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jquery.js
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jquery.js
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/* prevent execution of jQuery if included more than once */
if(typeof window.jQuery == "undefined") {
/*
* jQuery 1.1.2 - New Wave Javascript
*
* Copyright (c) 2007 John Resig (jquery.com)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* $Date: 2007-02-28 12:03:00 -0500 (Wed, 28 Feb 2007) $
* $Rev: 1465 $
*/
// Global undefined variable
window.undefined = window.undefined;
var jQuery = function(a,c) {
// If the context is global, return a new object
if ( window == this )
return new jQuery(a,c);
// Make sure that a selection was provided
a = a || document;
// HANDLE: $(function)
// Shortcut for document ready
if ( jQuery.isFunction(a) )
return new jQuery(document)[ jQuery.fn.ready ? "ready" : "load" ]( a );
// Handle HTML strings
if ( typeof a == "string" ) {
// HANDLE: $(html) -> $(array)
var m = /^[^<]*(<(.|\s)+>)[^>]*$/.exec(a);
if ( m )
a = jQuery.clean( [ m[1] ] );
// HANDLE: $(expr)
else
return new jQuery( c ).find( a );
}
return this.setArray(
// HANDLE: $(array)
a.constructor == Array && a ||
// HANDLE: $(arraylike)
// Watch for when an array-like object is passed as the selector
(a.jquery || a.length && a != window && !a.nodeType && a[0] != undefined && a[0].nodeType) && jQuery.makeArray( a ) ||
// HANDLE: $(*)
[ a ] );
};
// Map over the $ in case of overwrite
if ( typeof $ != "undefined" )
jQuery._$ = $;
// Map the jQuery namespace to the '$' one
var $ = jQuery;
jQuery.fn = jQuery.prototype = {
jquery: "1.1.2",
size: function() {
return this.length;
},
length: 0,
get: function( num ) {
return num == undefined ?
// Return a 'clean' array
jQuery.makeArray( this ) :
// Return just the object
this[num];
},
pushStack: function( a ) {
var ret = jQuery(a);
ret.prevObject = this;
return ret;
},
setArray: function( a ) {
this.length = 0;
[].push.apply( this, a );
return this;
},
each: function( fn, args ) {
return jQuery.each( this, fn, args );
},
index: function( obj ) {
var pos = -1;
this.each(function(i){
if ( this == obj ) pos = i;
});
return pos;
},
attr: function( key, value, type ) {
var obj = key;
// Look for the case where we're accessing a style value
if ( key.constructor == String )
if ( value == undefined )
return this.length && jQuery[ type || "attr" ]( this[0], key ) || undefined;
else {
obj = {};
obj[ key ] = value;
}
// Check to see if we're setting style values
return this.each(function(index){
// Set all the styles
for ( var prop in obj )
jQuery.attr(
type ? this.style : this,
prop, jQuery.prop(this, obj[prop], type, index, prop)
);
});
},
css: function( key, value ) {
return this.attr( key, value, "curCSS" );
},
text: function(e) {
if ( typeof e == "string" )
return this.empty().append( document.createTextNode( e ) );
var t = "";
jQuery.each( e || this, function(){
jQuery.each( this.childNodes, function(){
if ( this.nodeType != 8 )
t += this.nodeType != 1 ?
