Team:Edinburgh/jquery
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Latest revision as of 14:39, 12 August 2009
/*!
* jQuery JavaScript Library v1.3.3pre * http://jquery.com/ * * Copyright (c) 2009 John Resig * Dual licensed under the MIT and GPL licenses. * http://docs.jquery.com/License * * Date: 2009-06-04 13:36:23 -0400 (Thu, 04 Jun 2009) * Revision: 6372 */
(function(window, undefined){
// Define a local copy of jQuery var jQuery = function( selector, context ) { // The jQuery object is actually just the init constructor 'enhanced' return arguments.length === 0 ? rootjQuery : new jQuery.fn.init( selector, context ); },
// Map over jQuery in case of overwrite _jQuery = window.jQuery,
// Map over the $ in case of overwrite _$ = window.$,
// A central reference to the root jQuery(document) rootjQuery,
// A simple way to check for HTML strings or ID strings // (both of which we optimize for) quickExpr = /^[^<]*(<(.|\s)+>)[^>]*$|^#([\w-]+)$/,
// Is it a simple selector isSimple = /^.[^:#\[\.,]*$/,
// Keep a UserAgent string for use with jQuery.browser userAgent = navigator.userAgent.toLowerCase(),
// Save a reference to the core toString method toString = Object.prototype.toString;
// Expose jQuery to the global object window.jQuery = window.$ = jQuery;
jQuery.fn = jQuery.prototype = { init: function( selector, context ) { var match, elem, ret;
// Handle $(""), $(null), or $(undefined) if ( !selector ) { this.length = 0; return this; }
// Handle $(DOMElement) if ( selector.nodeType ) { this[0] = selector; this.length = 1; this.context = selector; return this; }
// Handle HTML strings if ( typeof selector === "string" ) { // Are we dealing with HTML string or an ID? match = quickExpr.exec( selector );
// Verify a match, and that no context was specified for #id if ( match && (match[1] || !context) ) {
// HANDLE: $(html) -> $(array) if ( match[1] ) { selector = jQuery.clean( [ match[1] ], context );
// HANDLE: $("#id") } else { elem = document.getElementById( match[3] );
// Handle the case where IE and Opera return items // by name instead of ID if ( elem && elem.id !== match[3] ) { return rootjQuery.find( selector ); }
// Otherwise, we inject the element directly into the jQuery object ret = jQuery( elem || null ); ret.context = document; ret.selector = selector; return ret; }
// HANDLE: $(expr, $(...)) } else if ( !context || context.jquery ) { return (context || rootjQuery).find( selector );
// HANDLE: $(expr, context) // (which is just equivalent to: $(context).find(expr) } else { return jQuery( context ).find( selector ); }
// HANDLE: $(function) // Shortcut for document ready } else if ( jQuery.isFunction( selector ) ) { return rootjQuery.ready( selector ); }
// Make sure that old selector state is passed along if ( selector.selector && selector.context ) { this.selector = selector.selector; this.context = selector.context; }
return this.setArray(jQuery.isArray( selector ) ? selector : jQuery.makeArray(selector)); },
// Start with an empty selector selector: "",
// The current version of jQuery being used jquery: "1.3.3pre",
// The number of elements contained in the matched element set size: function() { return this.length; },
// Get the Nth element in the matched element set OR // Get the whole matched element set as a clean array get: function( num ) { return num == null ?
// Return a 'clean' array Array.prototype.slice.call( this ) :
// Return just the object this[ num ]; },
// Take an array of elements and push it onto the stack // (returning the new matched element set) pushStack: function( elems, name, selector ) { // Build a new jQuery matched element set var ret = jQuery( elems || null );
// Add the old object onto the stack (as a reference) ret.prevObject = this;
ret.context = this.context;
if ( name === "find" ) { ret.selector = this.selector + (this.selector ? " " : "") + selector; } else if ( name ) { ret.selector = this.selector + "." + name + "(" + selector + ")"; }
// Return the newly-formed element set return ret; },
// Force the current matched set of elements to become // the specified array of elements (destroying the stack in the process) // You should use pushStack() in order to do this, but maintain the stack setArray: function( elems ) { // Resetting the length to 0, then using the native Array push // is a super-fast way to populate an object with array-like properties this.length = 0; Array.prototype.push.apply( this, elems );
return this; },
// Execute a callback for every element in the matched set. // (You can seed the arguments with an array of args, but this is // only used internally.) each: function( callback, args ) { return jQuery.each( this, callback, args ); },
// Determine the position of an element within // the matched set of elements index: function( elem ) { if ( !elem || typeof elem === "string" ) { return jQuery.inArray( this[0], // If it receives a string, the selector is used // If it receives nothing, the siblings are used elem ? jQuery( elem ) : this.parent().children() ); } // Locate the position of the desired element return jQuery.inArray( // If it receives a jQuery object, the first element is used elem.jquery ? elem[0] : elem, this ); },
is: function( selector ) { return !!selector && jQuery.multiFilter( selector, this ).length > 0; },
// For internal use only. // Behaves like an Array's method, not like a jQuery method. push: [].push, sort: [].sort, splice: [].splice };
// Give the init function the jQuery prototype for later instantiation jQuery.fn.init.prototype = jQuery.fn;
jQuery.extend = jQuery.fn.extend = function() { // copy reference to target object var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options, name, src, copy;
// Handle a deep copy situation if ( typeof target === "boolean" ) { deep = target; target = arguments[1] || {}; // skip the boolean and the target i = 2; }
// Handle case when target is a string or something (possible in deep copy) if ( typeof target !== "object" && !jQuery.isFunction(target) ) { target = {}; }
// extend jQuery itself if only one argument is passed if ( length === i ) { target = this; --i; }
for ( ; i < length; i++ ) { // Only deal with non-null/undefined values if ( (options = arguments[ i ]) != null ) { // Extend the base object for ( name in options ) { src = target[ name ]; copy = options[ name ];
// Prevent never-ending loop if ( target === copy ) { continue; }
// Recurse if we're merging object values if ( deep && copy && typeof copy === "object" && !copy.nodeType ) { target[ name ] = jQuery.extend( deep, // Never move original objects, clone them src || ( copy.length != null ? [ ] : { } ), copy );
// Don't bring in undefined values } else if ( copy !== undefined ) { target[ name ] = copy; } } } }
// Return the modified object return target; };
jQuery.extend({ noConflict: function( deep ) { window.$ = _$;
if ( deep ) { window.jQuery = _jQuery; }
return jQuery; },
// See test/unit/core.js for details concerning isFunction. // Since version 1.3, DOM methods and functions like alert // aren't supported. They return false on IE (#2968). isFunction: function( obj ) { return toString.call(obj) === "[object Function]"; },
isArray: function( obj ) { return toString.call(obj) === "[object Array]"; },
// check if an element is in a (or is an) XML document isXMLDoc: function( elem ) { return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML"; },
// Evalulates a script in a global context globalEval: function( data ) { if ( data && /\S/.test(data) ) { // Inspired by code by Andrea Giammarchi // http://webreflection.blogspot.com/2007/08/global-scope-evaluation-and-dom.html var head = document.getElementsByTagName("head")[0] || document.documentElement, script = document.createElement("script");
script.type = "text/javascript"; if ( jQuery.support.scriptEval ) { script.appendChild( document.createTextNode( data ) ); } else { script.text = data; }
// Use insertBefore instead of appendChild to circumvent an IE6 bug. // This arises when a base node is used (#2709). head.insertBefore( script, head.firstChild ); head.removeChild( script ); } },
nodeName: function( elem, name ) { return elem.nodeName && elem.nodeName.toUpperCase() === name.toUpperCase(); },
// args is for internal usage only each: function( object, callback, args ) { var name, i = 0, length = object.length;
if ( args ) { if ( length === undefined ) { for ( name in object ) { if ( callback.apply( object[ name ], args ) === false ) { break; } } } else { for ( ; i < length; ) { if ( callback.apply( object[ i++ ], args ) === false ) { break; } } }
// A special, fast, case for the most common use of each } else { if ( length === undefined ) { for ( name in object ) { if ( callback.call( object[ name ], name, object[ name ] ) === false ) { break; } } } else { for ( var value = object[0]; i < length && callback.call( value, i, value ) !== false; value = object[++i] ) {} } }
return object; },
trim: function( text ) { return (text || "").replace( /^\s+|\s+$/g, "" ); },
makeArray: function( array ) { var ret = [], i;
if ( array != null ) { i = array.length;
// The window, strings (and functions) also have 'length' if ( i == null || typeof array === "string" || jQuery.isFunction(array) || array.setInterval ) { ret[0] = array; } else { while ( i ) { ret[--i] = array[i]; } } }
return ret; },
inArray: function( elem, array ) { for ( var i = 0, length = array.length; i < length; i++ ) { if ( array[ i ] === elem ) { return i; } }
return -1; },
merge: function( first, second ) { // We have to loop this way because IE & Opera overwrite the length // expando of getElementsByTagName var i = 0, elem, pos = first.length;
// Also, we need to make sure that the correct elements are being returned // (IE returns comment nodes in a '*' query) if ( !jQuery.support.getAll ) { while ( (elem = second[ i++ ]) != null ) { if ( elem.nodeType !== 8 ) { first[ pos++ ] = elem; } }
} else { while ( (elem = second[ i++ ]) != null ) { first[ pos++ ] = elem; } }
return first; },
unique: function( array ) { var ret = [], done = {}, id;
try { for ( var i = 0, length = array.length; i < length; i++ ) { id = jQuery.data( array[ i ] );
if ( !done[ id ] ) { done[ id ] = true; ret.push( array[ i ] ); } } } catch( e ) { ret = array; }
return ret; },
grep: function( elems, callback, inv ) { var ret = [];
// Go through the array, only saving the items // that pass the validator function for ( var i = 0, length = elems.length; i < length; i++ ) { if ( !inv !== !callback( elems[ i ], i ) ) { ret.push( elems[ i ] ); } }
return ret; },
map: function( elems, callback ) { var ret = [], value;
// Go through the array, translating each of the items to their // new value (or values). for ( var i = 0, length = elems.length; i < length; i++ ) { value = callback( elems[ i ], i );
if ( value != null ) { ret[ ret.length ] = value; } }
return ret.concat.apply( [], ret ); },
// Use of jQuery.browser is deprecated. // It's included for backwards compatibility and plugins, // although they should work to migrate away. browser: { version: (userAgent.match( /.+(?:rv|it|ra|ie)[\/: ]([\d.]+)/ ) || [0,'0'])[1], safari: /webkit/.test( userAgent ), opera: /opera/.test( userAgent ), msie: /msie/.test( userAgent ) && !/opera/.test( userAgent ), mozilla: /mozilla/.test( userAgent ) && !/(compatible|webkit)/.test( userAgent ) } });
// All jQuery objects should point back to these rootjQuery = jQuery(document);
function evalScript( i, elem ) { if ( elem.src ) { jQuery.ajax({ url: elem.src, async: false, dataType: "script" }); } else { jQuery.globalEval( elem.text || elem.textContent || elem.innerHTML || "" ); }
if ( elem.parentNode ) { elem.parentNode.removeChild( elem ); } }
function now() { return (new Date).getTime(); } var expando = "jQuery" + now(), uuid = 0, windowData = {};
jQuery.extend({ cache: {},
data: function( elem, name, data ) { elem = elem == window ? windowData : elem;
var id = elem[ expando ];
// Compute a unique ID for the element if ( !id ) id = elem[ expando ] = ++uuid;
// Only generate the data cache if we're // trying to access or manipulate it if ( name && !jQuery.cache[ id ] ) jQuery.cache[ id ] = {};
// Prevent overriding the named cache with undefined values if ( data !== undefined ) jQuery.cache[ id ][ name ] = data;
// Return the named cache data, or the ID for the element return name ? jQuery.cache[ id ][ name ] : id; },
removeData: function( elem, name ) { elem = elem == window ? windowData : elem;
var id = elem[ expando ];
// If we want to remove a specific section of the element's data if ( name ) { if ( jQuery.cache[ id ] ) { // Remove the section of cache data delete jQuery.cache[ id ][ name ];
// If we've removed all the data, remove the element's cache name = "";
for ( name in jQuery.cache[ id ] ) break;
if ( !name ) jQuery.removeData( elem ); }
// Otherwise, we want to remove all of the element's data } else { // Clean up the element expando try { delete elem[ expando ]; } catch(e){ // IE has trouble directly removing the expando // but it's ok with using removeAttribute if ( elem.removeAttribute ) elem.removeAttribute( expando ); }
// Completely remove the data cache delete jQuery.cache[ id ]; } }, queue: function( elem, type, data ) { if ( elem ){
type = (type || "fx") + "queue";
var q = jQuery.data( elem, type );
if ( !q || jQuery.isArray(data) ) q = jQuery.data( elem, type, jQuery.makeArray(data) ); else if( data ) q.push( data );
} return q; },
dequeue: function( elem, type ){ var queue = jQuery.queue( elem, type ), fn = queue.shift();
if( !type || type === "fx" ) fn = queue[0];
if( fn !== undefined ) fn.call(elem); } });
jQuery.fn.extend({ data: function( key, value ){ var parts = key.split("."); parts[1] = parts[1] ? "." + parts[1] : "";
if ( value === undefined ) { var data = this.triggerHandler("getData" + parts[1] + "!", [parts[0]]);
if ( data === undefined && this.length ) data = jQuery.data( this[0], key );
return data === undefined && parts[1] ? this.data( parts[0] ) : data; } else return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function(){ jQuery.data( this, key, value ); }); },
removeData: function( key ){ return this.each(function(){ jQuery.removeData( this, key ); }); }, queue: function(type, data){ if ( typeof type !== "string" ) { data = type; type = "fx"; }
if ( data === undefined ) return jQuery.queue( this[0], type );
return this.each(function(){ var queue = jQuery.queue( this, type, data );
if( type == "fx" && queue.length == 1 ) queue[0].call(this); }); }, dequeue: function(type){ return this.each(function(){ jQuery.dequeue( this, type ); }); } });/*!
