jquery/jquery.js

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