this.nodeValue : jQuery.fn.text([ this ]);
});
});
return t;
},
wrap: function() {
// The elements to wrap the target around
var a = jQuery.clean(arguments);
// Wrap each of the matched elements individually
return this.each(function(){
// Clone the structure that we're using to wrap
var b = a[0].cloneNode(true);
// Insert it before the element to be wrapped
this.parentNode.insertBefore( b, this );
// Find the deepest point in the wrap structure
while ( b.firstChild )
b = b.firstChild;
// Move the matched element to within the wrap structure
b.appendChild( this );
});
},
append: function() {
return this.domManip(arguments, true, 1, function(a){
this.appendChild( a );
});
},
prepend: function() {
return this.domManip(arguments, true, -1, function(a){
this.insertBefore( a, this.firstChild );
});
},
before: function() {
return this.domManip(arguments, false, 1, function(a){
this.parentNode.insertBefore( a, this );
});
},
after: function() {
return this.domManip(arguments, false, -1, function(a){
this.parentNode.insertBefore( a, this.nextSibling );
});
},
end: function() {
return this.prevObject || jQuery([]);
},
find: function(t) {
return this.pushStack( jQuery.map( this, function(a){
return jQuery.find(t,a);
}), t );
},
clone: function(deep) {
return this.pushStack( jQuery.map( this, function(a){
var a = a.cloneNode( deep != undefined ? deep : true );
a.$events = null; // drop $events expando to avoid firing incorrect events
return a;
}) );
},
filter: function(t) {
return this.pushStack(
jQuery.isFunction( t ) &&
jQuery.grep(this, function(el, index){
return t.apply(el, [index])
}) ||
jQuery.multiFilter(t,this) );
},
not: function(t) {
return this.pushStack(
t.constructor == String &&
jQuery.multiFilter(t, this, true) ||
jQuery.grep(this, function(a) {
return ( t.constructor == Array || t.jquery )
? jQuery.inArray( a, t ) < 0
: a != t;
})
);
},
add: function(t) {
return this.pushStack( jQuery.merge(
this.get(),
t.constructor == String ?
jQuery(t).get() :
t.length != undefined && (!t.nodeName || t.nodeName == "FORM") ?
t : [t] )
);
},
is: function(expr) {
return expr ? jQuery.filter(expr,this).r.length > 0 : false;
},
val: function( val ) {
return val == undefined ?
( this.length ? this[0].value : null ) :
this.attr( "value", val );
},
html: function( val ) {
return val == undefined ?
( this.length ? this[0].innerHTML : null ) :
this.empty().append( val );
},
domManip: function(args, table, dir, fn){
var clone = this.length > 1;
var a = jQuery.clean(args);
if ( dir < 0 )
a.reverse();
return this.each(function(){
var obj = this;
if ( table && jQuery.nodeName(this, "table") && jQuery.nodeName(a[0], "tr") )
obj = this.getElementsByTagName("tbody")[0] || this.appendChild(document.createElement("tbody"));
jQuery.each( a, function(){
fn.apply( obj, [ clone ? this.cloneNode(true) : this ] );
});
});
}
};
jQuery.extend = jQuery.fn.extend = function() {
// copy reference to target object
var target = arguments[0],
a = 1;
// extend jQuery itself if only one argument is passed
if ( arguments.length == 1 ) {
target = this;
a = 0;
}
var prop;
while (prop = arguments[a++])
// Extend the base object
for ( var i in prop ) target[i] = prop[i];
// Return the modified object
return target;
};
jQuery.extend({
noConflict: function() {
if ( jQuery._$ )
$ = jQuery._$;
return jQuery;
},
// This may seem like some crazy code, but trust me when I say that this
// is the only cross-browser way to do this. --John
isFunction: function( fn ) {
return !!fn && typeof fn != "string" && !fn.nodeName &&
typeof fn[0] == "undefined" && /function/i.test( fn + "" );
},
// check if an element is in a XML document
isXMLDoc: function(elem) {
return elem.tagName && elem.ownerDocument && !elem.ownerDocument.body;
},
nodeName: function( elem, name ) {
return elem.nodeName && elem.nodeName.toUpperCase() == name.toUpperCase();
},
// args is for internal usage only
each: function( obj, fn, args ) {
if ( obj.length == undefined )
for ( var i in obj )
fn.apply( obj[i], args || [i, obj[i]] );
else
for ( var i = 0, ol = obj.length; i < ol; i++ )
if ( fn.apply( obj[i], args || [i, obj[i]] ) === false ) break;
return obj;
},
prop: function(elem, value, type, index, prop){
// Handle executable functions
if ( jQuery.isFunction( value ) )
value = value.call( elem, [index] );
// exclude the following css properties to add px
var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i;
// Handle passing in a number to a CSS property
return value && value.constructor == Number && type == "curCSS" && !exclude.test(prop) ?