* Sizzle CSS Selector Engine - v1.0 * Copyright 2009, The Dojo Foundation * Released under the MIT, BSD, and GPL Licenses. * More information: http://sizzlejs.com/ */
(function(){
var chunker = /((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?/g, done = 0, toString = Object.prototype.toString, hasDuplicate = false;
var Sizzle = function(selector, context, results, seed) { results = results || []; var origContext = context = context || document;
if ( context.nodeType !== 1 && context.nodeType !== 9 ) { return []; }
if ( !selector || typeof selector !== "string" ) { return results; }
var parts = [], m, set, checkSet, check, mode, extra, prune = true, contextXML = isXML(context);
// Reset the position of the chunker regexp (start from head) chunker.lastIndex = 0;
while ( (m = chunker.exec(selector)) !== null ) { parts.push( m[1] );
if ( m[2] ) { extra = RegExp.rightContext; break; } }
if ( parts.length > 1 && origPOS.exec( selector ) ) { if ( parts.length === 2 && Expr.relative[ parts[0] ] ) { set = posProcess( parts[0] + parts[1], context ); } else { set = Expr.relative[ parts[0] ] ? [ context ] : Sizzle( parts.shift(), context );
while ( parts.length ) { selector = parts.shift();
if ( Expr.relative[ selector ] ) selector += parts.shift();
set = posProcess( selector, set ); } } } else { // Take a shortcut and set the context if the root selector is an ID // (but not if it'll be faster if the inner selector is an ID) if ( !seed && parts.length > 1 && context.nodeType === 9 && !contextXML && Expr.match.ID.test(parts[0]) && !Expr.match.ID.test(parts[parts.length - 1]) ) { var ret = Sizzle.find( parts.shift(), context, contextXML ); context = ret.expr ? Sizzle.filter( ret.expr, ret.set )[0] : ret.set[0]; }
if ( context ) { var ret = seed ? { expr: parts.pop(), set: makeArray(seed) } : Sizzle.find( parts.pop(), parts.length === 1 && (parts[0] === "~" || parts[0] === "+") && context.parentNode ? context.parentNode : context, contextXML ); set = ret.expr ? Sizzle.filter( ret.expr, ret.set ) : ret.set;
if ( parts.length > 0 ) { checkSet = makeArray(set); } else { prune = false; }
while ( parts.length ) { var cur = parts.pop(), pop = cur;
if ( !Expr.relative[ cur ] ) { cur = ""; } else { pop = parts.pop(); }
if ( pop == null ) { pop = context; }
Expr.relative[ cur ]( checkSet, pop, contextXML ); } } else { checkSet = parts = []; } }
if ( !checkSet ) { checkSet = set; }
if ( !checkSet ) { throw "Syntax error, unrecognized expression: " + (cur || selector); }
if ( toString.call(checkSet) === "[object Array]" ) { if ( !prune ) { results.push.apply( results, checkSet ); } else if ( context && context.nodeType === 1 ) { for ( var i = 0; checkSet[i] != null; i++ ) { if ( checkSet[i] && (checkSet[i] === true || checkSet[i].nodeType === 1 && contains(context, checkSet[i])) ) { results.push( set[i] ); } } } else { for ( var i = 0; checkSet[i] != null; i++ ) { if ( checkSet[i] && checkSet[i].nodeType === 1 ) { results.push( set[i] ); } } } } else { makeArray( checkSet, results ); }
if ( extra ) { Sizzle( extra, origContext, results, seed ); Sizzle.uniqueSort( results ); }
return results; };
Sizzle.uniqueSort = function(results){ if ( sortOrder ) { hasDuplicate = false; results.sort(sortOrder);
if ( hasDuplicate ) { for ( var i = 1; i < results.length; i++ ) { if ( results[i] === results[i-1] ) { results.splice(i--, 1); } } } } };
Sizzle.matches = function(expr, set){ return Sizzle(expr, null, null, set); };
Sizzle.find = function(expr, context, isXML){ var set, match;
if ( !expr ) { return []; }
for ( var i = 0, l = Expr.order.length; i < l; i++ ) { var type = Expr.order[i], match;
if ( (match = Expr.match[ type ].exec( expr )) ) { var left = RegExp.leftContext;
if ( left.substr( left.length - 1 ) !== "\\" ) { match[1] = (match[1] || "").replace(/\\/g, ""); set = Expr.find[ type ]( match, context, isXML ); if ( set != null ) { expr = expr.replace( Expr.match[ type ], "" ); break; } } } }
if ( !set ) { set = context.getElementsByTagName("*"); }
return {set: set, expr: expr}; };
Sizzle.filter = function(expr, set, inplace, not){ var old = expr, result = [], curLoop = set, match, anyFound, isXMLFilter = set && set[0] && isXML(set[0]);
while ( expr && set.length ) { for ( var type in Expr.filter ) { if ( (match = Expr.match[ type ].exec( expr )) != null ) { var filter = Expr.filter[ type ], found, item; anyFound = false;
if ( curLoop == result ) { result = []; }
if ( Expr.preFilter[ type ] ) { match = Expr.preFilter[ type ]( match, curLoop, inplace, result, not, isXMLFilter );
if ( !match ) { anyFound = found = true; } else if ( match === true ) { continue; } }
if ( match ) { for ( var i = 0; (item = curLoop[i]) != null; i++ ) { if ( item ) { found = filter( item, match, i, curLoop ); var pass = not ^ !!found;
if ( inplace && found != null ) { if ( pass ) { anyFound = true; } else { curLoop[i] = false; } } else if ( pass ) { result.push( item ); anyFound = true; } } } }
if ( found !== undefined ) { if ( !inplace ) { curLoop = result; }
expr = expr.replace( Expr.match[ type ], "" );
if ( !anyFound ) { return []; }
break; } } }
// Improper expression if ( expr == old ) { if ( anyFound == null ) { throw "Syntax error, unrecognized expression: " + expr; } else { break; } }
old = expr; }
return curLoop; };
var Expr = Sizzle.selectors = { order: [ "ID", "NAME", "TAG" ], match: { ID: /#((?:[\w\u00c0-\uFFFF_-]|\\.)+)/, CLASS: /\.((?:[\w\u00c0-\uFFFF_-]|\\.)+)/, NAME: /\[name=['"]*((?:[\w\u00c0-\uFFFF_-]|\\.)+)['"]*\]/, ATTR: /\[\s*((?:[\w\u00c0-\uFFFF_-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/, TAG: /^((?:[\w\u00c0-\uFFFF\*_-]|\\.)+)/, CHILD: /:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/, POS: /:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/, PSEUDO: /:((?:[\w\u00c0-\uFFFF_-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/ }, attrMap: { "class": "className", "for": "htmlFor" }, attrHandle: { href: function(elem){ return elem.getAttribute("href"); } }, relative: { "+": function(checkSet, part, isXML){ var isPartStr = typeof part === "string", isTag = isPartStr && !/\W/.test(part), isPartStrNotTag = isPartStr && !isTag;
if ( isTag && !isXML ) { part = part.toUpperCase(); }
for ( var i = 0, l = checkSet.length, elem; i < l; i++ ) { if ( (elem = checkSet[i]) ) { while ( (elem = elem.previousSibling) && elem.nodeType !== 1 ) {}
checkSet[i] = isPartStrNotTag || elem && elem.nodeName === part ? elem || false : elem === part; } }
if ( isPartStrNotTag ) { Sizzle.filter( part, checkSet, true ); } }, ">": function(checkSet, part, isXML){ var isPartStr = typeof part === "string";
if ( isPartStr && !/\W/.test(part) ) { part = isXML ? part : part.toUpperCase();
for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { var parent = elem.parentNode; checkSet[i] = parent.nodeName === part ? parent : false; } } } else { for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { checkSet[i] = isPartStr ? elem.parentNode : elem.parentNode === part; } }
if ( isPartStr ) { Sizzle.filter( part, checkSet, true ); } } }, "": function(checkSet, part, isXML){ var doneName = done++, checkFn = dirCheck;
if ( !part.match(/\W/) ) { var nodeCheck = part = isXML ? part : part.toUpperCase(); checkFn = dirNodeCheck; }
checkFn("parentNode", part, doneName, checkSet, nodeCheck, isXML); }, "~": function(checkSet, part, isXML){ var doneName = done++, checkFn = dirCheck;
if ( typeof part === "string" && !part.match(/\W/) ) { var nodeCheck = part = isXML ? part : part.toUpperCase(); checkFn = dirNodeCheck; }
checkFn("previousSibling", part, doneName, checkSet, nodeCheck, isXML); } }, find: { ID: function(match, context, isXML){ if ( typeof context.getElementById !== "undefined" && !isXML ) { var m = context.getElementById(match[1]); return m ? [m] : []; } }, NAME: function(match, context, isXML){ if ( typeof context.getElementsByName !== "undefined" ) { var ret = [], results = context.getElementsByName(match[1]);
for ( var i = 0, l = results.length; i < l; i++ ) { if ( results[i].getAttribute("name") === match[1] ) { ret.push( results[i] ); } }
return ret.length === 0 ? null : ret; } }, TAG: function(match, context){ return context.getElementsByTagName(match[1]); } }, preFilter: { CLASS: function(match, curLoop, inplace, result, not, isXML){ match = " " + match[1].replace(/\\/g, "") + " ";
if ( isXML ) { return match; }
for ( var i = 0, elem; (elem = curLoop[i]) != null; i++ ) { if ( elem ) { if ( not ^ (elem.className && (" " + elem.className + " ").indexOf(match) >= 0) ) { if ( !inplace ) result.push( elem ); } else if ( inplace ) { curLoop[i] = false; } } }
return false; }, ID: function(match){ return match[1].replace(/\\/g, ""); }, TAG: function(match, curLoop){ for ( var i = 0; curLoop[i] === false; i++ ){} return curLoop[i] && isXML(curLoop[i]) ? match[1] : match[1].toUpperCase(); }, CHILD: function(match){ if ( match[1] == "nth" ) { // parse equations like 'even', 'odd', '5', '2n', '3n+2', '4n-1', '-n+6' var test = /(-?)(\d*)n((?:\+|-)?\d*)/.exec( match[2] == "even" && "2n" || match[2] == "odd" && "2n+1" || !/\D/.test( match[2] ) && "0n+" + match[2] || match[2]);
// calculate the numbers (first)n+(last) including if they are negative match[2] = (test[1] + (test[2] || 1)) - 0; match[3] = test[3] - 0; }
// TODO: Move to normal caching system match[0] = done++;
return match; }, ATTR: function(match, curLoop, inplace, result, not, isXML){ var name = match[1].replace(/\\/g, "");
if ( !isXML && Expr.attrMap[name] ) { match[1] = Expr.attrMap[name]; }
if ( match[2] === "~=" ) { match[4] = " " + match[4] + " "; }
return match; }, PSEUDO: function(match, curLoop, inplace, result, not){ if ( match[1] === "not" ) { // If we're dealing with a complex expression, or a simple one if ( match[3].match(chunker).length > 1 || /^\w/.test(match[3]) ) { match[3] = Sizzle(match[3], null, null, curLoop); } else { var ret = Sizzle.filter(match[3], curLoop, inplace, true ^ not); if ( !inplace ) { result.push.apply( result, ret ); } return false; } } else if ( Expr.match.POS.test( match[0] ) || Expr.match.CHILD.test( match[0] ) ) { return true; }
return match; }, POS: function(match){ match.unshift( true ); return match; } }, filters: { enabled: function(elem){ return elem.disabled === false && elem.type !== "hidden"; }, disabled: function(elem){ return elem.disabled === true; }, checked: function(elem){ return elem.checked === true; }, selected: function(elem){ // Accessing this property makes selected-by-default // options in Safari work properly elem.parentNode.selectedIndex; return elem.selected === true; }, parent: function(elem){ return !!elem.firstChild; }, empty: function(elem){ return !elem.firstChild; }, has: function(elem, i, match){ return !!Sizzle( match[3], elem ).length; }, header: function(elem){ return /h\d/i.test( elem.nodeName ); }, text: function(elem){ return "text" === elem.type; }, radio: function(elem){ return "radio" === elem.type; }, checkbox: function(elem){ return "checkbox" === elem.type; }, file: function(elem){ return "file" === elem.type; }, password: function(elem){ return "password" === elem.type; }, submit: function(elem){ return "submit" === elem.type; }, image: function(elem){ return "image" === elem.type; }, reset: function(elem){ return "reset" === elem.type; }, button: function(elem){ return "button" === elem.type || elem.nodeName.toUpperCase() === "BUTTON"; }, input: function(elem){ return /input|select|textarea|button/i.test(elem.nodeName); } }, setFilters: { first: function(elem, i){ return i === 0; }, last: function(elem, i, match, array){ return i === array.length - 1; }, even: function(elem, i){ return i % 2 === 0; }, odd: function(elem, i){ return i % 2 === 1; }, lt: function(elem, i, match){ return i < match[3] - 0; }, gt: function(elem, i, match){ return i > match[3] - 0; }, nth: function(elem, i, match){ return match[3] - 0 == i; }, eq: function(elem, i, match){ return match[3] - 0 == i; } }, filter: { PSEUDO: function(elem, match, i, array){ var name = match[1], filter = Expr.filters[ name ];
