X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;f=src%2Fajax%2Fajax.js;h=ffe30481d37e956024115124454c52801b82f9eb;hb=f96bf1041553775a94c1034c97e253e350217173;hp=4d6dc6faade708120e027efb1e053a02fc61075d;hpb=93c1340d5504264584d8837b87c1b58dc8a8ac50;p=jquery.git

diff --git a/src/ajax/ajax.js b/src/ajax/ajax.js
index 4d6dc6f..ffe3048 100644
--- a/src/ajax/ajax.js
+++ b/src/ajax/ajax.js
@@ -1,86 +1,23 @@
 jQuery.fn.extend({
-
-	/**
-	 * Load HTML from a remote file and inject it into the DOM, only if it's
-	 * been modified by the server.
-	 *
-	 * @example $("#feeds").loadIfModified("feeds.html")
-	 * @before <div id="feeds"></div>
-	 * @result <div id="feeds"><b>45</b> feeds found.</div>
-	 *
-	 * @name loadIfModified
-	 * @type jQuery
-	 * @param String url The URL of the HTML file to load.
-	 * @param Hash params A set of key/value pairs that will be sent to the server.
-	 * @param Function callback A function to be executed whenever the data is loaded.
-	 * @cat AJAX
-	 */
-	loadIfModified: function( url, params, callback ) {
-		this.load( url, params, callback, 1 );
-	},
-
-	/**
-	 * Load HTML from a remote file and inject it into the DOM.
-	 *
-	 * @example $("#feeds").load("feeds.html")
-	 * @before <div id="feeds"></div>
-	 * @result <div id="feeds"><b>45</b> feeds found.</div>
-	 *
- 	 * @example $("#feeds").load("feeds.html",
- 	 *   {test: true},
- 	 *   function() { alert("load is done"); }
- 	 * );
-	 * @desc Same as above, but with an additional parameter
-	 * and a callback that is executed when the data was loaded.
-	 *
-	 * @test stop();
-	 * $('#first').load("data/name.php", function() {
-	 * 	ok( $('#first').text() == 'ERROR', 'Check if content was injected into the DOM' );
-	 * 	start();
-	 * });
-	 *
-	 * @test stop(); // check if load can be called with only url
-	 * $('#first').load("data/name.php");
-	 * $.get("data/name.php", function() {
-	 *   ok( $('#first').text() == 'ERROR', 'Check if load works without callback');
-	 *   start();
-	 * });
-	 *
-	 * @test stop();
-	 * window.foobar = undefined;
-	 * window.foo = undefined;
-	 * var verifyEvaluation = function() {
-	 *   ok( foobar == "bar", 'Check if script src was evaluated after load' );
-	 *   ok( $('#foo').html() == 'foo', 'Check if script evaluation has modified DOM');
-	 *   ok( $('#ap').html() == 'bar', 'Check if script evaluation has modified DOM');
-	 *   start();
-	 * };
-	 * $('#first').load('data/test.html', function() {
-	 *   ok( $('#first').html().match(/^html text/), 'Check content after loading html' );
-	 *   ok( foo == "foo", 'Check if script was evaluated after load' );
-	 *   setTimeout(verifyEvaluation, 600);
-	 * });
-	 *
-	 * @name load
-	 * @type jQuery
-	 * @param String url The URL of the HTML file to load.
-	 * @param Object params A set of key/value pairs that will be sent as data to the server.
-	 * @param Function callback A function to be executed whenever the data is loaded (parameters: responseText, status and reponse itself).
-	 * @cat AJAX
-	 */
-	load: function( url, params, callback, ifModified ) {
-		if ( url.constructor == Function )
+	load: function( url, params, callback ) {
+		if ( jQuery.isFunction( url ) )
 			return this.bind("load", url);
 
+		var off = url.indexOf(" ");
+		if ( off >= 0 ) {
+			var selector = url.slice(off, url.length);
+			url = url.slice(0, off);
+		}
+
 		callback = callback || function(){};
 
 		// Default to a GET request
 		var type = "GET";
 
 		// If the second parameter was provided
-		if ( params ) {
+		if ( params )
 			// If it's a function
-			if ( params.constructor == Function ) {
+			if ( jQuery.isFunction( params ) ) {
 				// We assume that it's the callback
 				callback = params;
 				params = null;
@@ -90,7 +27,6 @@ jQuery.fn.extend({
 				params = jQuery.param( params );
 				type = "POST";
 			}
-		}
 
 		var self = this;
 
