2 * jQuery - New Wave Javascript
4 * Copyright (c) 2006 John Resig (jquery.com)
5 * Licensed under the MIT License:
6 * http://www.opensource.org/licenses/mit-license.php
12 // Global undefined variable
13 window.undefined = window.undefined;
16 * Create a new jQuery Object
19 function jQuery(a,c) {
20 // Watch for when a jQuery object is passed in as an arg
24 // If the context is global, return a new object
26 return new jQuery(a,c);
28 // Find the matching elements and save them for later
29 this.cur = jQuery.Select(
30 a || jQuery.context || document,
31 c && c.jquery && c.get(0) || c
36 * The jQuery query object.
42 * Handle support for overriding other $() functions. Way too many libraries
43 * provide this function to simply ignore it and overwrite it.
46 var $ = function(a,c) {
47 // Check to see if this is a possible collision case
48 if ( !c && a.constructor == String &&
50 // Make sure that the expression is a colliding one
51 !/[^a-zA-Z0-9_-]/.test(a) &&
53 // and that there are no elements that match it
54 // (this is the one truly ambiguous case)
55 !document.getElementsByTagName(a).length ) {
57 // Only return the element if it's found
58 var obj = document.getElementById(a);
59 if ( obj ) return obj;
66 jQuery.fn = jQuery.prototype = {
68 * The current SVN version of jQuery.
76 * The number of elements currently matched.
81 return this.get().length;
85 * Access the elements matched. If a number is provided,
86 * the Nth element is returned, otherwise, an array of all
87 * matched items is returned.
89 * @type Array,DOMElement
92 return num == undefined ? this.cur : this.cur[num];
96 for ( var i = 0; i < this.size(); i++ )
97 f.apply( this.get(i), [i] );
101 return this.each(function(){
102 if ( b === undefined )
104 jQuery.attr(this,j,a[j]);
106 jQuery.attr(this,a,b);
110 return h == undefined && this.size() ?
111 this.get(0).innerHTML : this.set( "innerHTML", h );
114 return h == undefined && this.size() ?
115 this.get(0).value : this.set( "value", h );
120 for ( var j = 0; j < e.length; j++ )
121 for ( var i = 0; i < e[j].childNodes.length; i++ )
122 t += e[j].childNodes[i].nodeType != 1 ?
123 e[j].childNodes[i].nodeValue :
124 jQuery.fn.text(e[j].childNodes[i].childNodes);
129 return a.constructor != String || b ?
130 this.each(function(){
131 if ( b === undefined )
133 jQuery.attr(this.style,j,a[j]);
135 jQuery.attr(this.style,a,b);
136 }) : jQuery.css( this.get(0), a );
139 return this.each(function(){
140 var d = jQuery.css(this,"display");
141 if ( !d || d == "none" )
148 return this.each(function(){
149 this.style.display = this.oldblock ? this.oldblock : "";
150 if ( jQuery.css(this,"display") == "none" )
151 this.style.display = "block";
155 return this.each(function(){
156 this.oldblock = jQuery.css(this,"display");
157 if ( this.oldblock == "none" )
158 this.oldblock = "block";
159 this.style.display = "none";
162 addClass: function(c) {
163 return this.each(function(){
164 jQuery.className.add(this,c);
167 removeClass: function(c) {
168 return this.each(function(){
169 jQuery.className.remove(this,c);
173 toggleClass: function(c) {
174 return this.each(function(){
175 if (jQuery.hasWord(this,c))
176 jQuery.className.remove(this,c);
178 jQuery.className.add(this,c);
182 this.each(function(){this.parentNode.removeChild( this );});
183 return this.pushStack( [] );
187 var a = jQuery.clean(arguments);
188 return this.each(function(){
189 var b = a[0].cloneNode(true);
190 this.parentNode.insertBefore( b, this );
191 while ( b.firstChild )
193 b.appendChild( this );
198 var clone = this.size() > 1;
199 var a = jQuery.clean(arguments);
200 return this.domManip(function(){
201 for ( var i = 0; i < a.length; i++ )
202 this.appendChild( clone ? a[i].cloneNode(true) : a[i] );
206 appendTo: function() {
208 return this.each(function(){
209 for ( var i = 0; i < a.length; i++ )
210 $(a[i]).append( this );
214 prepend: function() {
215 var clone = this.size() > 1;
216 var a = jQuery.clean(arguments);
217 return this.domManip(function(){
218 for ( var i = a.length - 1; i >= 0; i-- )
219 this.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.firstChild );
224 var clone = this.size() > 1;
225 var a = jQuery.clean(arguments);
226 return this.each(function(){
227 for ( var i = 0; i < a.length; i++ )