if ( filter ) { return filter( elem, i, match, array ); } else if ( name === "contains" ) { return (elem.textContent || elem.innerText || "").indexOf(match[3]) >= 0; } else if ( name === "not" ) { var not = match[3];
for ( i = 0, l = not.length; i < l; i++ ) { if ( not[i] === elem ) { return false; } }
return true; } }, CHILD: function(elem, match){ var type = match[1], node = elem; switch (type) { case 'only': case 'first': while ( (node = node.previousSibling) ) { if ( node.nodeType === 1 ) return false; } if ( type == 'first') return true; node = elem; case 'last': while ( (node = node.nextSibling) ) { if ( node.nodeType === 1 ) return false; } return true; case 'nth': var first = match[2], last = match[3];
if ( first == 1 && last == 0 ) { return true; }
var doneName = match[0], parent = elem.parentNode;
if ( parent && (parent.sizcache !== doneName || !elem.nodeIndex) ) { var count = 0; for ( node = parent.firstChild; node; node = node.nextSibling ) { if ( node.nodeType === 1 ) { node.nodeIndex = ++count; } } parent.sizcache = doneName; }
var diff = elem.nodeIndex - last; if ( first == 0 ) { return diff == 0; } else { return ( diff % first == 0 && diff / first >= 0 ); } } }, ID: function(elem, match){ return elem.nodeType === 1 && elem.getAttribute("id") === match; }, TAG: function(elem, match){ return (match === "*" && elem.nodeType === 1) || elem.nodeName === match; }, CLASS: function(elem, match){ return (" " + (elem.className || elem.getAttribute("class")) + " ") .indexOf( match ) > -1; }, ATTR: function(elem, match){ var name = match[1], result = Expr.attrHandle[ name ] ? Expr.attrHandle[ name ]( elem ) : elem[ name ] != null ? elem[ name ] : elem.getAttribute( name ), value = result + "", type = match[2], check = match[4];
return result == null ? type === "!=" : type === "=" ? value === check : type === "*=" ? value.indexOf(check) >= 0 : type === "~=" ? (" " + value + " ").indexOf(check) >= 0 : !check ? value && result !== false : type === "!=" ? value != check : type === "^=" ? value.indexOf(check) === 0 : type === "$=" ? value.substr(value.length - check.length) === check : type === "|=" ? value === check || value.substr(0, check.length + 1) === check + "-" : false; }, POS: function(elem, match, i, array){ var name = match[2], filter = Expr.setFilters[ name ];
if ( filter ) { return filter( elem, i, match, array ); } } } };
var origPOS = Expr.match.POS;
for ( var type in Expr.match ) { Expr.match[ type ] = new RegExp( Expr.match[ type ].source + /(?![^\[]*\])(?![^\(]*\))/.source ); }
var makeArray = function(array, results) { array = Array.prototype.slice.call( array );
if ( results ) { results.push.apply( results, array ); return results; }
return array; };
// Perform a simple check to determine if the browser is capable of // converting a NodeList to an array using builtin methods. try { Array.prototype.slice.call( document.documentElement.childNodes );
// Provide a fallback method if it does not work } catch(e){ makeArray = function(array, results) { var ret = results || [];
if ( toString.call(array) === "[object Array]" ) { Array.prototype.push.apply( ret, array ); } else { if ( typeof array.length === "number" ) { for ( var i = 0, l = array.length; i < l; i++ ) { ret.push( array[i] ); } } else { for ( var i = 0; array[i]; i++ ) { ret.push( array[i] ); } } }
return ret; }; }
var sortOrder;
if ( document.documentElement.compareDocumentPosition ) { sortOrder = function( a, b ) { var ret = a.compareDocumentPosition(b) & 4 ? -1 : a === b ? 0 : 1; if ( ret === 0 ) { hasDuplicate = true; } return ret; }; } else if ( "sourceIndex" in document.documentElement ) { sortOrder = function( a, b ) { var ret = a.sourceIndex - b.sourceIndex; if ( ret === 0 ) { hasDuplicate = true; } return ret; }; } else if ( document.createRange ) { sortOrder = function( a, b ) { var aRange = a.ownerDocument.createRange(), bRange = b.ownerDocument.createRange(); aRange.selectNode(a); aRange.collapse(true); bRange.selectNode(b); bRange.collapse(true); var ret = aRange.compareBoundaryPoints(Range.START_TO_END, bRange); if ( ret === 0 ) { hasDuplicate = true; } return ret; }; }
// Check to see if the browser returns elements by name when // querying by getElementById (and provide a workaround) (function(){ // We're going to inject a fake input element with a specified name var form = document.createElement("div"), id = "script" + (new Date).getTime(); form.innerHTML = "<a name='" + id + "'/>";
// Inject it into the root element, check its status, and remove it quickly var root = document.documentElement; root.insertBefore( form, root.firstChild );
// The workaround has to do additional checks after a getElementById // Which slows things down for other browsers (hence the branching) if ( !!document.getElementById( id ) ) { Expr.find.ID = function(match, context, isXML){ if ( typeof context.getElementById !== "undefined" && !isXML ) { var m = context.getElementById(match[1]); return m ? m.id === match[1] || typeof m.getAttributeNode !== "undefined" && m.getAttributeNode("id").nodeValue === match[1] ? [m] : undefined : []; } };
Expr.filter.ID = function(elem, match){ var node = typeof elem.getAttributeNode !== "undefined" && elem.getAttributeNode("id"); return elem.nodeType === 1 && node && node.nodeValue === match; }; }
root.removeChild( form ); root = form = null; // release memory in IE })();
(function(){ // Check to see if the browser returns only elements // when doing getElementsByTagName("*")
// Create a fake element var div = document.createElement("div"); div.appendChild( document.createComment("") );
// Make sure no comments are found if ( div.getElementsByTagName("*").length > 0 ) { Expr.find.TAG = function(match, context){ var results = context.getElementsByTagName(match[1]);
// Filter out possible comments if ( match[1] === "*" ) { var tmp = [];
for ( var i = 0; results[i]; i++ ) { if ( results[i].nodeType === 1 ) { tmp.push( results[i] ); } }
results = tmp; }
return results; }; }
// Check to see if an attribute returns normalized href attributes div.innerHTML = "<a href='#'></a>"; if ( div.firstChild && typeof div.firstChild.getAttribute !== "undefined" && div.firstChild.getAttribute("href") !== "#" ) { Expr.attrHandle.href = function(elem){ return elem.getAttribute("href", 2); }; }
div = null; // release memory in IE })();
if ( document.querySelectorAll ) (function(){ var oldSizzle = Sizzle, div = document.createElement("div");
div.innerHTML = "";// Safari can't handle uppercase or unicode characters when // in quirks mode. if ( div.querySelectorAll && div.querySelectorAll(".TEST").length === 0 ) { return; }
Sizzle = function(query, context, extra, seed){ context = context || document;
// Only use querySelectorAll on non-XML documents // (ID selectors don't work in non-HTML documents) if ( !seed && context.nodeType === 9 && !isXML(context) ) { try { return makeArray( context.querySelectorAll(query), extra ); } catch(e){} }
return oldSizzle(query, context, extra, seed); };
for ( var prop in oldSizzle ) { Sizzle[ prop ] = oldSizzle[ prop ]; }
div = null; // release memory in IE })();
if ( document.getElementsByClassName && document.documentElement.getElementsByClassName ) (function(){ var div = document.createElement("div");
div.innerHTML = "";// Opera can't find a second classname (in 9.6) if ( div.getElementsByClassName("e").length === 0 ) return;
// Safari caches class attributes, doesn't catch changes (in 3.2) div.lastChild.className = "e";
if ( div.getElementsByClassName("e").length === 1 ) return;
Expr.order.splice(1, 0, "CLASS"); Expr.find.CLASS = function(match, context, isXML) { if ( typeof context.getElementsByClassName !== "undefined" && !isXML ) { return context.getElementsByClassName(match[1]); } };
div = null; // release memory in IE })();
function dirNodeCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { var sibDir = dir == "previousSibling" && !isXML; for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { if ( sibDir && elem.nodeType === 1 ){ elem.sizcache = doneName; elem.sizset = i; } elem = elem[dir]; var match = false;
while ( elem ) { if ( elem.sizcache === doneName ) { match = checkSet[elem.sizset]; break; }
if ( elem.nodeType === 1 && !isXML ){ elem.sizcache = doneName; elem.sizset = i; }
if ( elem.nodeName === cur ) { match = elem; break; }
elem = elem[dir]; }
checkSet[i] = match; } } }
function dirCheck( dir, cur, doneName, checkSet, nodeCheck, isXML ) { var sibDir = dir == "previousSibling" && !isXML; for ( var i = 0, l = checkSet.length; i < l; i++ ) { var elem = checkSet[i]; if ( elem ) { if ( sibDir && elem.nodeType === 1 ) { elem.sizcache = doneName; elem.sizset = i; } elem = elem[dir]; var match = false;
while ( elem ) { if ( elem.sizcache === doneName ) { match = checkSet[elem.sizset]; break; }
if ( elem.nodeType === 1 ) { if ( !isXML ) { elem.sizcache = doneName; elem.sizset = i; } if ( typeof cur !== "string" ) { if ( elem === cur ) { match = true; break; }
} else if ( Sizzle.filter( cur, [elem] ).length > 0 ) { match = elem; break; } }
elem = elem[dir]; }
checkSet[i] = match; } } }
var contains = document.compareDocumentPosition ? function(a, b){ return a.compareDocumentPosition(b) & 16; } : function(a, b){ return a !== b && (a.contains ? a.contains(b) : true); };
var isXML = function(elem){ return elem.nodeType === 9 && elem.documentElement.nodeName !== "HTML" || !!elem.ownerDocument && elem.ownerDocument.documentElement.nodeName !== "HTML"; };
var posProcess = function(selector, context){ var tmpSet = [], later = "", match, root = context.nodeType ? [context] : context;
// Position selectors must be done after the filter // And so must :not(positional) so we move all PSEUDOs to the end while ( (match = Expr.match.PSEUDO.exec( selector )) ) { later += match[0]; selector = selector.replace( Expr.match.PSEUDO, "" ); }
selector = Expr.relative[selector] ? selector + "*" : selector;
for ( var i = 0, l = root.length; i < l; i++ ) { Sizzle( selector, root[i], tmpSet ); }
return Sizzle.filter( later, tmpSet ); };
// EXPOSE jQuery.find = Sizzle; jQuery.expr = Sizzle.selectors; jQuery.expr[":"] = jQuery.expr.filters;
Sizzle.selectors.filters.hidden = function(elem){ var width = elem.offsetWidth, height = elem.offsetHeight; return ( width === 0 && height === 0 ) ? true : ( width !== 0 && height !== 0 ) ? false : !!( jQuery.curCSS(elem, "display") === "none" ); };