@@ -99,418 +35,95 @@ jQuery.fn.extend({
 			url: url,
 			type: type,
 			data: params,
-			ifModified: ifModified,
 			complete: function(res, status){
-				if ( status == "success" || !ifModified && status == "notmodified" ) {
-					// Inject the HTML into all the matched elements
-					self.html(res.responseText)
-					  // Execute all the scripts inside of the newly-injected HTML
-					  .evalScripts()
-					  // Execute callback
-					  .each( callback, [res.responseText, status, res] );
-				} else
-					callback.apply( self, [res.responseText, status, res] );
+				// 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 );
+
+				// Add delay to account for Safari's delay in globalEval
+				setTimeout(function(){
+					self.each( callback, [res.responseText, status, res] );
+				}, 13);
 			}
 		});
 		return this;
 	},
 
-	/**
-	 * Serializes a set of input elements into a string of data.
-	 * This will serialize all given elements. If you need
-	 * serialization similar to the form submit of a browser,
-	 * you should use the form plugin. This is also true for
-	 * selects with multiple attribute set, only a single option
-	 * is serialized.
-	 *
-	 * @example $("input[@type=text]").serialize();
-	 * @before <input type='text' name='name' value='John'/>
-	 * <input type='text' name='location' value='Boston'/>
-	 * @after name=John&location=Boston
-	 * @desc Serialize a selection of input elements to a string
-	 *
-	 * @test var data = $(':input').not('button').serialize();
-	 * // ignore button, IE takes text content as value, not relevant for this test
-	 * ok( data == 'action=Test&text2=Test&radio1=on&radio2=on&check=on&=on&hidden=&foo[bar]=&name=name&=foobar&select1=&select2=3&select3=1', 'Check form serialization as query string' );
-	 *
-	 * @name serialize
-	 * @type String
-	 * @cat AJAX
-	 */
 	serialize: function() {
-		return jQuery.param( this );
+		return jQuery.param(this.serializeArray());
 	},
-
-	/**
-	 * Evaluate all script tags inside this jQuery. If they have a src attribute,
-	 * the script is loaded, otherwise it's content is evaluated.
-	 *
-	 * @name evalScripts
-	 * @type jQuery
-	 * @private
-	 * @cat AJAX
-	 */
-	evalScripts: function() {
-		return this.find('script').each(function(){
-			if ( this.src )
-				// for some weird reason, it doesn't work if the callback is ommited
-				jQuery.getScript( this.src, function() {} );
-			else
-				eval.call( window, this.text || this.textContent || this.innerHTML || "" );
-		}).end();
-	}
-
+
	serializeArray: function() {
+		return this.map(function(){
+			return jQuery.nodeName(this, "form") ?
+				jQuery.makeArray(this.elements) : this;
+		})
+		.filter(function(){
+			return this.name && !this.disabled && 
+				(this.checked || /select|textarea/i.test(this.nodeName) || 
+					/text|hidden|password/i.test(this.type));
+		})
+		.map(function(i, elem){
			var val = jQuery(this).val();
+			return val == null ? null :
+				val.constructor == Array ?
+					jQuery.map( val, function(i, val){
						return {name: elem.name, value: val};
+					}) :
+					{name: elem.name, value: val};
+		}).get();
	}
 });
 