value + "px" :
value;
},
className: {
// internal only, use addClass("class")
add: function( elem, c ){
jQuery.each( c.split(/\s+/), function(i, cur){
if ( !jQuery.className.has( elem.className, cur ) )
elem.className += ( elem.className ? " " : "" ) + cur;
});
},
// internal only, use removeClass("class")
remove: function( elem, c ){
elem.className = c ?
jQuery.grep( elem.className.split(/\s+/), function(cur){
return !jQuery.className.has( c, cur );
}).join(" ") : "";
},
// internal only, use is(".class")
has: function( t, c ) {
t = t.className || t;
// escape regex characters
c = c.replace(/([\.\\\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, "\\$1");
return t && new RegExp("(^|\\s)" + c + "(\\s|$)").test( t );
}
},
swap: function(e,o,f) {
for ( var i in o ) {
e.style["old"+i] = e.style[i];
e.style[i] = o[i];
}
f.apply( e, [] );
for ( var i in o )
e.style[i] = e.style["old"+i];
},
css: function(e,p) {
if ( p == "height" || p == "width" ) {
var old = {}, oHeight, oWidth, d = ["Top","Bottom","Right","Left"];
jQuery.each( d, function(){
old["padding" + this] = 0;
old["border" + this + "Width"] = 0;
});
jQuery.swap( e, old, function() {
if (jQuery.css(e,"display") != "none") {
oHeight = e.offsetHeight;
oWidth = e.offsetWidth;
} else {
e = jQuery(e.cloneNode(true))
.find(":radio").removeAttr("checked").end()
.css({
visibility: "hidden", position: "absolute", display: "block", right: "0", left: "0"
}).appendTo(e.parentNode)[0];
var parPos = jQuery.css(e.parentNode,"position");
if ( parPos == "" || parPos == "static" )
e.parentNode.style.position = "relative";
oHeight = e.clientHeight;
oWidth = e.clientWidth;
if ( parPos == "" || parPos == "static" )
e.parentNode.style.position = "static";
e.parentNode.removeChild(e);
}
});
return p == "height" ? oHeight : oWidth;
}
return jQuery.curCSS( e, p );
},
curCSS: function(elem, prop, force) {
var ret;
if (prop == "opacity" && jQuery.browser.msie)
return jQuery.attr(elem.style, "opacity");
if (prop == "float" || prop == "cssFloat")
prop = jQuery.browser.msie ? "styleFloat" : "cssFloat";
if (!force && elem.style[prop])
ret = elem.style[prop];
else if (document.defaultView && document.defaultView.getComputedStyle) {
if (prop == "cssFloat" || prop == "styleFloat")
prop = "float";
prop = prop.replace(/([A-Z])/g,"-$1").toLowerCase();
var cur = document.defaultView.getComputedStyle(elem, null);
if ( cur )
ret = cur.getPropertyValue(prop);
else if ( prop == "display" )
ret = "none";
else
jQuery.swap(elem, { display: "block" }, function() {
var c = document.defaultView.getComputedStyle(this, "");
ret = c && c.getPropertyValue(prop) || "";
});
} else if (elem.currentStyle) {
var newProp = prop.replace(/\-(\w)/g,function(m,c){return c.toUpperCase();});
ret = elem.currentStyle[prop] || elem.currentStyle[newProp];
}
return ret;
},
clean: function(a) {
var r = [];
jQuery.each( a, function(i,arg){
if ( !arg ) return;
if ( arg.constructor == Number )
arg = arg.toString();
// Convert html string into DOM nodes
if ( typeof arg == "string" ) {
// Trim whitespace, otherwise indexOf won't work as expected
var s = jQuery.trim(arg), div = document.createElement("div"), tb = [];
var wrap =
// option or optgroup
!s.indexOf("<opt") &&
[1, "<select>", "</select>"] ||
(!s.indexOf("<thead") || !s.indexOf("<tbody") || !s.indexOf("<tfoot")) &&
[1, "<table>", "</table>"] ||
!s.indexOf("<tr") &&
[2, "<table><tbody>", "</tbody></table>"] ||
// <thead> matched above
(!s.indexOf("<td") || !s.indexOf("<th")) &&
[3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
[0,"",""];
// Go to html and back, then peel off extra wrappers
div.innerHTML = wrap[1] + s + wrap[2];
// Move to the right depth
while ( wrap[0]-- )
div = div.firstChild;
// Remove IE's autoinserted <tbody> from table fragments
if ( jQuery.browser.msie ) {
// String was a <table>, *may* have spurious <tbody>
if ( !s.indexOf("<table") && s.indexOf("<tbody") < 0 )