228 this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this );
233 var clone = this.size() > 1;
234 var a = jQuery.clean(arguments);
235 return this.each(function(){
236 for ( var i = a.length - 1; i >= 0; i-- )
237 this.parentNode.insertBefore( clone ? a[i].cloneNode(true) : a[i], this.nextSibling );
242 return this.each(function(){
243 while ( this.firstChild )
244 this.removeChild( this.firstChild );
248 bind: function(t,f) {
249 return this.each(function(){jQuery.event.add(this,t,f);});
251 unbind: function(t,f) {
252 return this.each(function(){jQuery.event.remove(this,t,f);});
254 trigger: function(t) {
255 return this.each(function(){jQuery.event.trigger(this,t);});
258 pushStack: function(a) {
259 if ( !this.stack ) this.stack = [];
260 this.stack.unshift( this.cur );
261 if ( a ) this.cur = a;
267 this.each(function(){
268 ret = jQuery.merge( ret, jQuery.Select(t,this) );
270 this.pushStack( ret );
275 this.cur = this.stack.shift();
279 parent: function(a) {
280 var ret = jQuery.map(this.cur,"d.parentNode");
281 if ( a ) ret = jQuery.filter(a,ret).r;
282 return this.pushStack(ret);
285 parents: function(a) {
286 var ret = jQuery.map(this.cur,jQuery.parents);
287 if ( a ) ret = jQuery.filter(a,ret).r;
288 return this.pushStack(ret);
291 siblings: function(a) {
292 // Incorrect, need to exclude current element
293 var ret = jQuery.map(this.cur,jQuery.sibling);
294 if ( a ) ret = jQuery.filter(a,ret).r;
295 return this.pushStack(ret);
298 filter: function(t) {
299 return this.pushStack( jQuery.filter(t,this.cur).r );
302 return this.pushStack( t.constructor == String ?
303 jQuery.filter(t,this.cur,false).r :
304 jQuery.grep(this.cur,function(a){ return a != t; }) );
307 return this.pushStack( jQuery.merge( this.cur, t.constructor == String ?
308 jQuery.Select(t) : t.constructor == Array ? t : [t] ) );
312 * A wrapper function for each() to be used by append and prepend.
313 * Handles cases where you're trying to modify the inner contents of
314 * a table, when you actually need to work with the tbody.
317 * @param {String} expr The expression with which to filter
321 return jQuery.filter(expr,this.cur).r.length > 0;
325 * A wrapper function for each() to be used by append and prepend.
326 * Handles cases where you're trying to modify the inner contents of
327 * a table, when you actually need to work with the tbody.
331 * @param {Function} fn The function doing the DOM manipulation.
334 domManip: function(fn){
335 return this.each(function(){
338 if ( this.nodeName == "TABLE" ) {
339 var tbody = this.getElementsByTagName("tbody");
341 if ( !tbody.length ) {
342 obj = document.createElement("tbody");
343 this.appendChild( obj );
355 if (jQuery.hasWord(o,c)) return;
356 o.className += ( o.className ? " " : "" ) + c;
358 remove: function(o,c){
359 o.className = !c ? "" :
361 new RegExp("(^|\\s*\\b[^-])"+c+"($|\\b(?=[^-]))", "g"), "");
366 var b = navigator.userAgent.toLowerCase();
368 // Figure out what browser is being used
370 ( /webkit/.test(b) && "safari" ) ||
371 ( /opera/.test(b) && "opera" ) ||
372 ( /msie/.test(b) && "msie" ) ||
373 ( !/compatible/.test(b) && "mozilla" ) ||
376 // Check to see if the W3C box model is being used
377 jQuery.boxModel = ( jQuery.browser != "msie" || document.compatMode == "CSS1Compat" );
380 jQuery.css = function(e,p) {
381 // Adapted from Prototype 1.4.0
382 if ( p == "height" || p == "width" ) {
384 // Handle extra width/height provided by the W3C box model
385 var ph = (!jQuery.boxModel ? 0 :
386 jQuery.css(e,"paddingTop") + jQuery.css(e,"paddingBottom") +
387 jQuery.css(e,"borderTopWidth") + jQuery.css(e,"borderBottomWidth")) || 0;
389 var pw = (!jQuery.boxModel ? 0 :
390 jQuery.css(e,"paddingLeft") + jQuery.css(e,"paddingRight") +
391 jQuery.css(e,"borderLeftWidth") + jQuery.css(e,"borderRightWidth")) || 0;
395 if (jQuery.css(e,"display") != 'none') {
396 oHeight = e.offsetHeight || parseInt(e.style.height) || 0;
397 oWidth = e.offsetWidth || parseInt(e.style.width) || 0;
400 var ov = els.visibility;
401 var op = els.position;
402 var od = els.display;
403 els.visibility = "hidden";
404 els.position = "absolute";
406 oHeight = e.clientHeight || parseInt(e.style.height);
407 oWidth = e.clientWidth || parseInt(e.style.width);
413 return p == "height" ?