-// If IE is used, create a wrapper for the XMLHttpRequest object
-if ( jQuery.browser.msie && typeof XMLHttpRequest == "undefined" )
-	XMLHttpRequest = function(){
-		return new ActiveXObject(
-			navigator.userAgent.indexOf("MSIE 5") >= 0 ?
-			"Microsoft.XMLHTTP" : "Msxml2.XMLHTTP"
-		);
-	};
-
 // Attach a bunch of functions for handling common AJAX events
-
-/**
- * Attach a function to be executed whenever an AJAX request begins.
- *
- * @example $("#loading").ajaxStart(function(){
- *   $(this).show();
- * });
- * @desc Show a loading message whenever an AJAX request starts.
- *
- * @name ajaxStart
- * @type jQuery
- * @param Function callback The function to execute.
- * @cat AJAX
- */
-
-/**
- * Attach a function to be executed whenever all AJAX requests have ended.
- *
- * @example $("#loading").ajaxStop(function(){
- *   $(this).hide();
- * });
- * @desc Hide a loading message after all the AJAX requests have stopped.
- *
- * @name ajaxStop
- * @type jQuery
- * @param Function callback The function to execute.
- * @cat AJAX
- */
-
-/**
- * Attach a function to be executed whenever an AJAX request completes.
- *
- * @example $("#msg").ajaxComplete(function(){
- *   $(this).append("<li>Request Complete.</li>");
- * });
- * @desc Show a message when an AJAX request completes.
- *
- * @name ajaxComplete
- * @type jQuery
- * @param Function callback The function to execute.
- * @cat AJAX
- */
-
-/**
- * Attach a function to be executed whenever an AJAX request completes
- * successfully.
- *
- * @example $("#msg").ajaxSuccess(function(){
- *   $(this).append("<li>Successful Request!</li>");
- * });
- * @desc Show a message when an AJAX request completes successfully.
- *
- * @name ajaxSuccess
- * @type jQuery
- * @param Function callback The function to execute.
- * @cat AJAX
- */
-
-/**
- * Attach a function to be executed whenever an AJAX request fails.
- *
- * @example $("#msg").ajaxError(function(){
- *   $(this).append("<li>Error requesting page.</li>");
- * });
- * @desc Show a message when an AJAX request fails.
- *
- * @name ajaxError
- * @type jQuery
- * @param Function callback The function to execute.
- * @cat AJAX
- */
-
-/**
- * @test stop(); var counter = { complete: 0, success: 0, error: 0 };
- * var success = function() { counter.success++ };
- * var error = function() { counter.error++ };
- * var complete = function() { counter.complete++ };
- * $('#foo').ajaxStart(complete).ajaxStop(complete).ajaxComplete(complete).ajaxError(error).ajaxSuccess(success);
- * // start with successful test
- * $.ajax({url: "data/name.php", success: success, error: error, complete: function() {
- *   ok( counter.error == 0, 'Check succesful request' );
- *   ok( counter.success == 2, 'Check succesful request' );
- *   ok( counter.complete == 3, 'Check succesful request' );
- *   counter.error = 0; counter.success = 0; counter.complete = 0;
- *   $.ajaxTimeout(500);
- *   $.ajax({url: "data/name.php?wait=5", success: success, error: error, complete: function() {
- *     ok( counter.error == 2, 'Check failed request' );
- *     ok( counter.success == 0, 'Check failed request' );
- *     ok( counter.complete == 3, 'Check failed request' );
- *     start();
- *   }});
- * }});
-
- * @test stop(); var counter = { complete: 0, success: 0, error: 0 };
- * counter.error = 0; counter.success = 0; counter.complete = 0;
- * var success = function() { counter.success++ };
- * var error = function() { counter.error++ };
- * $.ajaxTimeout(0);
- * $.ajax({url: "data/name.php", global: false, success: success, error: error, complete: function() {
- *   ok( counter.error == 0, 'Check sucesful request without globals' );
- *   ok( counter.success == 1, 'Check sucesful request without globals' );
- *   ok( counter.complete == 0, 'Check sucesful request without globals' );
- *   counter.error = 0; counter.success = 0; counter.complete = 0;
- *   $.ajaxTimeout(500);
- *   $.ajax({url: "data/name.php?wait=5", global: false, success: success, error: error, complete: function() {
- *      ok( counter.error == 1, 'Check failed request without globals' );
- *      ok( counter.success == 0, 'Check failed request without globals' );
- *      ok( counter.complete == 0, 'Check failed request without globals' );
- *      start();
- *   }});
- * }});
- *
- * @name ajaxHandlersTesting
- * @private
- */
-
-
-new function(){
-	var e = "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess".split(",");
-
-	for ( var i = 0; i < e.length; i++ ) new function(){
-		var o = e[i];
-		jQuery.fn[o] = function(f){
-			return this.bind(o, f);
-		};
+jQuery.each( "ajaxStart,ajaxStop,ajaxComplete,ajaxError,ajaxSuccess,ajaxSend".split(","), function(i,o){
+	jQuery.fn[o] = function(f){
+		return this.bind(o, f);
 	};
-};
+});
 
-jQuery.extend({
+var jsc = (new Date).getTime();
 