Sizzle.selectors.filters.visible = function(elem){ var width = elem.offsetWidth, height = elem.offsetHeight; return ( width === 0 && height === 0 ) ? false : ( width > 0 && height > 0 ) ? true : !!( jQuery.curCSS(elem, "display") !== "none" ); };
Sizzle.selectors.filters.animated = function(elem){ return jQuery.grep(jQuery.timers, function(fn){ return elem === fn.elem; }).length; };
jQuery.filter = jQuery.multiFilter = function( expr, elems, not ) { if ( not ) { expr = ":not(" + expr + ")"; }
return Sizzle.matches(expr, elems); };
jQuery.dir = function( elem, dir ){ var matched = [], cur = elem[dir]; while ( cur && cur != document ) { if ( cur.nodeType == 1 ) matched.push( cur ); cur = cur[dir]; } return matched; };
jQuery.nth = function(cur, result, dir, elem){ result = result || 1; var num = 0;
for ( ; cur; cur = cur[dir] ) if ( cur.nodeType == 1 && ++num == result ) break;
return cur; };
jQuery.sibling = function(n, elem){ var r = [];
for ( ; n; n = n.nextSibling ) { if ( n.nodeType == 1 && n != elem ) r.push( n ); }
return r; };
return;
window.Sizzle = Sizzle;
})(); jQuery.fn.extend({ find: function( selector ) { var ret = this.pushStack( "", "find", selector ), length = 0;
for ( var i = 0, l = this.length; i < l; i++ ) { length = ret.length; jQuery.find( selector, this[i], ret );
if ( i > 0 ) { // Make sure that the results are unique for ( var n = length; n < ret.length; n++ ) { for ( var r = 0; r < length; r++ ) { if ( ret[r] === ret[n] ) { ret.splice(n--, 1); break; } } } } }
return ret; },
filter: function( selector ) { return this.pushStack( jQuery.isFunction( selector ) && jQuery.grep(this, function(elem, i){ return selector.call( elem, i ); }) ||
jQuery.multiFilter( selector, jQuery.grep(this, function(elem){ return elem.nodeType === 1; }) ), "filter", selector ); },
closest: function( selector ) { var pos = jQuery.expr.match.POS.test( selector ) ? jQuery(selector) : null, closer = 0;
return this.map(function(){ var cur = this; while ( cur && cur.ownerDocument ) { if ( pos ? pos.index(cur) > -1 : jQuery(cur).is(selector) ) { jQuery.data(cur, "closest", closer); return cur; } cur = cur.parentNode; closer++; } }); },
not: function( selector ) { if ( typeof selector === "string" ) // test special case where just one selector is passed in if ( isSimple.test( selector ) ) return this.pushStack( jQuery.multiFilter( selector, this, true ), "not", selector ); else selector = jQuery.multiFilter( selector, this );
var isArrayLike = selector.length && selector[selector.length - 1] !== undefined && !selector.nodeType; return this.filter(function() { return isArrayLike ? jQuery.inArray( this, selector ) < 0 : this != selector; }); },
add: function( selector ) { return this.pushStack( jQuery.unique( jQuery.merge( this.get(), typeof selector === "string" ? jQuery( selector ) : jQuery.makeArray( selector ) ))); },
eq: function( i ) { return this.slice( i, +i + 1 ); },
slice: function() { return this.pushStack( Array.prototype.slice.apply( this, arguments ), "slice", Array.prototype.slice.call(arguments).join(",") ); },
map: function( callback ) { return this.pushStack( jQuery.map(this, function(elem, i){ return callback.call( elem, i, elem ); })); },
andSelf: function() { return this.add( this.prevObject ); },
end: function() { return this.prevObject || jQuery(null); } });
jQuery.each({ parent: function(elem){return elem.parentNode;}, parents: function(elem){return jQuery.dir(elem,"parentNode");}, next: function(elem){return jQuery.nth(elem,2,"nextSibling");}, prev: function(elem){return jQuery.nth(elem,2,"previousSibling");}, nextAll: function(elem){return jQuery.dir(elem,"nextSibling");}, prevAll: function(elem){return jQuery.dir(elem,"previousSibling");}, siblings: function(elem){return jQuery.sibling(elem.parentNode.firstChild,elem);}, children: function(elem){return jQuery.sibling(elem.firstChild);}, contents: function(elem){return jQuery.nodeName(elem,"iframe")?elem.contentDocument||elem.contentWindow.document:jQuery.makeArray(elem.childNodes);} }, function(name, fn){ jQuery.fn[ name ] = function( selector ) { var ret = jQuery.map( this, fn );
if ( selector && typeof selector == "string" ) ret = jQuery.multiFilter( selector, ret );
return this.pushStack( jQuery.unique( ret ), name, selector ); }; });jQuery.fn.extend({ attr: function( name, value ) { var options = name, isFunction = jQuery.isFunction( value );
if ( typeof name === "string" ) { // Are we setting the attribute? if ( value === undefined ) { return this.length ? jQuery.attr( this[0], name ) : null;
// Convert name, value params to options hash format } else { options = {}; options[ name ] = value; } }
// For each element... for ( var i = 0, l = this.length; i < l; i++ ) { var elem = this[i];
// Set all the attributes for ( var prop in options ) { value = options[prop];
if ( isFunction ) { value = value.call( elem, i ); }
jQuery.attr( elem, prop, value ); } }
return this; },
hasClass: function( selector ) { return !!selector && this.is( "." + selector ); },
val: function( value ) { if ( value === undefined ) { var elem = this[0];
if ( elem ) { if( jQuery.nodeName( elem, 'option' ) ) return (elem.attributes.value || {}).specified ? elem.value : elem.text;
// We need to handle select boxes special if ( jQuery.nodeName( elem, "select" ) ) { var index = elem.selectedIndex, values = [], options = elem.options, one = elem.type == "select-one";
// Nothing was selected if ( index < 0 ) return null;
// Loop through all the selected options for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) { var option = options[ i ];
if ( option.selected ) { // Get the specifc value for the option value = jQuery(option).val();
// We don't need an array for one selects if ( one ) return value;
// Multi-Selects return an array values.push( value ); } }
return values; }
// Everything else, we just grab the value return (elem.value || "").replace(/\r/g, "");
}
return undefined; }
if ( typeof value === "number" ) value += ;
return this.each(function(){ if ( this.nodeType != 1 ) return;
if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) ) this.checked = (jQuery.inArray(this.value, value) >= 0 || jQuery.inArray(this.name, value) >= 0);
else if ( jQuery.nodeName( this, "select" ) ) { var values = jQuery.makeArray(value);
jQuery( "option", this ).each(function(){ this.selected = (jQuery.inArray( this.value, values ) >= 0 || jQuery.inArray( this.text, values ) >= 0); });
if ( !values.length ) this.selectedIndex = -1;
} else this.value = value; }); } });
jQuery.each({ removeAttr: function( name ) { jQuery.attr( this, name, "" ); if (this.nodeType == 1) this.removeAttribute( name ); },
addClass: function( classNames ) { jQuery.className.add( this, classNames ); },
removeClass: function( classNames ) { jQuery.className.remove( this, classNames ); },
toggleClass: function( classNames, state ) { var type = typeof classNames; if ( type === "string" ) { // toggle individual class names var isBool = typeof state === "boolean", className, i = 0, classNames = classNames.split( /\s+/ ); while ( (className = classNames[ i++ ]) ) { // check each className given, space seperated list state = isBool ? state : !jQuery.className.has( this, className ); jQuery.className[ state ? "add" : "remove" ]( this, className ); } } else if ( type === "undefined" || type === "boolean" ) { if ( this.className ) { // store className if set jQuery.data( this, "__className__", this.className ); } // toggle whole className this.className = this.className || classNames === false ? "" : jQuery.data( this, "__className__" ) || ""; } } }, function(name, fn){ jQuery.fn[ name ] = function(){ return this.each( fn, arguments ); }; });
jQuery.extend({ className: { // internal only, use addClass("class") add: function( elem, classNames ) { jQuery.each((classNames || "").split(/\s+/), function(i, className){ if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) ) elem.className += (elem.className ? " " : "") + className; }); },
// internal only, use removeClass("class") remove: function( elem, classNames ) { if (elem.nodeType == 1) elem.className = classNames !== undefined ? jQuery.grep(elem.className.split(/\s+/), function(className){ return !jQuery.className.has( classNames, className ); }).join(" ") : ""; },
// internal only, use hasClass("class") has: function( elem, className ) { return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1; } },
attr: function( elem, name, value ) { // don't set attributes on text and comment nodes if (!elem || elem.nodeType == 3 || elem.nodeType == 8) return undefined;
var notxml = !elem.tagName || !jQuery.isXMLDoc( elem ), // Whether we are setting (or getting) set = value !== undefined;
// Try to normalize/fix the name name = notxml && jQuery.props[ name ] || name;
// Only do all the following if this is a node (faster for style) if ( elem.tagName ) {
// These attributes require special treatment var special = /href|src|style/.test( name );
// Safari mis-reports the default selected property of a hidden option // Accessing the parent's selectedIndex property fixes it if ( name == "selected" && elem.parentNode ) elem.parentNode.selectedIndex;
// If applicable, access the attribute via the DOM 0 way if ( name in elem && notxml && !special ) { if ( set ){ // We can't allow the type property to be changed (since it causes problems in IE) if ( name == "type" && elem.nodeName.match(/(button|input)/i) && elem.parentNode ) throw "type property can't be changed";
elem[ name ] = value; }
// browsers index elements by id/name on forms, give priority to attributes. if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) return elem.getAttributeNode( name ).nodeValue;
// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/ if ( name == "tabIndex" ) { var attributeNode = elem.getAttributeNode( "tabIndex" ); return attributeNode && attributeNode.specified ? attributeNode.value : elem.nodeName.match(/(button|input|object|select|textarea)/i) ? 0 : elem.nodeName.match(/^(a|area)$/i) && elem.href ? 0 : undefined; }
return elem[ name ]; }
if ( !jQuery.support.style && notxml && name == "style" ) { if ( set ) elem.style.cssText = "" + value;
return elem.style.cssText; }
if ( set ) // convert the value to a string (all browsers do this but IE) see #1070 elem.setAttribute( name, "" + value );
var attr = !jQuery.support.hrefNormalized && notxml && special // Some attributes require a special call on IE ? elem.getAttribute( name, 2 ) : elem.getAttribute( name );
// Non-existent attributes return null, we normalize to undefined return attr === null ? undefined : attr; }
// elem is actually elem.style ... set the style // Using attr for specific style information is now deprecated. Use style insead. return jQuery.style(elem, name, value); } });jQuery.fn.extend({ text: function( text ) { if ( typeof text !== "object" && text != null ) return this.empty().append( (this[0] && this[0].ownerDocument || document).createTextNode( text ) );
var ret = "";
jQuery.each( text || this, function(){ jQuery.each( this.childNodes, function(){ if ( this.nodeType != 8 ) ret += this.nodeType != 1 ? this.nodeValue : jQuery.fn.text( [ this ] ); }); });
return ret; },