tb = div.firstChild && div.firstChild.childNodes;
// String was a bare <thead> or <tfoot>
else if ( wrap[1] == "<table>" && s.indexOf("<tbody") < 0 )
tb = div.childNodes;
for ( var n = tb.length-1; n >= 0 ; --n )
if ( jQuery.nodeName(tb[n], "tbody") && !tb[n].childNodes.length )
tb[n].parentNode.removeChild(tb[n]);
}
arg = [];
for (var i=0, l=div.childNodes.length; i<l; i++)
arg.push(div.childNodes[i]);
}
if ( arg.length === 0 && !jQuery.nodeName(arg, "form") )
return;
if ( arg[0] == undefined || jQuery.nodeName(arg, "form") )
r.push( arg );
else
r = jQuery.merge( r, arg );
});
return r;
},
attr: function(elem, name, value){
var fix = jQuery.isXMLDoc(elem) ? {} : {
"for": "htmlFor",
"class": "className",
"float": jQuery.browser.msie ? "styleFloat" : "cssFloat",
cssFloat: jQuery.browser.msie ? "styleFloat" : "cssFloat",
innerHTML: "innerHTML",
className: "className",
value: "value",
disabled: "disabled",
checked: "checked",
readonly: "readOnly",
selected: "selected"
};
// IE actually uses filters for opacity ... elem is actually elem.style
if ( name == "opacity" && jQuery.browser.msie && value != undefined ) {
// IE has trouble with opacity if it does not have layout
// Force it by setting the zoom level
elem.zoom = 1;
// Set the alpha filter to set the opacity
return elem.filter = elem.filter.replace(/alpha\([^\)]*\)/gi,"") +
( value == 1 ? "" : "alpha(opacity=" + value * 100 + ")" );
} else if ( name == "opacity" && jQuery.browser.msie )
return elem.filter ?
parseFloat( elem.filter.match(/alpha\(opacity=(.*)\)/)[1] ) / 100 : 1;
// Mozilla doesn't play well with opacity 1
if ( name == "opacity" && jQuery.browser.mozilla && value == 1 )
value = 0.9999;
// Certain attributes only work when accessed via the old DOM 0 way
if ( fix[name] ) {
if ( value != undefined ) elem[fix[name]] = value;
return elem[fix[name]];
} else if ( value == undefined && jQuery.browser.msie && jQuery.nodeName(elem, "form") && (name == "action" || name == "method") )
return elem.getAttributeNode(name).nodeValue;
// IE elem.getAttribute passes even for style
else if ( elem.tagName ) {
if ( value != undefined ) elem.setAttribute( name, value );
if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
return elem.getAttribute( name, 2 );
return elem.getAttribute( name );
// elem is actually elem.style ... set the style
} else {
name = name.replace(/-([a-z])/ig,function(z,b){return b.toUpperCase();});
if ( value != undefined ) elem[name] = value;
return elem[name];
}
},
trim: function(t){
return t.replace(/^\s+|\s+$/g, "");
},
makeArray: function( a ) {
var r = [];
if ( a.constructor != Array )
for ( var i = 0, al = a.length; i < al; i++ )
r.push( a[i] );
else
r = a.slice( 0 );
return r;
},
inArray: function( b, a ) {
for ( var i = 0, al = a.length; i < al; i++ )
if ( a[i] == b )
return i;
return -1;
},
merge: function(first, second) {
var r = [].slice.call( first, 0 );
// Now check for duplicates between the two arrays
// and only add the unique items
for ( var i = 0, sl = second.length; i < sl; i++ )
// Check for duplicates
if ( jQuery.inArray( second[i], r ) == -1 )
// The item is unique, add it
first.push( second[i] );
return first;
},
grep: function(elems, fn, inv) {
// If a string is passed in for the function, make a function
// for it (a handy shortcut)
if ( typeof fn == "string" )
fn = new Function("a","i","return " + fn);
var result = [];
// Go through the array, only saving the items
// that pass the validator function
for ( var i = 0, el = elems.length; i < el; i++ )
if ( !inv && fn(elems[i],i) || inv && !fn(elems[i],i) )
result.push( elems[i] );
return result;
},
map: function(elems, fn) {
// If a string is passed in for the function, make a function
// for it (a handy shortcut)
if ( typeof fn == "string" )
fn = new Function("a","return " + fn);
var result = [], r = [];
// Go through the array, translating each of the items to their
// new value (or values).