-	/**
-	 * Load a remote page using an HTTP GET request. All of the arguments to
-	 * the method (except URL) are optional.
-	 *
-	 * @example $.get("test.cgi")
-	 *
-	 * @example $.get("test.cgi", { name: "John", time: "2pm" } )
-	 *
-	 * @example $.get("test.cgi", function(data){
-	 *   alert("Data Loaded: " + data);
-	 * })
-	 *
-	 * @example $.get("test.cgi",
-	 *   { name: "John", time: "2pm" },
-	 *   function(data){
-	 *     alert("Data Loaded: " + data);
-	 *   }
-	 * )
-	 *
-	 * @test stop();
-	 * $.get('data/dashboard.xml', function(xml) {
-	 * 	var content = [];
-	 * 	$('tab', xml).each(function() {
-	 * 		content.push($(this).text());
-	 * 	});
-	 * 	ok( content[0] == 'blabla', 'Check first tab');
-	 * 	ok( content[1] == 'blublu', 'Check second tab');
-	 * 	start();
-	 * });
-	 *
-	 * @name $.get
-	 * @type undefined
-	 * @param String url The URL of the page to load.
-	 * @param Hash params A set of key/value pairs that will be sent to the server.
-	 * @param Function callback A function to be executed whenever the data is loaded.
-	 * @cat AJAX
-	 */
-	get: function( url, data, callback, type, ifModified ) {
+jQuery.extend({
+	get: function( url, data, callback, type ) {
 		// shift arguments if data argument was ommited
-		if ( data && data.constructor == Function ) {
-			type = callback;
+		if ( jQuery.isFunction( data ) ) {
 			callback = data;
 			data = null;
 		}
-
-		// Delegate
-		jQuery.ajax({
+		
+		return jQuery.ajax({
+			type: "GET",
 			url: url,
 			data: data,
 			success: callback,
-			dataType: type,
-			ifModified: ifModified
+			dataType: type
 		});
 	},
 
-	/**
-	 * Load a remote page using an HTTP GET request, only if it hasn't
-	 * been modified since it was last retrieved. All of the arguments to
-	 * the method (except URL) are optional.
-	 *
-	 * @example $.getIfModified("test.html")
-	 *
-	 * @example $.getIfModified("test.html", { name: "John", time: "2pm" } )
-	 *
-	 * @example $.getIfModified("test.cgi", function(data){
-	 *   alert("Data Loaded: " + data);
-	 * })
-	 *
-	 * @example $.getifModified("test.cgi",
-	 *   { name: "John", time: "2pm" },
-	 *   function(data){
-	 *     alert("Data Loaded: " + data);
-	 *   }
-	 * )
-	 *
-	 * @test stop();
-	 * $.getIfModified("data/name.php", function(msg) {
-	 *     ok( msg == 'ERROR', 'Check ifModified' );
-	 *     start();
-	 * });
-	 *
-	 * @name $.getIfModified
-	 * @type undefined
-	 * @param String url The URL of the page to load.
-	 * @param Hash params A set of key/value pairs that will be sent to the server.
-	 * @param Function callback A function to be executed whenever the data is loaded.
-	 * @cat AJAX
-	 */
-	getIfModified: function( url, data, callback, type ) {
-		jQuery.get(url, data, callback, type, 1);
-	},
-
-	/**
-	 * Loads, and executes, a remote JavaScript file using an HTTP GET request.
-	 * All of the arguments to the method (except URL) are optional.
-	 *
-	 * @example $.getScript("test.js")
-	 *
-	 * @example $.getScript("test.js", function(){
-	 *   alert("Script loaded and executed.");
-	 * })
-	 *
-	 * @test stop();
-	 * $.getScript("data/test.js", function() {
-	 * 	ok( foobar == "bar", 'Check if script was evaluated' );
-	 * 	start();
-	 * });
-	 *
-	 * @test
-	 * $.getScript("data/test.js");
-	 * ok( true, "Check with single argument, can't verify" );
-	 *
-	 * @name $.getScript
-	 * @type undefined
-	 * @param String url The URL of the page to load.
-	 * @param Function callback A function to be executed whenever the data is loaded.
-	 * @cat AJAX
-	 */
 	getScript: function( url, callback ) {
-		if(callback)
-			jQuery.get(url, null, callback, "script");
-		else {
-			jQuery.get(url, null, null, "script");
-		}
+		return jQuery.get(url, null, callback, "script");
 	},
 
