + ')');
 297                 o.$$exec = null;
 298                 return r;
 299         }
 300 };
 301
 302 $.getCSS = function(e,p) {
 303         // Adapted from Prototype 1.4.0
 304         if ( p == 'height' || p == 'width' ) {
 305                 if ($.getCSS(e,"display") != 'none')
 306                         return p == 'height' ?
 307                                 e.offsetHeight || parseInt(e.style.height) :
 308                                 e.offsetWidth || parseInt(e.style.width);
 309                 var els = e.style;
 310                 var ov = els.visibility;
 311                 var op = els.position;
 312                 var od = els.display;
 313                 els.visibility = 'hidden';
 314                 els.position = 'absolute';
 315                 els.display = '';
 316                 var oHeight = e.clientHeight || parseInt(e.style.height);
 317                 var oWidth = e.clientWidth || parseInt(e.style.width);
 318                 els.display = od;
 319                 els.position = op;
 320                 els.visibility = ov;
 321                 return p == 'height' ? oHeight : oWidth;
 322         }
 323
 324         if (e.style[p])
 325                 return e.style[p];
 326         else if (e.currentStyle)
 327                 return e.currentStyle[p];
 328         else if (document.defaultView && document.defaultView.getComputedStyle) {
 329                 p = p.replace(/([A-Z])/g,"-$1");
 330                 p = p.toLowerCase();
 331                 var s = document.defaultView.getComputedStyle(e,"");
 332                 var r = s ? s.getPropertyValue(p) : p;
 333                 return r;
 334         } else
 335                 return null;
 336 };
 337 $.css = $.getCSS;
 338
 339 $.clean = function(a) {
 340         var r = [];
 341         for ( var i = 0; i < a.length; i++ )
 342                 if ( a[i].constructor == String ) {
 343                         var div = document.createElement("div");
 344                         div.innerHTML = a[i];
 345                         for ( var j = 0; j < div.childNodes.length; j++ )
 346                                 r[r.length] = div.childNodes[j];
 347                 } else if ( a[i].length )
 348                         for ( var j = 0; j < a[i].length; j++ )
 349                                 r[r.length] = a[i][j];
 350                 else if ( a[i] != null )
 351                         r[r.length] =
 352                                 a[i].nodeType ? a[i] : document.createTextNode(a[i].toString());
 353         return r;
 354 };
 355
 356 $.g = {
 357         '': "m[2] == '*' || a.nodeName.toUpperCase() == m[2].toUpperCase()",
 358         '#': "a.id == m[2]",
 359         ':': {
 360                 lt: "i < m[3]-0",
 361                 gt: "i > m[3]-0",
 362                 nth: "m[3] - 0 == i",
 363                 eq: "m[3] - 0 == i",
 364                 first: "i == 0",
 365                 last: "i == r.length - 1",
 366                 even: "i % 2 == 0",
 367                 odd: "i % 2 == 1",
 368                 "first-child": "$.sibling(a,0).cur",
 369                 "nth-child": "(m[3] == 'even'?$.sibling(a,m[3]).n % 2 == 0 :(m[3] == 'odd'?$.sibling(a,m[3]).n % 2 == 1:$.sibling(a,m[3]).cur))",
 370                 "last-child": "$.sibling(a,0,true).cur",
 371                 "nth-last-child": "$.sibling(a,m[3],true).cur",
 372                 "first-of-type": "$.ofType(a,0)",
 373                 "nth-of-type": "$.ofType(a,m[3])",
 374                 "last-of-type": "$.ofType(a,0,true)",
 375                 "nth-last-of-type": "$.ofType(a,m[3],true)",
 376                 "only-of-type": "$.ofType(a) == 1",
 377                 "only-child": "$.sibling(a).length == 1",
 378                 parent: "a.childNodes.length > 0",
 379                 empty: "a.childNodes.length == 0",
 380                 root: "a == ( a.ownerDocument ? a.ownerDocument : document ).documentElement",
 381                 contains: "(a.innerText || a.innerHTML).indexOf(m[3]) != -1",
 382                 visible: "(!a.type || a.type != 'hidden') && ($.getCSS(a,'display') != 'none' && $.getCSS(a,'visibility') != 'hidden')",
 383                 hidden: "(a.type && a.type == 'hidden') || $.getCSS(a,'display') == 'none' || $.getCSS(a,'visibility') == 'hidden'",
 384                 enabled: "a.disabled == false",
 385                 disabled: "a.disabled",
 386                 checked: "a.checked"
 387         },
 388         // TODO: Write getAttribute helper
 389         ".": "$.hasWord(a,m[2])",
 390         "@": {
 391                 "=": "$.attr(a,m[3]) == m[4]",
 392                 "!=": "$.attr(a,m[3]) != m[4]",
 393                 "~=": "$.hasWord($.attr(a,m[3]),m[4])",
 394                 "|=": "$.attr(a,m[3]).indexOf(m[4]) == 0",
 395                 "^=": "$.attr(a,m[3]).indexOf(m[4]) == 0",
 396                 "$=": "$.attr(a,m[3]).substr( $.attr(a,m[3]).length - m[4].length, m[4].length ) == m[4]",
 397                 "*=": "$.attr(a,m[3]).indexOf(m[4]) >= 0",
 398                 "": "m[3] == '*' ? a.attributes.length > 0 : $.attr(a,m[3])"
 399         },
 400         "[": "$.Select(m[2],a).length > 0"
 401 };
 402
 403 $.fn = {};
 404
 405 $.Select = function( t, context ) {
 406         context = context || $.context || document;
 407         if ( t.constructor != String ) return [t];
 408
 409         if ( t.indexOf("//") == 0 ) {
 410                 context = context.documentElement;
 411                 t = t.substr(2,t.length);
