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 in a )
 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 in a )
 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                 parents: function(a) {
 238                         return this;
 239                 },
 240
 241                 filter: function(t) {
 242                         this.cur = $.filter(t,this.cur).r;
 243                         return this;
 244                 },
 245                 not: function(t) {
 246                         this.cur = t.constructor == String ?
 247                                 $.filter(t,this.cur,false).r :
 248                                 $.grep(this.cur,function(a){return a != t;});
 249                         return this;
 250                 },
 251                 add: function(t) {
 252                         this.cur = $.merge( this.cur, t.constructor == String ?
 253                                 $.Select(t) : t.constructor == Array ? t : [t] );
 254                         return this;
 255                 },
 256                 is: function(t) {
 257                         return $.filter(t,this.cur).r.length > 0;
 258                 },
 259                 isNot: function(t) {
 260                         return !this.s(t);
 261                 }
 262         };
 263
 264         // TODO: Remove need to return this
 265         for ( var i in $.fn ) {
 266                 if ( self[i] != null )
 267                         self["_"+i] = self[i];
 268                 self[i] = $.fn[i];
 269         }
 270
 271         if ( typeof Prototype != "undefined" && $a.constructor != String ) {
 272                 if ( $c ) $a = self.get();
 273                 for ( var i in self ) {(function(j){
 274                         try {
 275                                 if ( $a[j] == null ) {
 276                                         $a[j] = function() {
 277                                                 return $.apply(self,self[j],arguments);
 278                                         };
 279                                 }
 280                         } catch(e) {}
 281                 })(i);}
 282                 return $a;
 283         }
 284
 285         return self;
 286 }
 287
 288 $.apply = function(o,f,a) {
 289         a = a || [];
 290         if ( f.apply )
 291                 return f.apply( o, a );
 292         else {
 293                 var p = [];
 294                 for (var i = 0; i < a.length; i++)
 295                         p[i] = 'a['+i+']';
 296                 o.$$exec = this;
 297                 var r = eval('o.$$exec(' + p.join(',') + ')');
 298                 o.$$exec = null;
 299                 return r;
 300         }
 301 };
 302
 303 $.getCSS = function(e,p) {
 304         // Adapted from Prototype 1.4.0
 305         if ( p == 'height' || p == 'width' ) {
 306                 if ($.getCSS(e,"display") != 'none')
 307                         return p == 'height' ?
 308                                 e.offsetHeight || parseInt(e.style.height) :
 309                                 e.offsetWidth || parseInt(e.style.width);
 310                 var els = e.style;
 311                 var ov = els.visibility;
 312                 var op = els.position;
 313                 var od = els.display;
 314                 els.visibility = 'hidden';
 315                 els.position = 'absolute';
 316                 els.display = '';
 317                 var oHeight = e.clientHeight || parseInt(e.style.height);
 318                 var oWidth = e.clientWidth || parseInt(e.style.width);
 319                 els.display = od;
 320                 els.position = op;
 321                 els.visibility = ov;
 322                 return p == 'height' ? oHeight : oWidth;
 323         }
 324
 325         if (e.style[p])
 326                 return e.style[p];
 327         else if (e.currentStyle)
 328                 return e.currentStyle[p];
 329         else if (document.defaultView && document.defaultView.getComputedStyle) {
 330                 p = p.replace(/([A-Z])/g,"-$1");
 331                 p = p.toLowerCase();
 332                 var s = document.defaultView.getComputedStyle(e,"");
 333                 var r = s ? s.getPropertyValue(p) : p;
 334                 return r;
 335         } else
 336                 return null;
 337 };
 338 $.css = $.getCSS;
 339
 340 $.clean = function(a) {
 341         var r = [];
 342         for ( var i = 0; i < a.length; i++ )
 343                 if ( a[i].constructor == String ) {
 344                         var div = document.createElement("div");
