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