wrapAll: function( html ) { if ( this[0] ) { // The elements to wrap the target around var wrap = jQuery( html, this[0].ownerDocument ).clone();
if ( this[0].parentNode ) wrap.insertBefore( this[0] );
wrap.map(function(){ var elem = this;
while ( elem.firstChild ) elem = elem.firstChild;
return elem; }).append(this); }
return this; },
wrapInner: function( html ) { return this.each(function(){ jQuery( this ).contents().wrapAll( html ); }); },
wrap: function( html ) { return this.each(function(){ jQuery( this ).wrapAll( html ); }); },
append: function() { return this.domManip(arguments, true, function(elem){ if (this.nodeType == 1) this.appendChild( elem ); }); },
prepend: function() { return this.domManip(arguments, true, function(elem){ if (this.nodeType == 1) this.insertBefore( elem, this.firstChild ); }); },
before: function() { return this.domManip(arguments, false, function(elem){ this.parentNode.insertBefore( elem, this ); }); },
after: function() { return this.domManip(arguments, false, function(elem){ this.parentNode.insertBefore( elem, this.nextSibling ); }); },
clone: function( events ) { // Do the clone var ret = this.map(function(){ if ( !jQuery.support.noCloneEvent && !jQuery.isXMLDoc(this) ) { // IE copies events bound via attachEvent when // using cloneNode. Calling detachEvent on the // clone will also remove the events from the orignal // In order to get around this, we use innerHTML. // Unfortunately, this means some modifications to // attributes in IE that are actually only stored // as properties will not be copied (such as the // the name attribute on an input). var html = this.outerHTML, ownerDocument = this.ownerDocument; if ( !html ) { var div = ownerDocument.createElement("div"); div.appendChild( this.cloneNode(true) ); html = div.innerHTML; }
return jQuery.clean([html.replace(/ jQuery\d+="(?:\d+|null)"/g, "").replace(/^\s*/, "")], ownerDocument)[0]; } else return this.cloneNode(true); });
// Copy the events from the original to the clone if ( events === true ) { var orig = this.find("*").andSelf(), i = 0;
ret.find("*").andSelf().each(function(){ if ( this.nodeName !== orig[i].nodeName ) return;
var events = jQuery.data( orig[i], "events" );
for ( var type in events ) { for ( var handler in events[ type ] ) { jQuery.event.add( this, type, events[ type ][ handler ], events[ type ][ handler ].data ); } }
i++; }); }
// Return the cloned set return ret; },
html: function( value ) { return value === undefined ? (this[0] ? this[0].innerHTML.replace(/ jQuery\d+="(?:\d+|null)"/g, "") : null) : this.empty().append( value ); },
replaceWith: function( value ) { return this.after( value ).remove(); },
domManip: function( args, table, callback ) { if ( this[0] ) { var fragment = (this[0].ownerDocument || this[0]).createDocumentFragment(), scripts = jQuery.clean( args, (this[0].ownerDocument || this[0]), fragment ), first = fragment.firstChild;
if ( first ) for ( var i = 0, l = this.length; i < l; i++ ) callback.call( root(this[i], first), this.length > 1 || i > 0 ? fragment.cloneNode(true) : fragment );
if ( scripts ) jQuery.each( scripts, evalScript ); }
return this;
function root( elem, cur ) { return table && jQuery.nodeName(elem, "table") && jQuery.nodeName(cur, "tr") ? (elem.getElementsByTagName("tbody")[0] || elem.appendChild(elem.ownerDocument.createElement("tbody"))) : elem; } } });
jQuery.each({ appendTo: "append", prependTo: "prepend", insertBefore: "before", insertAfter: "after", replaceAll: "replaceWith" }, function(name, original){ jQuery.fn[ name ] = function( selector ) { var ret = [], insert = jQuery( selector );
for ( var i = 0, l = insert.length; i < l; i++ ) { var elems = (i > 0 ? this.clone(true) : this).get(); jQuery.fn[ original ].apply( jQuery(insert[i]), elems ); ret = ret.concat( elems ); }
return this.pushStack( ret, name, selector ); }; });
jQuery.each({ remove: function( selector ) { if ( !selector || jQuery.multiFilter( selector, [ this ] ).length ) { if ( this.nodeType === 1 ) { cleanData( jQuery("*", this).add(this) ); }
if ( this.parentNode ) { this.parentNode.removeChild( this ); } } },
empty: function() { // Remove element nodes and prevent memory leaks if ( this.nodeType === 1 ) { cleanData( jQuery("*", this) ); }
// Remove any remaining nodes while ( this.firstChild ) { this.removeChild( this.firstChild ); } } }, function(name, fn){ jQuery.fn[ name ] = function(){ return this.each( fn, arguments ); }; });
jQuery.extend({ clean: function( elems, context, fragment ) { context = context || document;
// !context.createElement fails in IE with an error but returns typeof 'object' if ( typeof context.createElement === "undefined" ) context = context.ownerDocument || context[0] && context[0].ownerDocument || document;
// If a single string is passed in and it's a single tag // just do a createElement and skip the rest if ( !fragment && elems.length === 1 && typeof elems[0] === "string" ) { var match = /^<(\w+)\s*\/?>$/.exec(elems[0]); if ( match ) return [ context.createElement( match[1] ) ]; }
var ret = [], scripts = [], div = context.createElement("div");
jQuery.each(elems, function(i, elem){ if ( typeof elem === "number" ) elem += ;
if ( !elem ) return;
// Convert html string into DOM nodes if ( typeof elem === "string" ) { // Fix "XHTML"-style tags in all browsers elem = elem.replace(/(<(\w+)[^>]*?)\/>/g, function(all, front, tag){ return tag.match(/^(abbr|br|col|img|input|link|meta|param|hr|area|embed)$/i) ? all : front + "></" + tag + ">"; });
// Trim whitespace, otherwise indexOf won't work as expected var tags = elem.replace(/^\s+/, "").substring(0, 10).toLowerCase();
var wrap = // option or optgroup !tags.indexOf("<opt") && [ 1, "<select multiple='multiple'>", "</select>" ] ||
!tags.indexOf("<leg") && [ 1, "<fieldset>", "</fieldset>" ] ||
tags.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
[ 1, "!tags.indexOf("<tr") &&
[ 2, "// <thead> matched above (!tags.indexOf("<td") || !tags.indexOf("<th")) &&
[ 3, "!tags.indexOf("<col") &&
[ 2, "// IE can't serialize <link> and <script> tags normally !jQuery.support.htmlSerialize &&
[ 1, "div[ 0, "", "" ];
// Go to html and back, then peel off extra wrappers div.innerHTML = wrap[1] + elem + wrap[2];
// Move to the right depth while ( wrap[0]-- ) div = div.lastChild;
// Remove IE's autoinserted <tbody> from table fragments if ( !jQuery.support.tbody ) {
// String was avar all = div.getElementsByTagName("*"), a = div.getElementsByTagName("a")[0];
// Can't get basic test support if ( !all || !all.length || !a ) { return; }
jQuery.support = { // IE strips leading whitespace when .innerHTML is used leadingWhitespace: div.firstChild.nodeType == 3,
// Make sure that tbody elements aren't automatically inserted // IE will insert them into empty tables tbody: !div.getElementsByTagName("tbody").length,
// Make sure that link elements get serialized correctly by innerHTML // This requires a wrapper element in IE htmlSerialize: !!div.getElementsByTagName("link").length,
// Get the style information from getAttribute // (IE uses .cssText insted) style: /red/.test( a.getAttribute("style") ),
// Make sure that URLs aren't manipulated // (IE normalizes it by default) hrefNormalized: a.getAttribute("href") === "/a",
// Make sure that element opacity exists // (IE uses filter instead) opacity: a.style.opacity === "0.5",
// Verify style float existence // (IE uses styleFloat instead of cssFloat) cssFloat: !!a.style.cssFloat,
// Will be defined later scriptEval: false, noCloneEvent: true, boxModel: null };
script.type = "text/javascript"; try { script.appendChild( document.createTextNode( "window." + id + "=1;" ) ); } catch(e){}
root.insertBefore( script, root.firstChild );
// Make sure that the execution of code works by injecting a script // tag with appendChild/createTextNode // (IE doesn't support this, fails, and uses .text instead) if ( window[ id ] ) { jQuery.support.scriptEval = true; delete window[ id ]; }
root.removeChild( script );
if ( div.attachEvent && div.fireEvent ) { div.attachEvent("onclick", function click(){ // Cloning a node shouldn't copy over any // bound event handlers (IE does this) jQuery.support.noCloneEvent = false; div.detachEvent("onclick", click); }); div.cloneNode(true).fireEvent("onclick"); }
// Figure out if the W3C box model works as expected // document.body must exist before we can do this jQuery(function(){ var div = document.createElement("div"); div.style.width = div.style.paddingLeft = "1px";
document.body.appendChild( div ); jQuery.boxModel = jQuery.support.boxModel = div.offsetWidth === 2; document.body.removeChild( div ).style.display = 'none'; div = null; });
// release memory in IE root = script = div = all = a = null; })();
jQuery.props = { "for": "htmlFor", "class": "className", readonly: "readOnly", maxlength: "maxLength", cellspacing: "cellSpacing", rowspan: "rowSpan", colspan: "colSpan", tabindex: "tabIndex" }; // exclude the following css properties to add px var exclude = /z-?index|font-?weight|opacity|zoom|line-?height/i, // cache check for defaultView.getComputedStyle getComputedStyle = document.defaultView && document.defaultView.getComputedStyle, // normalize float css property styleFloat = jQuery.support.cssFloat ? "cssFloat" : "styleFloat";
jQuery.fn.css = function( name, value ) { var options = name, isFunction = jQuery.isFunction( value );
if ( typeof name === "string" ) { // Are we setting the style? if ( value === undefined ) { return this.length ? jQuery.css( this[0], name ) : null;
// Convert name, value params to options hash format } else { options = {}; options[ name ] = value; } }
// For each element... for ( var i = 0, l = this.length; i < l; i++ ) { var elem = this[i];
// Set all the styles for ( var prop in options ) { value = options[prop];
if ( isFunction ) { value = value.call( elem, i ); }
if ( typeof value === "number" && !exclude.test(prop) ) { value = value + "px"; }
jQuery.style( elem, prop, value ); } }
return this; };
jQuery.extend({ style: function( elem, name, value ) { // don't set styles on text and comment nodes if (!elem || elem.nodeType == 3 || elem.nodeType == 8) return undefined;
// ignore negative width and height values #1599 if ( (name == 'width' || name == 'height') && parseFloat(value) < 0 ) value = undefined;
var style = elem.style || elem, set = value !== undefined;
// IE uses filters for opacity if ( !jQuery.support.opacity && name == "opacity" ) { if ( set ) { // IE has trouble with opacity if it does not have layout // Force it by setting the zoom level style.zoom = 1;
// Set the alpha filter to set the opacity style.filter = (style.filter || "").replace( /alpha\([^)]*\)/, "" ) + (parseInt( value ) + == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")"); }
return style.filter && style.filter.indexOf("opacity=") >= 0 ? (parseFloat( style.filter.match(/opacity=([^)]*)/)[1] ) / 100) + : ""; }
// Make sure we're using the right name for getting the float value if ( /float/i.test( name ) ) name = styleFloat;
name = name.replace(/-([a-z])/ig, function(all, letter){ return letter.toUpperCase(); });
if ( set ) style[ name ] = value;
return style[ name ]; },
css: function( elem, name, force, extra ) { if ( name == "width" || name == "height" ) { var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