 345                         div.innerHTML = a[i];
 346                         for ( var j = 0; j < div.childNodes.length; j++ )
 347                                 r[r.length] = div.childNodes[j];
 348                 } else if ( a[i].length )
 349                         for ( var j = 0; j < a[i].length; j++ )
 350                                 r[r.length] = a[i][j];
 351                 else if ( a[i] != null )
 352                         r[r.length] =
 353                                 a[i].nodeType ? a[i] : document.createTextNode(a[i].toString());
 354         return r;
 355 };
 356
 357 $.g = {
 358         '': "m[2] == '*' || a.nodeName.toUpperCase() == m[2].toUpperCase()",
 359         '#': "a.id == m[2]",
 360         ':': {
 361                 lt: "i < m[3]-0",
 362                 gt: "i > m[3]-0",
 363                 nth: "m[3] - 0 == i",
 364                 eq: "m[3] - 0 == i",
 365                 first: "i == 0",
 366                 last: "i == r.length - 1",
 367                 even: "i % 2 == 0",
 368                 odd: "i % 2 == 1",
 369                 "first-child": "$.sibling(a,0).cur",
 370                 "nth-child": "(m[3] == 'even'?$.sibling(a,m[3]).n % 2 == 0 :(m[3] == 'odd'?$.sibling(a,m[3]).n % 2 == 1:$.sibling(a,m[3]).cur))",
 371                 "last-child": "$.sibling(a,0,true).cur",
 372                 "nth-last-child": "$.sibling(a,m[3],true).cur",
 373                 "first-of-type": "$.ofType(a,0)",
 374                 "nth-of-type": "$.ofType(a,m[3])",
 375                 "last-of-type": "$.ofType(a,0,true)",
 376                 "nth-last-of-type": "$.ofType(a,m[3],true)",
 377                 "only-of-type": "$.ofType(a) == 1",
 378                 "only-child": "$.sibling(a).length == 1",
 379                 parent: "a.childNodes.length > 0",
 380                 empty: "a.childNodes.length == 0",
 381                 root: "a == ( a.ownerDocument ? a.ownerDocument : document ).documentElement",
 382                 contains: "(a.innerText || a.innerHTML).indexOf(m[3]) != -1",
 383                 visible: "(!a.type || a.type != 'hidden') && ($.getCSS(a,'display') != 'none' && $.getCSS(a,'visibility') != 'hidden')",
 384                 hidden: "(a.type && a.type == 'hidden') || $.getCSS(a,'display') == 'none' || $.getCSS(a,'visibility') == 'hidden'",
 385                 enabled: "a.disabled == false",
 386                 disabled: "a.disabled",
 387                 checked: "a.checked"
 388         },
 389         // TODO: Write getAttribute helper
 390         ".": "$.hasWord(a.className||a.getAttribute('class'),m[2])",
 391         "@": {
 392                 "=": "$.attr(a,m[3]) == m[4]",
 393                 "!=": "$.attr(a,m[3]) != m[4]",
 394                 "~=": "$.hasWord($.attr(a,m[3]),m[4])",
 395                 "|=": "$.attr(a,m[3]).indexOf(m[4]) == 0",
 396                 "^=": "$.attr(a,m[3]).indexOf(m[4]) == 0",
 397                 "$=": "$.attr(a,m[3]).substr( $.attr(a,m[3]).length - m[4].length, m[4].length ) == m[4]",
 398                 "*=": "$.attr(a,m[3]).indexOf(m[4]) >= 0",
 399                 "": "m[3] == '*' ? a.attributes.length > 0 : $.attr(a,m[3])"
 400         },
 401         "[": "$.Select(m[2],a).length > 0"
 402 };
 403
 404 $.fn = {};
 405
 406 $.Select = function( t, context ) {
 407         context = context || $.context || document;
 408         if ( t.constructor != String ) return [t];
 409
 410         if ( t.indexOf("//") == 0 ) {
 411                 context = context.documentElement;
 412                 t = t.substr(2,t.length);
 413         } else if ( t.indexOf("/") == 0 ) {
 414                 context = context.documentElement;
 415                 t = t.substr(1,t.length);
 416                 // FIX Assume the root element is right :(
 417                 if ( t.indexOf('/') )
 418                         t = t.substr(t.indexOf('/'),t.length);
 419         }
 420
 421         var ret = [context];
 422         var done = [];
 423         var last = null;
 424
 425         while ( t.length > 0 && last != t ) {
 426             var r = [];
 427                         last = t;
 428
 429             t = $.cleanSpaces(t);
 430
 431             var re = new RegExp( "^//", "i" );
 432             t = t.replace( re, "" );
 433
 434             if ( t.indexOf('..') == 0 || t.indexOf('/..') == 0 ) {
 435                         if ( t.indexOf('/') == 0 )
 436                                 t = t.substr(1,t.length);
 437                         r = $.map( ret, function(a){ return a.parentNode; } );