-	/**
-	 * Load a remote JSON object using an HTTP GET request.
-	 * All of the arguments to the method (except URL) are optional.
-	 *
-	 * @example $.getJSON("test.js", function(json){
-	 *   alert("JSON Data: " + json.users[3].name);
-	 * })
-	 *
-	 * @example $.getJSON("test.js",
-	 *   { name: "John", time: "2pm" },
-	 *   function(json){
-	 *     alert("JSON Data: " + json.users[3].name);
-	 *   }
-	 * )
-	 *
-	 * @test stop();
-	 * $.getJSON("data/json.php", {json: "array"}, function(json) {
-	 *   ok( json[0].name == 'John', 'Check JSON: first, name' );
-	 *   ok( json[0].age == 21, 'Check JSON: first, age' );
-	 *   ok( json[1].name == 'Peter', 'Check JSON: second, name' );
-	 *   ok( json[1].age == 25, 'Check JSON: second, age' );
-	 *   start();
-	 * });
-	 * @test stop();
-	 * $.getJSON("data/json.php", function(json) {
-	 *   ok( json.data.lang == 'en', 'Check JSON: lang' );
-	 *   ok( json.data.length == 25, 'Check JSON: length' );
-	 *   start();
-	 * });
-	 *
-	 * @name $.getJSON
-	 * @type undefined
-	 * @param String url The URL of the page to load.
-	 * @param Hash params A set of key/value pairs that will be sent to the server.
-	 * @param Function callback A function to be executed whenever the data is loaded.
-	 * @cat AJAX
-	 */
 	getJSON: function( url, data, callback ) {
-		if(callback)
-			jQuery.get(url, data, callback, "json");
-		else {
-			jQuery.get(url, data, "json");
-		}
+		return jQuery.get(url, data, callback, "json");
 	},
 
-	/**
-	 * Load a remote page using an HTTP POST request. All of the arguments to
-	 * the method (except URL) are optional.
-	 *
-	 * @example $.post("test.cgi")
-	 *
-	 * @example $.post("test.cgi", { name: "John", time: "2pm" } )
-	 *
-	 * @example $.post("test.cgi", function(data){
-	 *   alert("Data Loaded: " + data);
-	 * })
-	 *
-	 * @example $.post("test.cgi",
-	 *   { name: "John", time: "2pm" },
-	 *   function(data){
-	 *     alert("Data Loaded: " + data);
-	 *   }
-	 * )
-	 *
-	 * @test stop();
-	 * $.post("data/name.php", {xml: "5-2"}, function(xml){
-	 *   $('math', xml).each(function() {
-	 * 	    ok( $('calculation', this).text() == '5-2', 'Check for XML' );
-	 * 	    ok( $('result', this).text() == '3', 'Check for XML' );
-	 * 	 });
-	 *   start();
-	 * });
-	 *
-	 * @name $.post
-	 * @type undefined
-	 * @param String url The URL of the page to load.
-	 * @param Hash params A set of key/value pairs that will be sent to the server.
-	 * @param Function callback A function to be executed whenever the data is loaded.
-	 * @cat AJAX
-	 */
 	post: function( url, data, callback, type ) {
-		// Delegate
-		jQuery.ajax({
+		if ( jQuery.isFunction( data ) ) {
+			callback = data;
+			data = {};
+		}
+
+		return jQuery.ajax({
 			type: "POST",
 			url: url,
 			data: data,
@@ -519,225 +132,125 @@ jQuery.extend({
 		});
 	},
 
-	// timeout (ms)
-	timeout: 0,
-
-	/**
-	 * Set the timeout of all AJAX requests to a specific amount of time.
-	 * This will make all future AJAX requests timeout after a specified amount
-	 * of time (the default is no timeout).
-	 *
-	 * @example $.ajaxTimeout( 5000 );
-	 * @desc Make all AJAX requests timeout after 5 seconds.
-	 *
-	 * @test stop();
-	 * var passed = 0;
-	 * var timeout;
-	 * $.ajaxTimeout(1000);
-	 * var pass = function() {
-	 * 	passed++;
-	 * 	if(passed == 2) {
-	 * 		ok( true, 'Check local and global callbacks after timeout' );
-	 * 		clearTimeout(timeout);
-	 *      $('#main').unbind("ajaxError");
-	 * 		start();
-	 * 	}
-	 * };
-	 * var fail = function() {
-	 * 	ok( false, 'Check for timeout failed' );
-	 * 	start();
-	 * };
-	 * timeout = setTimeout(fail, 1500);
-	 * $('#main').ajaxError(pass);
-	 * $.ajax({
-	 *   type: "GET",
-	 *   url: "data/name.php?wait=5",
-	 *   error: pass,
-	 *   success: fail
-	 * });
-	 *
-	 * @test stop(); $.ajaxTimeout(50);
-	 * $.ajax({
-	 *   type: "GET",
-	 *   timeout: 5000,
-	 *   url: "data/name.php?wait=1",
-	 *   error: function() {
-	 * 	   ok( false, 'Check for local timeout failed' );
-	 * 	   start();
-	 *   },
-	 *   success: function() {
-	 *     ok( true, 'Check for local timeout' );
-	 *     start();
-	 *   }
-	 * });
-	 * // reset timeout
-	 * $.ajaxTimeout(0);
-	 *
-	 *
-	 * @name $.ajaxTimeout
-	 * @type undefined
-	 * @param Number time How long before an AJAX request times out.
-	 * @cat AJAX
-	 */
-	ajaxTimeout: function(timeout) {
-		jQuery.timeout = timeout;
+	ajaxSetup: function( settings ) {
+		jQuery.extend( jQuery.ajaxSettings, settings );
 	},
 