for ( var i = 0, el = elems.length; i < el; i++ ) {
var val = fn(elems[i],i);
if ( val !== null && val != undefined ) {
if ( val.constructor != Array ) val = [val];
result = result.concat( val );
}
}
var r = result.length ? [ result[0] ] : [];
check: for ( var i = 1, rl = result.length; i < rl; i++ ) {
for ( var j = 0; j < i; j++ )
if ( result[i] == r[j] )
continue check;
r.push( result[i] );
}
return r;
}
});
/*
* Whether the W3C compliant box model is being used.
*
* @property
* @name $.boxModel
* @type Boolean
* @cat JavaScript
*/
new function() {
var b = navigator.userAgent.toLowerCase();
// Figure out what browser is being used
jQuery.browser = {
safari: /webkit/.test(b),
opera: /opera/.test(b),
msie: /msie/.test(b) && !/opera/.test(b),
mozilla: /mozilla/.test(b) && !/(compatible|webkit)/.test(b)
};
// Check to see if the W3C box model is being used
jQuery.boxModel = !jQuery.browser.msie || document.compatMode == "CSS1Compat";
};
jQuery.each({
parent: "a.parentNode",
parents: "jQuery.parents(a)",
next: "jQuery.nth(a,2,'nextSibling')",
prev: "jQuery.nth(a,2,'previousSibling')",
siblings: "jQuery.sibling(a.parentNode.firstChild,a)",
children: "jQuery.sibling(a.firstChild)"
}, function(i,n){
jQuery.fn[ i ] = function(a) {
var ret = jQuery.map(this,n);
if ( a && typeof a == "string" )
ret = jQuery.multiFilter(a,ret);
return this.pushStack( ret );
};
});
jQuery.each({
appendTo: "append",
prependTo: "prepend",
insertBefore: "before",
insertAfter: "after"
}, function(i,n){
jQuery.fn[ i ] = function(){
var a = arguments;
return this.each(function(){
for ( var j = 0, al = a.length; j < al; j++ )
jQuery(a[j])[n]( this );
});
};
});
jQuery.each( {
removeAttr: function( key ) {
jQuery.attr( this, key, "" );
this.removeAttribute( key );
},
addClass: function(c){
jQuery.className.add(this,c);
},
removeClass: function(c){
jQuery.className.remove(this,c);
},
toggleClass: function( c ){
jQuery.className[ jQuery.className.has(this,c) ? "remove" : "add" ](this, c);
},
remove: function(a){
if ( !a || jQuery.filter( a, [this] ).r.length )
this.parentNode.removeChild( this );
},
empty: function() {
while ( this.firstChild )
this.removeChild( this.firstChild );
}
}, function(i,n){
jQuery.fn[ i ] = function() {
return this.each( n, arguments );
};
});
jQuery.each( [ "eq", "lt", "gt", "contains" ], function(i,n){
jQuery.fn[ n ] = function(num,fn) {
return this.filter( ":" + n + "(" + num + ")", fn );
};
});
jQuery.each( [ "height", "width" ], function(i,n){
jQuery.fn[ n ] = function(h) {
return h == undefined ?