 412         } else if ( t.indexOf("/") == 0 ) {
 413                 context = context.documentElement;
 414                 t = t.substr(1,t.length);
 415                 // FIX Assume the root element is right :(
 416                 if ( t.indexOf('/') )
 417                         t = t.substr(t.indexOf('/'),t.length);
 418         }
 419
 420         var ret = [context];
 421         var done = [];
 422         var last = null;
 423
 424         while ( t.length > 0 && last != t ) {
 425             var r = [];
 426                         last = t;
 427
 428             t = $.cleanSpaces(t);
 429
 430             var re = new RegExp( "^//", "i" );
 431             t = t.replace( re, "" );
 432
 433             if ( t.indexOf('..') == 0 || t.indexOf('/..') == 0 ) {
 434                         if ( t.indexOf('/') == 0 )
 435                                 t = t.substr(1,t.length);
 436                         r = $.map( ret, function(a){ return a.parentNode; } );
 437                         t = t.substr(2,t.length);
 438                         t = $.cleanSpaces(t);
 439             } else if ( t.indexOf('>') == 0 || t.indexOf('/') == 0 ) {
 440                         r = $.map( ret, function(a){ return ( a.childNodes.length > 0 ? $.sibling( a.firstChild ) : null ); } );
 441                         t = t.substr(1,t.length);
 442                         t = $.cleanSpaces(t);
 443             } else if ( t.indexOf('+') == 0 ) {
 444                         r = $.map( ret, function(a){ return $.sibling(a).next; } );
 445                         t = t.substr(1,t.length);
 446                         t = $.cleanSpaces(t);
 447             } else if ( t.indexOf('~') == 0 ) {
 448                         r = $.map( ret, function(a){
 449                                 var r = [];
 450                                 var s = $.sibling(a);
 451                                 if ( s.n > 0 )
 452                                         for ( var i = s.n; i < s.length; i++ )
 453                                                 r[r.length] = s[i];
 454                                         return r;
 455                         });
 456                         t = t.substr(1,t.length);
 457                         t = $.cleanSpaces(t);
 458             } else if ( t.indexOf(',') == 0 || t.indexOf('|') == 0 ) {
 459                         if ( ret[0] == context ) ret.shift();
 460                         done = $.merge( done, ret );
 461                         r = ret = [context];
 462                         t = " " + t.substr(1,t.length);
 463             } else {
 464                         var re = new RegExp( "^([#.]?)([a-z0-9\\*_-]*)", "i" );
 465                         var m = re.exec(t);
 466
 467                         if ( m[1] == "#" ) { // Ummm, should make this work in all XML docs
 468                                 var oid = document.getElementById(m[2]);
 469                                 r = oid ? [oid] : [];
 470                                 t = t.replace( re, "" );
 471                         } else {
 472                                 if ( m[2] == "" || m[1] == "." ) m[2] = "*";
 473
 474                                 for ( var i = 0; i < ret.length; i++ ) {
 475                                         var o = ret[i];
 476                                         if ( o ) {
 477                                                 switch( m[2] ) {
 478                                                         case '*':
 479                                                                 r = $.merge( $.getAll(o), r );
 480                                                         break;
 481                                                         case 'text': case 'radio': case 'checkbox': case 'hidden':
 482                                                         case 'button': case 'submit': case 'image': case 'password':
 483                                                         case 'reset': case 'file':
 484                                                                 r = $.merge( $.grep( $.tag(o,"input"),
 485                                                                         function(a){ return a.type == m[2] }), r );
 486                                                         break;
 487                                                         case 'input':
 488                                                                 r = $.merge( $.tag(o,"input"), r );
 489                                                                 r = $.merge( $.tag(o,"select"), r );
 490                                                                 r = $.merge( $.tag(o,"textarea"), r );
 491                                                         break;
 492                                                         default:
 493                                                                 r = $.merge( r, $.tag(o,m[2]) );
 494                                                         break;
 495                                                 }
 496                                         }
 497                                 }
 498                         }
 499                 }
 500
 501                 var val = $.filter(t,r);
 502                 ret = r = val.r;
 503                 t = $.cleanSpaces(val.t);
 504         }
 505
 506         if ( ret && ret[0] == context ) ret.shift();
 507         done = $.merge( done, ret );
 508         return done;
 509 };
 510
 511 $.tag = function(a,b){
 512         return a && typeof a.getElementsByTagName != "undefined" ?