function getWH() { val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
if ( extra === "border" ) return;
jQuery.each( which, function() { if ( !extra ) val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0; if ( extra === "margin" ) val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0; else val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0; }); }
if ( elem.offsetWidth !== 0 ) getWH(); else jQuery.swap( elem, props, getWH );
return Math.max(0, Math.round(val)); }
return jQuery.curCSS( elem, name, force ); },
curCSS: function( elem, name, force ) { var ret, style = elem.style, filter;
// IE uses filters for opacity if ( !jQuery.support.opacity && name === "opacity" && elem.currentStyle ) { ret = (elem.currentStyle.filter || "").match(/opacity=([^)]*)/) ? (parseFloat(RegExp.$1) / 100) + "" : "";
return ret === "" ? "1" : ret; }
// Make sure we're using the right name for getting the float value if ( /float/i.test( name ) ) name = styleFloat;
if ( !force && style && style[ name ] ) { ret = style[ name ];
} else if ( getComputedStyle ) {
// Only "float" is needed here if ( /float/i.test( name ) ) name = "float";
name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
var computedStyle = elem.ownerDocument.defaultView.getComputedStyle( elem, null );
if ( computedStyle ) ret = computedStyle.getPropertyValue( name );
// We should always get a number back from opacity if ( name == "opacity" && ret == "" ) ret = "1";
} else if ( elem.currentStyle ) { var camelCase = name.replace(/\-(\w)/g, function(all, letter){ return letter.toUpperCase(); });
ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
// From the awesome hack by Dean Edwards // http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
// If we're not dealing with a regular pixel number // but a number that has a weird ending, we need to convert it to pixels if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) { // Remember the original values var left = style.left, rsLeft = elem.runtimeStyle.left;
// Put in the new values to get a computed value out elem.runtimeStyle.left = elem.currentStyle.left; style.left = ret || 0; ret = style.pixelLeft + "px";
// Revert the changed values style.left = left; elem.runtimeStyle.left = rsLeft; } }
return ret; },
// A method for quickly swapping in/out CSS properties to get correct calculations swap: function( elem, options, callback ) { var old = {}; // Remember the old values, and insert the new ones for ( var name in options ) { old[ name ] = elem.style[ name ]; elem.style[ name ] = options[ name ]; }
callback.call( elem );
// Revert the old values for ( var name in options ) elem.style[ name ] = old[ name ]; } });jQuery.fn.extend({ // Keep a copy of the old load _load: jQuery.fn.load,
load: function( url, params, callback ) { if ( typeof url !== "string" ) return this._load( url );
var off = url.indexOf(" "); if ( off >= 0 ) { var selector = url.slice(off, url.length); url = url.slice(0, off); }
// Default to a GET request var type = "GET";
// If the second parameter was provided if ( params ) // If it's a function if ( jQuery.isFunction( params ) ) { // We assume that it's the callback callback = params; params = null;
// Otherwise, build a param string } else if( typeof params === "object" ) { params = jQuery.param( params ); type = "POST"; }
var self = this;
// Request the remote document jQuery.ajax({ url: url, type: type, dataType: "html", data: params, complete: function(res, status){ // If successful, inject the HTML into all the matched elements if ( status == "success" || status == "notmodified" ) // See if a selector was specified self.html( selector ? // Create a dummy div to hold the results jQuery("<div/>") // inject the contents of the document in, removing the scripts // to avoid any 'Permission Denied' errors in IE .append(res.responseText.replace(/<script(.|\s)*?\/script>/g, ""))
// Locate the specified elements .find(selector) :
// If not, just inject the full result res.responseText );
if( callback ) self.each( callback, [res.responseText, status, res] ); } }); return this; },
serialize: function() { return jQuery.param(this.serializeArray()); }, serializeArray: function() { return this.map(function(){ return this.elements ? jQuery.makeArray(this.elements) : this; }) .filter(function(){ return this.name && !this.disabled && (this.checked || /select|textarea/i.test(this.nodeName) || /text|hidden|password|search/i.test(this.type)); }) .map(function(i, elem){ var val = jQuery(this).val(); return val == null ? null : jQuery.isArray(val) ? jQuery.map( val, function(val, i){ return {name: elem.name, value: val}; }) : {name: elem.name, value: val}; }).get(); } });
// Attach a bunch of functions for handling common AJAX events jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){ jQuery.fn[o] = function(f){ return this.bind(o, f); }; });
var jsc = now();
jQuery.extend({
get: function( url, data, callback, type ) { // shift arguments if data argument was ommited if ( jQuery.isFunction( data ) ) { callback = data; data = null; }
return jQuery.ajax({ type: "GET", url: url, data: data, success: callback, dataType: type }); },
getScript: function( url, callback ) { return jQuery.get(url, null, callback, "script"); },
getJSON: function( url, data, callback ) { return jQuery.get(url, data, callback, "json"); },
post: function( url, data, callback, type ) { if ( jQuery.isFunction( data ) ) { callback = data; data = {}; }
return jQuery.ajax({ type: "POST", url: url, data: data, success: callback, dataType: type }); },
ajaxSetup: function( settings ) { jQuery.extend( jQuery.ajaxSettings, settings ); },
ajaxSettings: { url: location.href, global: true, type: "GET", contentType: "application/x-www-form-urlencoded", processData: true, async: true, /* timeout: 0, data: null, username: null, password: null, */ // Create the request object; Microsoft failed to properly // implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available // This function can be overriden by calling jQuery.ajaxSetup xhr:function(){ return window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest(); }, accepts: { xml: "application/xml, text/xml", html: "text/html", script: "text/javascript, application/javascript", json: "application/json, text/javascript", text: "text/plain", _default: "*/*" } },
// Last-Modified header cache for next request lastModified: {},
ajax: function( s ) { // Extend the settings, but re-extend 's' so that it can be // checked again later (in the test suite, specifically) s = jQuery.extend(true, s, jQuery.extend(true, {}, jQuery.ajaxSettings, s));
var jsonp, jsre = /=\?(&|$)/g, status, data, type = s.type.toUpperCase();
// convert data if not already a string if ( s.data && s.processData && typeof s.data !== "string" ) s.data = jQuery.param(s.data);
// Handle JSONP Parameter Callbacks if ( s.dataType == "jsonp" ) { if ( type == "GET" ) { if ( !s.url.match(jsre) ) s.url += (s.url.match(/\?/) ? "&" : "?") + (s.jsonp || "callback") + "=?"; } else if ( !s.data || !s.data.match(jsre) ) s.data = (s.data ? s.data + "&" : "") + (s.jsonp || "callback") + "=?"; s.dataType = "json"; }
// Build temporary JSONP function if ( s.dataType == "json" && (s.data && s.data.match(jsre) || s.url.match(jsre)) ) { jsonp = "jsonp" + jsc++;
// Replace the =? sequence both in the query string and the data if ( s.data ) s.data = (s.data + "").replace(jsre, "=" + jsonp + "$1"); s.url = s.url.replace(jsre, "=" + jsonp + "$1");
// We need to make sure // that a JSONP style response is executed properly s.dataType = "script";
// Handle JSONP-style loading window[ jsonp ] = function(tmp){ data = tmp; success(); complete(); // Garbage collect window[ jsonp ] = undefined; try{ delete window[ jsonp ]; } catch(e){} if ( head ) head.removeChild( script ); }; }
if ( s.dataType == "script" && s.cache == null ) s.cache = false;
if ( s.cache === false && type == "GET" ) { var ts = now(); // try replacing _= if it is there var ret = s.url.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2"); // if nothing was replaced, add timestamp to the end s.url = ret + ((ret == s.url) ? (s.url.match(/\?/) ? "&" : "?") + "_=" + ts : ""); }
// If data is available, append data to url for get requests if ( s.data && type == "GET" ) { s.url += (s.url.match(/\?/) ? "&" : "?") + s.data; }
// Watch for a new set of requests if ( s.global && ! jQuery.active++ ) jQuery.event.trigger( "ajaxStart" );
// Matches an absolute URL, and saves the domain var parts = /^(\w+:)?\/\/([^\/?#]+)/.exec( s.url );
// If we're requesting a remote document // and trying to load JSON or Script with a GET if ( s.dataType == "script" && type == "GET" && parts && ( parts[1] && parts[1] != location.protocol || parts[2] != location.host )){
var head = document.getElementsByTagName("head")[0]; var script = document.createElement("script"); script.src = s.url; if (s.scriptCharset) script.charset = s.scriptCharset;
// Handle Script loading if ( !jsonp ) { var done = false;
// Attach handlers for all browsers script.onload = script.onreadystatechange = function(){ if ( !done && (!this.readyState || this.readyState == "loaded" || this.readyState == "complete") ) { done = true; success(); complete();
// Handle memory leak in IE script.onload = script.onreadystatechange = null; head.removeChild( script ); } }; }
// Use insertBefore instead of appendChild to circumvent an IE6 bug. // This arises when a base node is used (#2709 and #4378). head.insertBefore( script, head.firstChild );
// We handle everything using the script element injection return undefined; }
var requestDone = false;
// Create the request object var xhr = s.xhr();
// Open the socket // Passing null username, generates a login popup on Opera (#2865) if( s.username ) xhr.open(type, s.url, s.async, s.username, s.password); else xhr.open(type, s.url, s.async);
// Need an extra try/catch for cross domain requests in Firefox 3 try { // Set the correct header, if data is being sent if ( s.data ) xhr.setRequestHeader("Content-Type", s.contentType);
// Set the If-Modified-Since header, if ifModified mode. if ( s.ifModified ) xhr.setRequestHeader("If-Modified-Since", jQuery.lastModified[s.url] || "Thu, 01 Jan 1970 00:00:00 GMT" );
// Set header so the called script knows that it's an XMLHttpRequest xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
// Set the Accepts header for the server, depending on the dataType xhr.setRequestHeader("Accept", s.dataType && s.accepts[ s.dataType ] ? s.accepts[ s.dataType ] + ", */*" : s.accepts._default ); } catch(e){}
// Allow custom headers/mimetypes and early abort if ( s.beforeSend && s.beforeSend(xhr, s) === false ) { // Handle the global AJAX counter if ( s.global && ! --jQuery.active ) jQuery.event.trigger( "ajaxStop" ); // close opended socket xhr.abort(); return false; }
if ( s.global ) jQuery.event.trigger("ajaxSend", [xhr, s]);