( this.length ? jQuery.css( this[0], n ) : null ) :
this.css( n, h.constructor == String ? h : h + "px" );
};
});
jQuery.extend({
expr: {
"": "m[2]=='*'||jQuery.nodeName(a,m[2])",
"#": "a.getAttribute('id')==m[2]",
":": {
// Position Checks
lt: "i<m[3]-0",
gt: "i>m[3]-0",
nth: "m[3]-0==i",
eq: "m[3]-0==i",
first: "i==0",
last: "i==r.length-1",
even: "i%2==0",
odd: "i%2",
// Child Checks
"nth-child": "jQuery.nth(a.parentNode.firstChild,m[3],'nextSibling',a)==a",
"first-child": "jQuery.nth(a.parentNode.firstChild,1,'nextSibling')==a",
"last-child": "jQuery.nth(a.parentNode.lastChild,1,'previousSibling')==a",
"only-child": "jQuery.sibling(a.parentNode.firstChild).length==1",
// Parent Checks
parent: "a.firstChild",
empty: "!a.firstChild",
// Text Check
contains: "jQuery.fn.text.apply([a]).indexOf(m[3])>=0",
// Visibility
visible: 'a.type!="hidden"&&jQuery.css(a,"display")!="none"&&jQuery.css(a,"visibility")!="hidden"',
hidden: 'a.type=="hidden"||jQuery.css(a,"display")=="none"||jQuery.css(a,"visibility")=="hidden"',
// Form attributes
enabled: "!a.disabled",
disabled: "a.disabled",
checked: "a.checked",
selected: "a.selected||jQuery.attr(a,'selected')",
// Form elements
text: "a.type=='text'",
radio: "a.type=='radio'",
checkbox: "a.type=='checkbox'",
file: "a.type=='file'",
password: "a.type=='password'",
submit: "a.type=='submit'",
image: "a.type=='image'",
reset: "a.type=='reset'",
button: 'a.type=="button"||jQuery.nodeName(a,"button")',
input: "/input|select|textarea|button/i.test(a.nodeName)"
},
".": "jQuery.className.has(a,m[2])",
"@": {
"=": "z==m[4]",
"!=": "z!=m[4]",
"^=": "z&&!z.indexOf(m[4])",
"$=": "z&&z.substr(z.length - m[4].length,m[4].length)==m[4]",
"*=": "z&&z.indexOf(m[4])>=0",
"": "z",
_resort: function(m){
return ["", m[1], m[3], m[2], m[5]];
},
_prefix: "z=a[m[3]];if(!z||/href|src/.test(m[3]))z=jQuery.attr(a,m[3]);"
},
"[": "jQuery.find(m[2],a).length"
},
// The regular expressions that power the parsing engine
parse: [
// Match: [@value='test'], [@foo]
/^\[ *(@)([a-z0-9_-]*) *([!*$^=]*) *('?"?)(.*?)\4 *\]/i,
// Match: [div], [div p]
/^(\[)\s*(.*?(\[.*?\])?[^[]*?)\s*\]/,
// Match: :contains('foo')
/^(:)([a-z0-9_-]*)\("?'?(.*?(\(.*?\))?[^(]*?)"?'?\)/i,
// Match: :even, :last-chlid
/^([:.#]*)([a-z0-9_*-]*)/i
],
token: [
/^(\/?\.\.)/, "a.parentNode",
/^(>|\/)/, "jQuery.sibling(a.firstChild)",
/^(\+)/, "jQuery.nth(a,2,'nextSibling')",
/^(~)/, function(a){
var s = jQuery.sibling(a.parentNode.firstChild);
return s.slice(jQuery.inArray(a,s) + 1);
}
],
multiFilter: function( expr, elems, not ) {
var old, cur = [];
while ( expr && expr != old ) {
old = expr;
var f = jQuery.filter( expr, elems, not );
expr = f.t.replace(/^\s*,\s*/, "" );
cur = not ? elems = f.r : jQuery.merge( cur, f.r );
}
return cur;
},
find: function( t, context ) {
// Quickly handle non-string expressions
if ( typeof t != "string" )
return [ t ];
// Make sure that the context is a DOM Element
if ( context && !context.nodeType )
context = null;
// Set the correct context (if none is provided)
context = context || document;
// Handle the common XPath // expression
if ( !t.indexOf("//") ) {
context = context.documentElement;
t = t.substr(2,t.length);
// And the / root expression
} else if ( !t.indexOf("/") ) {
context = context.documentElement;
t = t.substr(1,t.length);
if ( t.indexOf("/") >= 1 )