 513                 a.getElementsByTagName( b ) : [];
 514 };
 515
 516 $.attr = function(o,a,v){
 517         if ( a && a.constructor == String ) {
 518                 var fix = {
 519                         'for': 'htmlFor',
 520                         'text': 'cssText',
 521                         'class': 'className',
 522                         'float': 'cssFloat'
 523                 };
 524                 a = (fix[a] && fix[a].replace && fix[a]) || a;
 525                 var r = new RegExp("-([a-z])","ig");
 526                 a = a.replace(r,function(z,b){return b.toUpperCase();});
 527                 if ( v != null ) {
 528                         o[a] = v;
 529                         if ( o.setAttribute ) o.setAttribute(a,v);
 530                 }
 531                 return o[a] || o.getAttribute(a) || '';
 532         } else return '';
 533 };
 534
 535 $.filter = function(t,r,not) {
 536         var g = $.grep;
 537         if ( not == false ) var g = function(a,f) {return $.grep(a,f,true);};
 538
 539         while ( t.length > 0 && t.match(/^[:\\.#\\[a-zA-Z\\*]/) ) {
 540                 var re = new RegExp( "^\\[ *@([a-z0-9\\(\\)_-]+) *([~!\\|\\*$^=]*) *'?\"?([^'\"]*)'?\"? *\\]", "i" );
 541                 var m = re.exec(t);
 542
 543                 if ( m != null ) {
 544                         m = ['', '@', m[2], m[1], m[3]];
 545                 } else {
 546                         var re = new RegExp( "^(\\[) *([^\\]]*) *\\]", "i" );
 547                         var m = re.exec(t);
 548
 549                         if ( m == null ) {
 550                                 var re = new RegExp( "^(:)([a-z0-9\\*_-]*)\\( *[\"']?([^ \\)'\"]*)['\"]? *\\)", "i" );
 551                                 var m = re.exec(t);
 552
 553                                 if ( m == null ) {
 554                                         var re = new RegExp( "^([:\\.#]*)([a-z0-9\\*_-]*)", "i" );
 555                                         var m = re.exec(t);
 556                                 }
 557                         }
 558                 }
 559                 t = t.replace( re, "" );
 560
 561                 if ( m[1] == ":" && m[2] == "not" )
 562                         r = $.filter(m[3],r,false).r;
 563                 else {
 564                         if ( $.g[m[1]].constructor == String )
 565                                 var f = $.g[m[1]];
 566                         else if ( $.g[m[1]][m[2]] )
 567                                 var f = $.g[m[1]][m[2]];
 568
 569                         if ( f != null ) {
 570                                 eval("f = function(a,i){return " + f + "}");
 571                                 r = g( r, f );
 572                         }
 573                 }
 574         }
 575         return { r: r, t: t };
 576 };
 577
 578 $.parents = function(a){
 579         var b = [];
 580         var c = a.parentNode;
 581         while ( c != null && c != document ) {
 582                 b[b.length] = c;
 583                 c = c.parentNode;
 584         }
 585         return b;
 586 };
 587
 588 $.cleanSpaces = function(t){
 589         return t.replace(/^\s+|\s+$/g, '')
 590 };
 591
 592 $.ofType = function(a,n,e) {
 593         var t = $.grep($.sibling(a),function(b){return b.nodeName == a.nodeName});
 594         if ( e ) n = t.length - n - 1;
 595         return n != null ? t[n] == a : t.length;
 596 };
 597
 598 $.sibling = function(a,n,e) {
 599         var type = [];
 600         var tmp = a.parentNode.childNodes;
 601         for ( var i = 0; i < tmp.length; i++ ) {
 602                 if ( tmp[i].nodeType == 1 )
 603                         type[type.length] = tmp[i];
 604                 if ( tmp[i] == a )
 605                         type.n = type.length - 1;
 606         }
 607         if ( e ) n = type.length - n - 1;
 608         type.cur = ( type[n] == a );
 609         type.prev = ( type.n > 0 ? type[type.n - 1] : null );
 610         type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
 611         return type;
 612 };
 613
 614 $.hasWord = function(e,a) {
 615         if ( e == null ) return false;
 616         if ( e.className != null ) e = e.className;
 617         return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e)
 618 };
 619
 620 $.getAll = function(o,r) {
 621         r = r || [];
 622         var s = o.childNodes;
 623         for ( var i = 0; i < s.length; i++ ) {
 624                 if ( s[i].nodeType == 1 ) {
 625                         r[r.length] = s[i];
 626                         $.getAll( s[i], r );
 627                 }
 628         }
 629         return r;
 630 };
 631
 632 $.merge = function(a,b) {
 633         var d = [];
 634         for ( var j = 0; j < b.length; j++ )
 635                 d[j] = b[j];
 636