// Wait for a response to come back var onreadystatechange = function(isTimeout){ // The request was aborted, clear the interval and decrement jQuery.active if (xhr.readyState == 0) { if (ival) { // clear poll interval clearInterval(ival); ival = null; // Handle the global AJAX counter if ( s.global && ! --jQuery.active ) jQuery.event.trigger( "ajaxStop" ); } // The transfer is complete and the data is available, or the request timed out } else if ( !requestDone && xhr && (xhr.readyState == 4 || isTimeout == "timeout") ) { requestDone = true;
// clear poll interval if (ival) { clearInterval(ival); ival = null; }
status = isTimeout == "timeout" ? "timeout" : !jQuery.httpSuccess( xhr ) ? "error" : s.ifModified && jQuery.httpNotModified( xhr, s.url ) ? "notmodified" : "success";
if ( status == "success" ) { // Watch for, and catch, XML document parse errors try { // process the data (runs the xml through httpData regardless of callback) data = jQuery.httpData( xhr, s.dataType, s ); } catch(e) { status = "parsererror"; } }
// Make sure that the request was successful or notmodified if ( status == "success" ) { // Cache Last-Modified header, if ifModified mode. var modRes; try { modRes = xhr.getResponseHeader("Last-Modified"); } catch(e) {} // swallow exception thrown by FF if header is not available
if ( s.ifModified && modRes ) jQuery.lastModified[s.url] = modRes;
// JSONP handles its own success callback if ( !jsonp ) success(); } else jQuery.handleError(s, xhr, status);
// Fire the complete handlers complete();
if ( isTimeout ) xhr.abort();
// Stop memory leaks if ( s.async ) xhr = null; } };
if ( s.async ) { // don't attach the handler to the request, just poll it instead var ival = setInterval(onreadystatechange, 13);
// Timeout checker if ( s.timeout > 0 ) setTimeout(function(){ // Check to see if the request is still happening if ( xhr && !requestDone ) onreadystatechange( "timeout" ); }, s.timeout); }
// Send the data try { xhr.send( type === "POST" ? s.data : null ); } catch(e) { jQuery.handleError(s, xhr, null, e); }
// firefox 1.5 doesn't fire statechange for sync requests if ( !s.async ) onreadystatechange();
function success(){ // If a local callback was specified, fire it and pass it the data if ( s.success ) s.success( data, status );
// Fire the global callback if ( s.global ) jQuery.event.trigger( "ajaxSuccess", [xhr, s] ); }
function complete(){ // Process result if ( s.complete ) s.complete(xhr, status);
// The request was completed if ( s.global ) jQuery.event.trigger( "ajaxComplete", [xhr, s] );
// Handle the global AJAX counter if ( s.global && ! --jQuery.active ) jQuery.event.trigger( "ajaxStop" ); }
// return XMLHttpRequest to allow aborting the request etc. return xhr; },
handleError: function( s, xhr, status, e ) { // If a local callback was specified, fire it if ( s.error ) s.error( xhr, status, e );
// Fire the global callback if ( s.global ) jQuery.event.trigger( "ajaxError", [xhr, s, e] ); },
// Counter for holding the number of active queries active: 0,
// Determines if an XMLHttpRequest was successful or not httpSuccess: function( xhr ) { try { // IE error sometimes returns 1223 when it should be 204 so treat it as success, see #1450 return !xhr.status && location.protocol == "file:" || ( xhr.status >= 200 && xhr.status < 300 ) || xhr.status == 304 || xhr.status == 1223; } catch(e){} return false; },
// Determines if an XMLHttpRequest returns NotModified httpNotModified: function( xhr, url ) { try { var xhrRes = xhr.getResponseHeader("Last-Modified");
// Firefox always returns 200. check Last-Modified date return xhr.status == 304 || xhrRes == jQuery.lastModified[url]; } catch(e){} return false; },
httpData: function( xhr, type, s ) { var ct = xhr.getResponseHeader("content-type"), xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0, data = xml ? xhr.responseXML : xhr.responseText;
if ( xml && data.documentElement.tagName == "parsererror" ) { throw "parsererror"; }
// Allow a pre-filtering function to sanitize the response // s != null is checked to keep backwards compatibility if ( s && s.dataFilter ) { data = s.dataFilter( data, type ); }
// The filter can actually parse the response if ( typeof data === "string" ) {
// If the type is "script", eval it in global context if ( type === "script" ) { jQuery.globalEval( data ); }
// Get the JavaScript object, if JSON is used. if ( type == "json" ) { if ( typeof JSON === "object" && JSON.parse ) { data = JSON.parse( data ); } else { data = (new Function("return " + data))(); } } }
return data; },
// Serialize an array of form elements or a set of // key/values into a query string param: function( a ) { var s = [ ];
function add( key, value ){ s[ s.length ] = encodeURIComponent(key) + '=' + encodeURIComponent(value); };
// If an array was passed in, assume that it is an array // of form elements if ( jQuery.isArray(a) || a.jquery ) // Serialize the form elements jQuery.each( a, function(){ add( this.name, this.value ); });
// Otherwise, assume that it's an object of key/value pairs else // Serialize the key/values for ( var j in a ) // If the value is an array then the key names need to be repeated if ( jQuery.isArray(a[j]) ) jQuery.each( a[j], function(){ add( j, this ); }); else add( j, jQuery.isFunction(a[j]) ? a[j]() : a[j] );
// Return the resulting serialization return s.join("&").replace(/%20/g, "+"); }
}); var elemdisplay = {}, timerId, fxAttrs = [ // height animations [ "height", "marginTop", "marginBottom", "paddingTop", "paddingBottom" ], // width animations [ "width", "marginLeft", "marginRight", "paddingLeft", "paddingRight" ], // opacity animations [ "opacity" ] ];
function genFx( type, num ){ var obj = {}; jQuery.each( fxAttrs.concat.apply([], fxAttrs.slice(0,num)), function(){ obj[ this ] = type; }); return obj; }
jQuery.fn.extend({ show: function(speed,callback){ if ( speed ) { return this.animate( genFx("show", 3), speed, callback); } else { for ( var i = 0, l = this.length; i < l; i++ ){ var old = jQuery.data(this[i], "olddisplay");
this[i].style.display = old || "";
if ( jQuery.css(this[i], "display") === "none" ) { var tagName = this[i].tagName, display;
if ( elemdisplay[ tagName ] ) { display = elemdisplay[ tagName ]; } else { var elem = jQuery("<" + tagName + " />").appendTo("body");
display = elem.css("display"); if ( display === "none" ) display = "block";
elem.remove();
elemdisplay[ tagName ] = display; }
jQuery.data(this[i], "olddisplay", display); } }
// Set the display of the elements in a second loop // to avoid the constant reflow for ( var i = 0, l = this.length; i < l; i++ ){ this[i].style.display = jQuery.data(this[i], "olddisplay") || ""; }
return this; } },
hide: function(speed,callback){ if ( speed ) { return this.animate( genFx("hide", 3), speed, callback); } else { for ( var i = 0, l = this.length; i < l; i++ ){ var old = jQuery.data(this[i], "olddisplay"); if ( !old && old !== "none" ) jQuery.data(this[i], "olddisplay", jQuery.css(this[i], "display")); }
// Set the display of the elements in a second loop // to avoid the constant reflow for ( var i = 0, l = this.length; i < l; i++ ){ this[i].style.display = "none"; }
return this; } },
// Save the old toggle function _toggle: jQuery.fn.toggle,
toggle: function( fn, fn2 ){ var bool = typeof fn === "boolean";
return jQuery.isFunction(fn) && jQuery.isFunction(fn2) ? this._toggle.apply( this, arguments ) : fn == null || bool ? this.each(function(){ var state = bool ? fn : jQuery(this).is(":hidden"); jQuery(this)[ state ? "show" : "hide" ](); }) : this.animate(genFx("toggle", 3), fn, fn2); },
fadeTo: function(speed,to,callback){ return this.filter(":hidden").css('opacity', 0).show().end() .animate({opacity: to}, speed, callback); },
animate: function( prop, speed, easing, callback ) { var optall = jQuery.speed(speed, easing, callback);
return this[ optall.queue === false ? "each" : "queue" ](function(){
var opt = jQuery.extend({}, optall), p, hidden = this.nodeType == 1 && jQuery(this).is(":hidden"), self = this;
for ( p in prop ) { if ( prop[p] == "hide" && hidden || prop[p] == "show" && !hidden ) return opt.complete.call(this);
if ( ( p == "height" || p == "width" ) && this.style ) { // Store display property opt.display = jQuery.css(this, "display");
// Make sure that nothing sneaks out opt.overflow = this.style.overflow; } }
if ( opt.overflow != null ) this.style.overflow = "hidden";
opt.curAnim = jQuery.extend({}, prop);
jQuery.each( prop, function(name, val){ var e = new jQuery.fx( self, opt, name );
if ( /toggle|show|hide/.test(val) ) e[ val == "toggle" ? hidden ? "show" : "hide" : val ]( prop ); else { var parts = val.toString().match(/^([+-]=)?([\d+-.]+)(.*)$/), start = e.cur(true) || 0;
if ( parts ) { var end = parseFloat(parts[2]), unit = parts[3] || "px";
// We need to compute starting value if ( unit != "px" ) { self.style[ name ] = (end || 1) + unit; start = ((end || 1) / e.cur(true)) * start; self.style[ name ] = start + unit; }
// If a +=/-= token was provided, we're doing a relative animation if ( parts[1] ) end = ((parts[1] == "-=" ? -1 : 1) * end) + start;
e.custom( start, end, unit ); } else e.custom( start, val, "" ); } });
// For JS strict compliance return true; }); },
stop: function(clearQueue, gotoEnd){ var timers = jQuery.timers;
if (clearQueue) this.queue([]);
this.each(function(){ // go in reverse order so anything added to the queue during the loop is ignored for ( var i = timers.length - 1; i >= 0; i-- ) if ( timers[i].elem == this ) { if (gotoEnd) // force the next step to be the last timers[i](true); timers.splice(i, 1); } });
// start the next in the queue if the last step wasn't forced if (!gotoEnd) this.dequeue();
return this; }
});
// Generate shortcuts for custom animations jQuery.each({ slideDown: genFx("show", 1), slideUp: genFx("hide", 1), slideToggle: genFx("toggle", 1), fadeIn: { opacity: "show" }, fadeOut: { opacity: "hide" } }, function( name, props ){ jQuery.fn[ name ] = function( speed, callback ){ return this.animate( props, speed, callback ); }; });
jQuery.extend({
speed: function(speed, easing, fn) { var opt = typeof speed === "object" ? speed : { complete: fn || !fn && easing || jQuery.isFunction( speed ) && speed, duration: speed, easing: fn && easing || easing && !jQuery.isFunction(easing) && easing };
opt.duration = jQuery.fx.off ? 0 : typeof opt.duration === "number" ? opt.duration : jQuery.fx.speeds[opt.duration] || jQuery.fx.speeds._default;
// Queueing opt.old = opt.complete; opt.complete = function(){ if ( opt.queue !== false ) jQuery(this).dequeue(); if ( jQuery.isFunction( opt.old ) ) opt.old.call( this ); };
return opt; },
easing: { linear: function( p, n, firstNum, diff ) { return firstNum + diff * p; }, swing: function( p, n, firstNum, diff ) { return ((-Math.cos(p*Math.PI)/2) + 0.5) * diff + firstNum; } },
timers: [],
fx: function( elem, options, prop ){ this.options = options; this.elem = elem; this.prop = prop;
if ( !options.orig ) options.orig = {}; }
});
jQuery.fx.prototype = {
// Simple function for setting a style value update: function(){ if ( this.options.step ) this.options.step.call( this.elem, this.now, this );
(jQuery.fx.step[this.prop] || jQuery.fx.step._default)( this );
// Set display property to block for height/width animations if ( ( this.prop == "height" || this.prop == "width" ) && this.elem.style ) this.elem.style.display = "block"; },