 438                         t = t.substr(2,t.length);
 439                         t = $.cleanSpaces(t);
 440             } else if ( t.indexOf('>') == 0 || t.indexOf('/') == 0 ) {
 441                         r = $.map( ret, function(a){ return ( a.childNodes.length > 0 ? $.sibling( a.firstChild ) : null ); } );
 442                         t = t.substr(1,t.length);
 443                         t = $.cleanSpaces(t);
 444             } else if ( t.indexOf('+') == 0 ) {
 445                         r = $.map( ret, function(a){ return $.sibling(a).next; } );
 446                         t = t.substr(1,t.length);
 447                         t = $.cleanSpaces(t);
 448             } else if ( t.indexOf('~') == 0 ) {
 449                         r = $.map( ret, function(a){
 450                                 var r = [];
 451                                 var s = $.sibling(a);
 452                                 if ( s.n > 0 )
 453                                         for ( var i = s.n; i < s.length; i++ )
 454                                                 r[r.length] = s[i];
 455                                         return r;
 456                         });
 457                         t = t.substr(1,t.length);
 458                         t = $.cleanSpaces(t);
 459             } else if ( t.indexOf(',') == 0 || t.indexOf('|') == 0 ) {
 460                         if ( ret[0] == context ) ret.shift();
 461                         done = $.merge( done, ret );
 462                         r = ret = [context];
 463                         t = " " + t.substr(1,t.length);
 464             } else {
 465                         var re = new RegExp( "^([#.]?)([a-z0-9\\*_-]*)", "i" );
 466                         var m = re.exec(t);
 467
 468                         if ( m[1] == "#" ) { // Ummm, should make this work in all XML docs
 469                                 var oid = document.getElementById(m[2]);
 470                                 r = oid ? [oid] : [];
 471                                 t = t.replace( re, "" );
 472                         } else {
 473                                 if ( m[2] == "" || m[1] == "." ) m[2] = "*";
 474
 475                                 for ( var i = 0; i < ret.length; i++ ) {
 476                                         var o = ret[i];
 477                                         if ( o ) {
 478                                                 switch( m[2] ) {
 479                                                         case '*':
 480                                                                 r = $.merge( $.getAll(o), r );
 481                                                         break;
 482                                                         case 'text': case 'radio': case 'checkbox': case 'hidden':
 483                                                         case 'button': case 'submit': case 'image': case 'password':
 484                                                         case 'reset': case 'file':
 485                                                                 r = $.merge( $.grep( $.tag(o,"input"),
 486                                                                         function(a){ return a.type == m[2] }), r );
 487                                                         break;
 488                                                         case 'input':
 489                                                                 r = $.merge( $.tag(o,"input"), r );
 490                                                                 r = $.merge( $.tag(o,"select"), r );
 491                                                                 r = $.merge( $.tag(o,"textarea"), r );
 492                                                         break;
 493                                                         default:
 494                                                                 r = $.merge( r, $.tag(o,m[2]) );
 495                                                         break;
 496                                                 }
 497                                         }
 498                                 }
 499                         }
 500                 }
 501
 502                 var val = $.filter(t,r);
 503                 ret = r = val.r;
 504                 t = $.cleanSpaces(val.t);
 505         }
 506
 507         if ( ret && ret[0] == context ) ret.shift();
 508         done = $.merge( done, ret );
 509         return done;
 510 };
 511
 512 $.tag = function(a,b){
 513         return a && typeof a.getElementsByTagName != "undefined" ?