414 (oHeight - ph < 0 ? 0 : oHeight - ph) :
415 (oWidth - pw < 0 ? 0 : oWidth - pw);
422 else if (e.currentStyle)
423 r = e.currentStyle[p];
424 else if (document.defaultView && document.defaultView.getComputedStyle) {
425 p = p.replace(/([A-Z])/g,"-$1").toLowerCase();
426 var s = document.defaultView.getComputedStyle(e,"");
427 r = s ? s.getPropertyValue(p) : null;
430 return /top|right|left|bottom/i.test(p) ? parseFloat( r ) : r;
433 jQuery.clean = function(a) {
435 for ( var i = 0; i < a.length; i++ ) {
436 if ( a[i].constructor == String ) {
438 if ( !a[i].indexOf("<tr") ) {
440 a[i] = "<table>" + a[i] + "</table>";
441 } else if ( !a[i].indexOf("<td") || !a[i].indexOf("<th") ) {
443 a[i] = "<table><tbody><tr>" + a[i] + "</tr></tbody></table>";
446 var div = document.createElement("div");
447 div.innerHTML = a[i];
450 div = div.firstChild.firstChild;
451 if ( td ) div = div.firstChild;
454 for ( var j = 0; j < div.childNodes.length; j++ )
455 r[r.length] = div.childNodes[j];
456 } else if ( a[i].length && !a[i].nodeType )
457 for ( var k = 0; k < a[i].length; k++ )
458 r[r.length] = a[i][k];
459 else if ( a[i] !== null )
461 a[i].nodeType ? a[i] : document.createTextNode(a[i].toString());
467 "": "m[2]== '*'||a.nodeName.toUpperCase()==m[2].toUpperCase()",
468 "#": "a.getAttribute('id')&&a.getAttribute('id')==m[2]",
475 last: "i==r.length-1",
478 "first-child": "jQuery.sibling(a,0).cur",
479 "nth-child": "(m[3]=='even'?jQuery.sibling(a,m[3]).n%2==0:(m[3]=='odd'?jQuery.sibling(a,m[3]).n%2==1:jQuery.sibling(a,m[3]).cur))",
480 "last-child": "jQuery.sibling(a,0,true).cur",
481 "nth-last-child": "jQuery.sibling(a,m[3],true).cur",
482 "first-of-type": "jQuery.ofType(a,0)",
483 "nth-of-type": "jQuery.ofType(a,m[3])",
484 "last-of-type": "jQuery.ofType(a,0,true)",
485 "nth-last-of-type": "jQuery.ofType(a,m[3],true)",
486 "only-of-type": "jQuery.ofType(a)==1",
487 "only-child": "jQuery.sibling(a).length==1",
488 parent: "a.childNodes.length",
489 empty: "!a.childNodes.length",
490 root: "a==(a.ownerDocument||document).documentElement",
491 contains: "(a.innerText||a.innerHTML).indexOf(m[3])!=-1",
492 visible: "(!a.type||a.type!='hidden')&&(jQuery.css(a,'display')!='none'&&jQuery.css(a,'visibility')!= 'hidden')",
493 hidden: "(a.type&&a.type=='hidden')||jQuery.css(a,'display')=='none'||jQuery.css(a,'visibility')== 'hidden'",
494 enabled: "!a.disabled",
495 disabled: "a.disabled",
498 ".": "jQuery.hasWord(a,m[2])",
500 "=": "jQuery.attr(a,m[3])==m[4]",
501 "!=": "jQuery.attr(a,m[3])!=m[4]",
502 "~=": "jQuery.hasWord(jQuery.attr(a,m[3]),m[4])",
503 "|=": "!jQuery.attr(a,m[3]).indexOf(m[4])",
504 "^=": "!jQuery.attr(a,m[3]).indexOf(m[4])",
505 "$=": "jQuery.attr(a,m[3]).substr( jQuery.attr(a,m[3]).length - m[4].length,m[4].length )==m[4]",
506 "*=": "jQuery.attr(a,m[3]).indexOf(m[4])>=0",
507 "": "m[3]=='*'?a.attributes.length>0:jQuery.attr(a,m[3])"
509 "[": "jQuery.Select(m[2],a).length"
513 "\\.\\.|/\\.\\.", "a.parentNode",
514 ">|/", "jQuery.sibling(a.firstChild)",
515 "\\+", "jQuery.sibling(a).next",
518 var s = jQuery.sibling(a);
520 for ( var i = s.n; i < s.length; i++ )