// Get the current size cur: function(force){ if ( this.elem[this.prop] != null && (!this.elem.style || this.elem.style[this.prop] == null) ) return this.elem[ this.prop ];
var r = parseFloat(jQuery.css(this.elem, this.prop, force)); return r && r > -10000 ? r : parseFloat(jQuery.curCSS(this.elem, this.prop)) || 0; },
// Start an animation from one number to another custom: function(from, to, unit){ this.startTime = now(); this.start = from; this.end = to; this.unit = unit || this.unit || "px"; this.now = this.start; this.pos = this.state = 0;
var self = this; function t(gotoEnd){ return self.step(gotoEnd); }
t.elem = this.elem;
if ( t() && jQuery.timers.push(t) && !timerId ) timerId = setInterval(jQuery.fx.tick, 13); },
// Simple 'show' function show: function(){ // Remember where we started, so that we can go back to it later this.options.orig[this.prop] = jQuery.style( this.elem, this.prop ); this.options.show = true;
// Begin the animation // Make sure that we start at a small width/height to avoid any // flash of content this.custom(this.prop == "width" || this.prop == "height" ? 1 : 0, this.cur());
// Start by showing the element jQuery(this.elem).show(); },
// Simple 'hide' function hide: function(){ // Remember where we started, so that we can go back to it later this.options.orig[this.prop] = jQuery.style( this.elem, this.prop ); this.options.hide = true;
// Begin the animation this.custom(this.cur(), 0); },
// Each step of an animation step: function(gotoEnd){ var t = now();
if ( gotoEnd || t >= this.options.duration + this.startTime ) { this.now = this.end; this.pos = this.state = 1; this.update();
this.options.curAnim[ this.prop ] = true;
var done = true; for ( var i in this.options.curAnim ) if ( this.options.curAnim[i] !== true ) done = false;
if ( done ) { if ( this.options.display != null ) { // Reset the overflow this.elem.style.overflow = this.options.overflow;
// Reset the display this.elem.style.display = this.options.display; if ( jQuery.css(this.elem, "display") == "none" ) this.elem.style.display = "block"; }
// Hide the element if the "hide" operation was done if ( this.options.hide ) jQuery(this.elem).hide();
// Reset the properties, if the item has been hidden or shown if ( this.options.hide || this.options.show ) for ( var p in this.options.curAnim ) jQuery.style(this.elem, p, this.options.orig[p]);
// Execute the complete function this.options.complete.call( this.elem ); }
return false; } else { var n = t - this.startTime; this.state = n / this.options.duration;
// Perform the easing function, defaults to swing this.pos = jQuery.easing[this.options.easing || (jQuery.easing.swing ? "swing" : "linear")](this.state, n, 0, 1, this.options.duration); this.now = this.start + ((this.end - this.start) * this.pos);
// Perform the next step of the animation this.update(); }
return true; }
};
jQuery.extend( jQuery.fx, {
tick:function(){ var timers = jQuery.timers;
for ( var i = 0; i < timers.length; i++ ) if ( !timers[i]() ) timers.splice(i--, 1);
if ( !timers.length ) jQuery.fx.stop(); },
stop:function(){ clearInterval( timerId ); timerId = null; },
speeds:{ slow: 600,
fast: 200, // Default speed _default: 400
},
step: {
opacity: function(fx){ jQuery.style(fx.elem, "opacity", fx.now); },
_default: function(fx){ if ( fx.elem.style && fx.elem.style[ fx.prop ] != null ) fx.elem.style[ fx.prop ] = fx.now + fx.unit; else fx.elem[ fx.prop ] = fx.now; } } }); if ( "getBoundingClientRect" in document.documentElement ) jQuery.fn.offset = function() { var elem = this[0]; if ( !elem || !elem.ownerDocument ) return null; if ( elem === elem.ownerDocument.body ) return jQuery.offset.bodyOffset( elem ); var box = elem.getBoundingClientRect(), doc = elem.ownerDocument, body = doc.body, docElem = doc.documentElement, clientTop = docElem.clientTop || body.clientTop || 0, clientLeft = docElem.clientLeft || body.clientLeft || 0, top = box.top + (self.pageYOffset || jQuery.support.boxModel && docElem.scrollTop || body.scrollTop ) - clientTop, left = box.left + (self.pageXOffset || jQuery.support.boxModel && docElem.scrollLeft || body.scrollLeft) - clientLeft; return { top: top, left: left }; }; else jQuery.fn.offset = function() { var elem = this[0]; if ( !elem || !elem.ownerDocument ) return null; if ( elem === elem.ownerDocument.body ) return jQuery.offset.bodyOffset( elem ); jQuery.offset.initialize();
var offsetParent = elem.offsetParent, prevOffsetParent = elem, doc = elem.ownerDocument, computedStyle, docElem = doc.documentElement, body = doc.body, defaultView = doc.defaultView, prevComputedStyle = defaultView.getComputedStyle(elem, null), top = elem.offsetTop, left = elem.offsetLeft;
while ( (elem = elem.parentNode) && elem !== body && elem !== docElem ) { if ( jQuery.offset.supportsFixedPosition && prevComputedStyle.position === "fixed" ) break; computedStyle = defaultView.getComputedStyle(elem, null); top -= elem.scrollTop, left -= elem.scrollLeft; if ( elem === offsetParent ) { top += elem.offsetTop, left += elem.offsetLeft; if ( jQuery.offset.doesNotAddBorder && !(jQuery.offset.doesAddBorderForTableAndCells && /^t(able|d|h)$/i.test(elem.tagName)) ) top += parseFloat( computedStyle.borderTopWidth ) || 0, left += parseFloat( computedStyle.borderLeftWidth ) || 0; prevOffsetParent = offsetParent, offsetParent = elem.offsetParent; } if ( jQuery.offset.subtractsBorderForOverflowNotVisible && computedStyle.overflow !== "visible" ) top += parseFloat( computedStyle.borderTopWidth ) || 0, left += parseFloat( computedStyle.borderLeftWidth ) || 0; prevComputedStyle = computedStyle; }
if ( prevComputedStyle.position === "relative" || prevComputedStyle.position === "static" ) top += body.offsetTop, left += body.offsetLeft;
if ( jQuery.offset.supportsFixedPosition && prevComputedStyle.position === "fixed" ) top += Math.max( docElem.scrollTop, body.scrollTop ), left += Math.max( docElem.scrollLeft, body.scrollLeft );
return { top: top, left: left }; };
jQuery.offset = { initialize: function() { var body = document.body, container = document.createElement('div'), innerDiv, checkDiv, table, td, bodyMarginTop = parseFloat( jQuery.curCSS(body, 'marginTop', true) ) || 0,
html = 'jQuery.extend( container.style, { position: 'absolute', top: 0, left: 0, margin: 0, border: 0, width: '1px', height: '1px', visibility: 'hidden' } );
container.innerHTML = html; body.insertBefore( container, body.firstChild ); innerDiv = container.firstChild, checkDiv = innerDiv.firstChild, td = innerDiv.nextSibling.firstChild.firstChild;
this.doesNotAddBorder = (checkDiv.offsetTop !== 5); this.doesAddBorderForTableAndCells = (td.offsetTop === 5);
checkDiv.style.position = 'fixed', checkDiv.style.top = '20px'; this.supportsFixedPosition = (checkDiv.offsetTop === 20 || checkDiv.offsetTop === 15); // safari subtracts parent border width here which is 5px checkDiv.style.position = , checkDiv.style.top = ;
innerDiv.style.overflow = 'hidden', innerDiv.style.position = 'relative'; this.subtractsBorderForOverflowNotVisible = (checkDiv.offsetTop === -5);
this.doesNotIncludeMarginInBodyOffset = (body.offsetTop !== bodyMarginTop);
body.removeChild( container ); jQuery.offset.initialize = function(){};
body = container = innerDiv = checkDiv = table = td = null; },
bodyOffset: function(body) { jQuery.offset.initialize(); var top = body.offsetTop, left = body.offsetLeft; if ( jQuery.offset.doesNotIncludeMarginInBodyOffset ) top += parseFloat( jQuery.curCSS(body, 'marginTop', true) ) || 0, left += parseFloat( jQuery.curCSS(body, 'marginLeft', true) ) || 0; return { top: top, left: left }; } };
jQuery.fn.extend({
position: function() {
if ( !this[0] ) return null;
var elem = this[0],
// Get *real* offsetParent offsetParent = this.offsetParent(),
// Get correct offsets offset = this.offset(), parentOffset = /^body|html$/i.test(offsetParent[0].tagName) ? { top: 0, left: 0 } : offsetParent.offset();
// Subtract element margins // note: when an element has margin: auto the offsetLeft and marginLeft // are the same in Safari causing offset.left to incorrectly be 0 offset.top -= parseFloat( jQuery.curCSS(elem, 'marginTop', true) ) || 0; offset.left -= parseFloat( jQuery.curCSS(elem, 'marginLeft', true) ) || 0;
// Add offsetParent borders parentOffset.top += parseFloat( jQuery.curCSS(offsetParent[0], 'borderTopWidth', true) ) || 0; parentOffset.left += parseFloat( jQuery.curCSS(offsetParent[0], 'borderLeftWidth', true) ) || 0;
// Subtract the two offsets return { top: offset.top - parentOffset.top, left: offset.left - parentOffset.left }; },
offsetParent: function() { var offsetParent = this[0].offsetParent || document.body; while ( offsetParent && (!/^body|html$/i.test(offsetParent.tagName) && jQuery.css(offsetParent, 'position') === 'static') ) offsetParent = offsetParent.offsetParent; return jQuery( offsetParent ); } });
// Create scrollLeft and scrollTop methods
jQuery.each( ['Left', 'Top'], function(i, name) {
var method = 'scroll' + name;
jQuery.fn[ method ] = function(val) { if ( !this[0] ) return null;
var elem = this[0], win = ("scrollTo" in elem && elem.document) ? elem : (elem.nodeName === "#document") ? elem.defaultView || elem.parentWindow : false;
return val !== undefined ?
// Set the scroll offset this.each(function() { win = ("scrollTo" in this && this.document) ? this : (this.nodeName === "#document") ? this.defaultView || this.parentWindow : false;
win ? win.scrollTo( !i ? val : jQuery(win).scrollLeft(), i ? val : jQuery(win).scrollTop() ) : this[ method ] = val; }) :
// Return the scroll offset win ? win[ i ? 'pageYOffset' : 'pageXOffset' ] || jQuery.support.boxModel && win.document.documentElement[ method ] || win.document.body[ method ] : elem[ method ]; }; }); // Create innerHeight, innerWidth, outerHeight and outerWidth methods jQuery.each([ "Height", "Width" ], function(i, name){
var type = name.toLowerCase();
// innerHeight and innerWidth jQuery.fn["inner" + name] = function(){ return this[0] ? jQuery.css( this[0], type, false, "padding" ) : null; };
// outerHeight and outerWidth jQuery.fn["outer" + name] = function(margin) { return this[0] ? jQuery.css( this[0], type, false, margin ? "margin" : "border" ) : null; };
jQuery.fn[ type ] = function( size ) { // Get window width or height var elem = this[0]; if ( !elem ) return null; return ("scrollTo" in elem && elem.document) ? // does it walk and quack like a window? // Everyone else use document.documentElement or document.body depending on Quirks vs Standards mode elem.document.compatMode === "CSS1Compat" && elem.document.documentElement[ "client" + name ] || elem.document.body[ "client" + name ] :
// Get document width or height (elem.nodeName === "#document") ? // is it a document // Either scroll[Width/Height] or offset[Width/Height], whichever is greater Math.max( elem.documentElement["client" + name], elem.body["scroll" + name], elem.documentElement["scroll" + name], elem.body["offset" + name], elem.documentElement["offset" + name] ) :
// Get or set width or height on the element size === undefined ? // Get width or height on the element jQuery.css( elem, type ) :
// Set the width or height on the element (default to pixels if value is unitless) this.css( type, typeof size === "string" ? size : size + "px" ); };
});
})(window);