 514                 a.getElementsByTagName( b ) : [];
 515 };
 516
 517 $.attr = function(o,a,v){
 518   if ( a && a.constructor == String ) {
 519     var fix = {
 520       'for': 'htmlFor',
 521       'text': 'cssText',
 522       'class': 'className',
 523       'float': 'cssFloat'
 524     };
 525     a = (fix[a] && fix[a].replace && fix[a]) || a;
 526     var r = new RegExp("-([a-z])","ig");
 527     a = a.replace(r,function(z,b){return b.toUpperCase();});
 528     if ( v != null ) {
 529       o[a] = v;
 530       if ( o.setAttribute ) o.setAttribute(a,v);
 531     }
 532     return o[a] || o.getAttribute(a) || '';
 533   } else return '';
 534 };
 535
 536 $.filter = function(t,r,not) {
 537         var g = $.grep;
 538         if ( not == false ) var g = function(a,f) {return $.grep(a,f,true);};
 539
 540         while ( t.length > 0 && t.match(/^[:\\.#\\[a-zA-Z\\*]/) ) {
 541                 var re = new RegExp( "^\\[ *@([a-z0-9\\(\\)_-]+) *([~!\\|\\*$^=]*) *'?\"?([^'\"]*)'?\"? *\\]", "i" );
 542                 var m = re.exec(t);
 543
 544                 if ( m != null ) {
 545                         m = ['', '@', m[2], m[1], m[3]];
 546                 } else {
 547                         var re = new RegExp( "^(\\[) *([^\\]]*) *\\]", "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                                 if ( m == null ) {
 555                                         var re = new RegExp( "^([:\\.#]*)([a-z0-9\\*_-]*)", "i" );
 556                                         var m = re.exec(t);
 557                                 }
 558                         }
 559                 }
 560                 t = t.replace( re, "" );
 561
 562                 if ( m[1] == ":" && m[2] == "not" )
 563                         r = $.filter(m[3],r,false).r;
 564                 else {
 565                         if ( $.g[m[1]].constructor == String )
 566                                 var f = $.g[m[1]];
 567                         else if ( $.g[m[1]][m[2]] )
 568                                 var f = $.g[m[1]][m[2]];
 569
 570                         if ( f != null ) {
 571                                 eval("f = function(a,i){return " + f + "}");
 572                                 r = g( r, f );
 573                         }
 574                 }
 575         }
 576         return { r: r, t: t };
 577 };
 578
 579 $.parents = function(a){
 580         var b = [];
 581         var c = a.parentNode;
 582         while ( c != null && c != document ) {
 583                 b[b.length] = c;
 584                 c = c.parentNode;
 585         }
 586         return b;
 587 };
 588
 589 $.cleanSpaces = function(t){return t.replace(/^\s+|\s+$/g, '')};
 590
 591 $.ofType = function(a,n,e) {
 592   var t = $.grep($.sibling(a),function(b){return b.nodeName == a.nodeName});
 593   if ( e ) n = t.length - n - 1;
 594   return n != null ? t[n] == a : t.length;
 595 };
 596
 597 $.sibling = function(a,n,e) {
 598   var type = [];
 599   var tmp = a.parentNode.childNodes;
 600   for ( var i = 0; i < tmp.length; i++ ) {
 601     if ( tmp[i].nodeType == 1 )
 602       type[type.length] = tmp[i];
 603     if ( tmp[i] == a )
 604       type.n = type.length - 1;
 605   }
 606   if ( e ) n = type.length - n - 1;
 607   type.cur = ( type[n] == a );
 608   type.prev = ( type.n > 0 ? type[type.n - 1] : null );
 609   type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
 610   return type;
 611 };
 612
 613 $.hasWord = function(e,a) {
 614   if ( e == null ) return false;
 615   if ( e.className != null ) e = e.className;
 616   return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e)
 617 };
 618
 619 $.getAll = function(o,r) {
 620         r = r || [];
 621         var s = o.childNodes;
 622         for ( var i = 0; i < s.length; i++ ) {
 623                 if ( s[i].nodeType == 1 ) {
 624                         r[r.length] = s[i];
 625                         $.getAll( s[i], r );
 626                 }
 627         }
 628         return r;
 629 };
 630
 631 $.merge = function(a,b) {
 632         var d = [];
 633         for ( var j = 0; j < b.length; j++ )
 634                 d[j] = b[j];
 635
 636   for ( var i = 0; i < a.length; i++ ) {
 637     var c = true;
 638     for ( var j = 0; j < b.length; j++ )
 639       if ( a[i] == b[j] )
 640         c = false;
 641                 if ( c )
 642                         d[d.length] = a[i];
 643   }
 644         return d;
 645 };
 646
 647 $.grep = function(a,f,s) {
 648   var r = [];
 649         if ( a != null )
 650                 for ( var i = 0; i < a.length; i++ )
 651                         if ( (!s && f(a[i],i)) || (s && !f(a[i],i)) )
 652                                 r[r.length] = a[i];
 653   return r;
 654 };
 655
 656 $.map = function(a,f) {
 657   var r = [];
 658   for ( var i = 0; i < a.length; i++ ) {
 659     var t = f(a[i],i);
 660     if ( t != null ) {
 661       if ( t.constructor != Array ) t = [t];
 662                         r = $.merge( t, r );
 663                 }
 664   }
 665   return r;
 666 };
 667
 668 // Bind an event to an element
 669 // Original by Dean Edwards
 670 function addEvent(element, type, handler) {
 671         if ( element.location ) element = window; // Ughhhhh....