526 jQuery.Select = function( t, context ) {
527 context = context || jQuery.context || document;
528 if ( t.constructor != String )
529 return t.constructor == Array ? t : [t];
531 if ( !t.indexOf("//") ) {
532 context = context.documentElement;
533 t = t.substr(2,t.length);
534 } else if ( !t.indexOf("/") ) {
535 context = context.documentElement;
536 t = t.substr(1,t.length);
537 // FIX Assume the root element is right :(
538 if ( t.indexOf("/") >= 1 )
539 t = t.substr(t.indexOf("/"),t.length);
546 while ( t.length > 0 && last != t ) {
550 t = jQuery.cleanSpaces(t).replace( /^\/\//i, "" );
552 var foundToken = false;
554 for ( var i = 0; i < jQuery.token.length; i += 2 ) {
555 var re = new RegExp("^(" + jQuery.token[i] + ")");
559 r = ret = jQuery.map( ret, jQuery.token[i+1] );
560 t = jQuery.cleanSpaces( t.replace( re, "" ) );
567 if ( !t.indexOf(",") || !t.indexOf("|") ) {
568 if ( ret[0] == context ) ret.shift();
569 done = jQuery.merge( done, ret );
571 t = " " + t.substr(1,t.length);
573 var re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
577 // Ummm, should make this work in all XML docs
578 var oid = document.getElementById(m[2]);
579 r = ret = oid ? [oid] : [];
580 t = t.replace( re2, "" );
582 if ( !m[2] || m[1] == "." ) m[2] = "*";
584 for ( var i = 0; i < ret.length; i++ )
587 jQuery.getAll(ret[i]) :
588 ret[i].getElementsByTagName(m[2])
596 var val = jQuery.filter(t,r);
598 t = jQuery.cleanSpaces(val.t);
602 if ( ret && ret[0] == context ) ret.shift();
603 done = jQuery.merge( done, ret );
608 jQuery.getAll = function(o,r) {
610 var s = o.childNodes;
611 for ( var i = 0; i < s.length; i++ )
612 if ( s[i].nodeType == 1 ) {
614 jQuery.getAll( s[i], r );
619 jQuery.attr = function(o,a,v){
620 if ( a && a.constructor == String ) {
623 "class": "className",
626 a = (fix[a] && fix[a].replace && fix[a]) || a;
627 var r = /-([a-z])/ig;
628 a = a.replace(r,function(z,b){return b.toUpperCase();});
629 if ( v != undefined ) {
631 if ( o.setAttribute && a != "disabled" )
634 return o[a] || o.getAttribute(a) || "";
639 jQuery.filter = function(t,r,not) {
642 g = function(a,f) {return jQuery.grep(a,f,true);};
644 while ( t && t.match(/^[:\\.#\\[a-zA-Z\\*]/) ) {
645 var re = /^\[ *@([a-z0-9*()_-]+) *([~!|*$^=]*) *'?"?([^'"]*)'?"? *\]/i;
649 m = ["", "@", m[2], m[1], m[3]];
651 re = /^(\[) *([^\]]*) *\]/i;
655 re = /^(:)([a-z0-9*_-]*)\( *["']?([^ \)'"]*)['"]? *\)/i;
659 re = /^([:\.#]*)([a-z0-9*_-]*)/i;
664 t = t.replace( re, "" );
666 if ( m[1] == ":" && m[2] == "not" )
667 r = jQuery.filter(m[3],r,false).r;
671 if ( jQuery.g[m[1]].constructor == String )
673 else if ( jQuery.g[m[1]][m[2]] )
674 f = jQuery.g[m[1]][m[2]];
677 eval("f = function(a,i){return " + f + "}");
683 return { r: r, t: t };
686 jQuery.parents = function(a){
688 var c = a.parentNode;
689 while ( c && c != document ) {
696 jQuery.cleanSpaces = function(t){
697 return t.replace(/^\s+|\s+$/g, "");
700 jQuery.ofType = function(a,n,e) {
701 var t = jQuery.grep(jQuery.sibling(a),function(b){ return b.nodeName == a.nodeName; });
702 if ( e ) n = t.length - n - 1;