 637         for ( var i = 0; i < a.length; i++ ) {
 638                 var c = true;
 639                 for ( var j = 0; j < b.length; j++ )
 640                         if ( a[i] == b[j] )
 641                                 c = false;
 642                         if ( c )
 643                                 d[d.length] = a[i];
 644         }
 645         return d;
 646 };
 647
 648 $.grep = function(a,f,s) {
 649         var r = [];
 650         if ( a != null )
 651                 for ( var i = 0; i < a.length; i++ )
 652                         if ( (!s && f(a[i],i)) || (s && !f(a[i],i)) )
 653                                 r[r.length] = a[i];
 654         return r;
 655 };
 656
 657 $.map = function(a,f) {
 658         var r = [];
 659         for ( var i = 0; i < a.length; i++ ) {
 660                 var t = f(a[i],i);
 661                 if ( t != null ) {
 662                         if ( t.constructor != Array ) t = [t];
 663                         r = $.merge( t, r );
 664                 }
 665         }
 666         return r;
 667 };
 668
 669 // Bind an event to an element
 670 // Original by Dean Edwards
 671 function addEvent(element, type, handler) {
 672         if ( element.location ) element = window; // Ughhhhh....
 673         if (!handler.$$guid) handler.$$guid = addEvent.guid++;
 674         if (!element.events) element.events = {};
 675         var handlers = element.events[type];
 676         if (!handlers) {
 677                 handlers = element.events[type] = {};
 678                 if (element["on" + type])
 679                         handlers[0] = element["on" + type];
 680         }
 681         handlers[handler.$$guid] = handler;
 682         element["on" + type] = handleEvent;
 683 };
 684 addEvent.guid = 1;
 685
 686 // Detach an event or set of events from an element
 687 function removeEvent(element, type, handler) {
 688         if (element.events) {
 689                 if (type && element.events[type]) {
 690                         if ( handler ) {
 691                                 delete element.events[type][handler.$$guid];
 692                         } else {
 693                                 for ( var i in element.events[type] )
 694                                         delete element.events[type][i];
 695                         }
 696                 } else {
 697                         for ( var i in element.events )
 698                                 removeEvent( element, i );
 699                 }
 700         }
 701 };
 702
 703 function triggerEvent(element,type,data) {
 704         data = data || [{ type: type }];
 705         if ( element && element["on" + type] )
 706                 $.apply( element, element["on" + type], data );
 707 }
 708
 709 function handleEvent(event) {
 710         var returnValue = true;
 711         event = event || fixEvent(window.event);
 712         var handlers = [];
 713         for ( var i in this.events[event.type] )
 714                 handlers[handlers.length] = this.events[event.type][i];
 715         for ( var i = 0; i < handlers.length; i++ ) {
 716                 try {
 717                         if ( handlers[i].constructor == Function ) {
 718                                 this.$$handleEvent = handlers[i];
 719                                 if (this.$$handleEvent(event) === false) {
 720                                         event.preventDefault();
 721                                         event.stopPropagation();
 722                                         returnValue = false;
 723                                 }
 724                         }
 725                 } catch(e){}
 726         }
 727         return returnValue;
 728 };
 729
 730 function fixEvent(event) {
 731         event.preventDefault = fixEvent.preventDefault;
 732         event.stopPropagation = fixEvent.stopPropagation;
 733         return event;
 734 };
 735 fixEvent.preventDefault = function() {
 736         this.returnValue = false;
 737 };
 738 fixEvent.stopPropagation = function() {
 739         this.cancelBubble = true;
 740 };
 741
 742 // Move to module
 743
 744 $.fn.text = function(e) {
 745         e = e || this.cur;
 746         var t = "";
 747         for ( var j = 0; j < e.length; j++ ) {
 748                 for ( var i = 0; i < e[j].childNodes.length; i++ )
 749                         t += e[j].childNodes[i].nodeType != 1 ?
 750                                 e[j].childNodes[i].nodeValue :
 751                                 $.fn.text(e[j].childNodes[i].childNodes);
 752         }
 753         return t;
 754 };
 755
 756 setTimeout(function(){
 757         if ( typeof Prototype != "undefined" && $.g == null && $.clean == null )
 758                 throw "Error: You are overwriting jQuery, please include jQuery last.";
 759 }, 1000);