 672         if (!handler.$$guid) handler.$$guid = addEvent.guid++;
 673         if (!element.events) element.events = {};
 674         var handlers = element.events[type];
 675         if (!handlers) {
 676                 handlers = element.events[type] = {};
 677                 if (element["on" + type])
 678                         handlers[0] = element["on" + type];
 679         }
 680         handlers[handler.$$guid] = handler;
 681         element["on" + type] = handleEvent;
 682 };
 683 addEvent.guid = 1;
 684
 685 // Detach an event or set of events from an element
 686 function removeEvent(element, type, handler) {
 687         if (element.events) {
 688                 if (type && element.events[type]) {
 689                         if ( handler ) {
 690                                 delete element.events[type][handler.$$guid];
 691                         } else {
 692                                 for ( var i in element.events[type] )
 693                                         delete element.events[type][i];
 694                         }
 695                 } else {
 696                         for ( var i in element.events )
 697                                 removeEvent( element, i );
 698                 }
 699         }
 700 };
 701
 702 function triggerEvent(element,type) {
 703   if ( element["on" + type] )
 704     element["on" + type]({ type: type });
 705 }
 706
 707 function handleEvent(event) {
 708         var returnValue = true;
 709         event = event || fixEvent(window.event);
 710         var handlers = [];
 711         for ( var i in this.events[event.type] )
 712                 handlers[handlers.length] = this.events[event.type][i];
 713   for ( var i = 0; i < handlers.length; i++ ) {
 714                 try {
 715                         if ( handlers[i].constructor == Function ) {
 716                                 this.$$handleEvent = handlers[i];
 717                                 if (this.$$handleEvent(event) === false) {
 718                                         event.preventDefault();
 719                                         event.stopPropagation();
 720                                         returnValue = false;
 721                                 }
 722                         }
 723                 } catch(e){}
 724         }
 725         return returnValue;
 726 };
 727
 728 function fixEvent(event) {
 729         event.preventDefault = fixEvent.preventDefault;
 730         event.stopPropagation = fixEvent.stopPropagation;
 731         return event;
 732 };
 733 fixEvent.preventDefault = function() {
 734         this.returnValue = false;
 735 };
 736 fixEvent.stopPropagation = function() {
 737         this.cancelBubble = true;
 738 };
 739
 740 // Move to module
 741
 742 $.fn.text = function(e) {
 743         e = e || this.cur;
 744         var t = "";
 745         for ( var j = 0; j < e.length; j++ ) {
 746                 for ( var i = 0; i < e[j].childNodes.length; i++ )
 747                         t += e[j].childNodes[i].nodeType != 1 ?
 748                                 e[j].childNodes[i].nodeValue :
 749                                 $.fn.text(e[j].childNodes[i].childNodes);
 750         }
 751         return t;
 752 };
 753
 754 setTimeout(function(){
 755   if ( typeof Prototype != "undefined" && $.g == null && $.clean == null )
 756     throw "Error: You are overwriting jQuery, please include jQuery last.";
 757 }, 1000);