703 return n != undefined ? t[n] == a : t.length;
706 jQuery.sibling = function(a,n,e) {
708 var tmp = a.parentNode.childNodes;
709 for ( var i = 0; i < tmp.length; i++ ) {
710 if ( tmp[i].nodeType == 1 )
711 type[type.length] = tmp[i];
713 type.n = type.length - 1;
715 if ( e ) n = type.length - n - 1;
716 type.cur = ( type[n] == a );
717 type.prev = ( type.n > 0 ? type[type.n - 1] : null );
718 type.next = ( type.n < type.length - 1 ? type[type.n + 1] : null );
722 jQuery.hasWord = function(e,a) {
723 if ( e == undefined ) return;
724 if ( e.className ) e = e.className;
725 return new RegExp("(^|\\s)" + a + "(\\s|$)").test(e);
728 jQuery.merge = function(a,b) {
730 for ( var k = 0; k < b.length; k++ ) d[k] = b[k];
732 for ( var i = 0; i < a.length; i++ ) {
734 for ( var j = 0; j < b.length; j++ )
737 if ( c ) d[d.length] = a[i];
743 jQuery.grep = function(a,f,s) {
744 if ( f.constructor == String )
745 f = new Function("a","i","return " + f);
748 for ( var i = 0; i < a.length; i++ )
749 if ( (!s && f(a[i],i)) || (s && !f(a[i],i)) )
754 jQuery.map = function(a,f) {
755 if ( f.constructor == String )
756 f = new Function("a","return " + f);
759 for ( var i = 0; i < a.length; i++ ) {
762 if ( t.constructor != Array ) t = [t];
763 r = jQuery.merge( t, r );
771 // Bind an event to an element
772 // Original by Dean Edwards
773 add: function(element, type, handler) {
774 // For whatever reason, IE has trouble passing the window object
775 // around, causing it to be cloned in the process
776 if ( jQuery.browser == "msie" && element.setInterval != undefined )
779 if (!handler.guid) handler.guid = jQuery.event.guid++;
780 if (!element.events) element.events = {};
781 var handlers = element.events[type];
783 handlers = element.events[type] = {};
784 if (element["on" + type])
785 handlers[0] = element["on" + type];
787 handlers[handler.guid] = handler;
788 element["on" + type] = jQuery.event.handle;
793 // Detach an event or set of events from an element
794 remove: function(element, type, handler) {
796 if (type && element.events[type])
798 delete element.events[type][handler.guid];
800 for ( var i in element.events[type] )
801 delete element.events[type][i];
803 for ( var j in element.events )
804 jQuery.event.remove( element, j );
807 trigger: function(element,type,data) {
808 data = data || [ jQuery.event.fix({ type: type }) ];
809 if ( element && element["on" + type] )
810 element["on" + type].apply( element, data );
813 handle: function(event) {
814 if ( !event && !window.event ) return;
816 var returnValue = true, handlers = [];
817 event = event || jQuery.event.fix(window.event);
819 for ( var j in this.events[event.type] )
820 handlers[handlers.length] = this.events[event.type][j];
822 for ( var i = 0; i < handlers.length; i++ ) {
823 if ( handlers[i].constructor == Function ) {
824 this.handleEvent = handlers[i];
825 if (this.handleEvent(event) === false) {
826 event.preventDefault();
827 event.stopPropagation();
835 fix: function(event) {
836 event.preventDefault = function() {
837 this.returnValue = false;
840 event.stopPropagation = function() {
841 this.cancelBubble = true;