t = t.substr(t.indexOf("/"),t.length);
}
// Initialize the search
var ret = [context], done = [], last = null;
// Continue while a selector expression exists, and while
// we're no longer looping upon ourselves
while ( t && last != t ) {
var r = [];
last = t;
t = jQuery.trim(t).replace( /^\/\//i, "" );
var foundToken = false;
// An attempt at speeding up child selectors that
// point to a specific element tag
var re = /^[\/>]\s*([a-z0-9*-]+)/i;
var m = re.exec(t);
if ( m ) {
// Perform our own iteration and filter
jQuery.each( ret, function(){
for ( var c = this.firstChild; c; c = c.nextSibling )
if ( c.nodeType == 1 && ( jQuery.nodeName(c, m[1]) || m[1] == "*" ) )
r.push( c );
});
ret = r;
t = t.replace( re, "" );
if ( t.indexOf(" ") == 0 ) continue;
foundToken = true;
} else {
// Look for pre-defined expression tokens
for ( var i = 0; i < jQuery.token.length; i += 2 ) {
// Attempt to match each, individual, token in
// the specified order
var re = jQuery.token[i];
var m = re.exec(t);
// If the token match was found
if ( m ) {
// Map it against the token's handler
r = ret = jQuery.map( ret, jQuery.isFunction( jQuery.token[i+1] ) ?
jQuery.token[i+1] :
function(a){ return eval(jQuery.token[i+1]); });
// And remove the token
t = jQuery.trim( t.replace( re, "" ) );
foundToken = true;
break;
}
}
}
// See if there's still an expression, and that we haven't already
// matched a token
if ( t && !foundToken ) {
// Handle multiple expressions
if ( !t.indexOf(",") ) {
// Clean the result set
if ( ret[0] == context ) ret.shift();
// Merge the result sets
jQuery.merge( done, ret );
// Reset the context
r = ret = [context];
// Touch up the selector string
t = " " + t.substr(1,t.length);
} else {
// Optomize for the case nodeName#idName
var re2 = /^([a-z0-9_-]+)(#)([a-z0-9\\*_-]*)/i;
var m = re2.exec(t);
// Re-organize the results, so that they're consistent
if ( m ) {
m = [ 0, m[2], m[3], m[1] ];
} else {
// Otherwise, do a traditional filter check for
// ID, class, and element selectors
re2 = /^([#.]?)([a-z0-9\\*_-]*)/i;
m = re2.exec(t);
}
// Try to do a global search by ID, where we can
if ( m[1] == "#" && ret[ret.length-1].getElementById ) {
// Optimization for HTML document case
var oid = ret[ret.length-1].getElementById(m[2]);
// Do a quick check for the existence of the actual ID attribute
// to avoid selecting by the name attribute in IE
if ( jQuery.browser.msie && oid && oid.id != m[2] )
oid = jQuery('[@id="'+m[2]+'"]', ret[ret.length-1])[0];
// Do a quick check for node name (where applicable) so
// that div#foo searches will be really fast
ret = r = oid && (!m[3] || jQuery.nodeName(oid, m[3])) ? [oid] : [];
} else {
// Pre-compile a regular expression to handle class searches
if ( m[1] == "." )
var rec = new RegExp("(^|\\s)" + m[2] + "(\\s|$)");
// We need to find all descendant elements, it is more
// efficient to use getAll() when we are already further down
// the tree - we try to recognize that here
jQuery.each( ret, function(){
// Grab the tag name being searched for
var tag = m[1] != "" || m[0] == "" ? "*" : m[2];
// Handle IE7 being really dumb about <object>s
if ( jQuery.nodeName(this, "object") && tag == "*" )
tag = "param";
jQuery.merge( r,
m[1] != "" && ret.length != 1 ?
jQuery.getAll( this, [], m[1], m[2], rec ) :
this.getElementsByTagName( tag )