+	ajaxSettings: {
+		global: true,
+		type: "GET",
+		timeout: 0,
+		contentType: "application/x-www-form-urlencoded",
+		processData: true,
+		async: true,
+		data: null
+	},
+	
 	// Last-Modified header cache for next request
 	lastModified: {},
 
-	/**
-	 * Load a remote page using an HTTP request. This function is the primary
-	 * means of making AJAX requests using jQuery. $.ajax() takes one property,
-	 * an object of key/value pairs, that're are used to initalize the request.
-	 *
-	 * These are all the key/values that can be passed in to 'prop':
-	 *
-	 * (String) type - The type of request to make (e.g. "POST" or "GET").
-	 *
-	 * (String) url - The URL of the page to request.
-	 *
-	 * (String) data - Data to be sent to the server. If converted to a query
-	 * string, if not already a string. Is appended to the url for GET-requests. 
-	 *
-	 * (String) dataType - The type of data that you're expecting back from
-	 * the server (e.g. "xml", "html", "script", or "json").
-	 *
-	 * (Boolean) ifModified - Allow the request to be successful only if the
-	 * response has changed since the last request, default is false, ignoring
-	 * the Last-Modified header
-	 *
-	 * (Number) timeout - Local timeout to override global timeout, eg. to give a
-	 * single request a longer timeout while all others timeout after 1 seconds,
-	 * see $.ajaxTimeout
-	 *
-	 * (Boolean) global - Wheather to trigger global AJAX event handlers for
-	 * this request, default is true. Set to true to prevent that global handlers
-	 * like ajaxStart or ajaxStop are triggered.
-	 *
-	 * (Function) error - A function to be called if the request fails. The
-	 * function gets passed two arguments: The XMLHttpRequest object and a
-	 * string describing the type of error that occurred.
-	 *
-	 * (Function) success - A function to be called if the request succeeds. The
-	 * function gets passed one argument: The data returned from the server,
-	 * formatted according to the 'dataType' parameter.
-	 *
-	 * (Function) complete - A function to be called when the request finishes. The
-	 * function gets passed two arguments: The XMLHttpRequest object and a
-	 * string describing the type the success of the request.
-	 *
-	 * @example $.ajax({
-	 *   type: "GET",
-	 *   url: "test.js",
-	 *   dataType: "script"
-	 * })
-	 * @desc Load and execute a JavaScript file.
-	 *
-	 * @example $.ajax({
-	 *   type: "POST",
-	 *   url: "some.php",
-	 *   data: "name=John&location=Boston",
-	 *   success: function(msg){
-	 *     alert( "Data Saved: " + msg );
-	 *   }
-	 * });
-	 * @desc Save some data to the server and notify the user once its complete.
-	 *
-	 * @test stop();
-	 * $.ajax({
-	 *   type: "GET",
-	 *   url: "data/name.php?name=foo",
-	 *   success: function(msg){
-	 *     ok( msg == 'bar', 'Check for GET' );
-	 *     start();
-	 *   }
-	 * });
-	 *
-	 * @test stop();
-	 * $.ajax({
-	 *   type: "POST",
-	 *   url: "data/name.php",
-	 *   data: "name=peter",
-	 *   success: function(msg){
-	 *     ok( msg == 'pan', 'Check for POST' );
-	 *     start();
-	 *   }
-	 * });
-	 *
-	 * @test stop();
-	 * window.foobar = undefined;
-	 * window.foo = undefined;
-	 * var verifyEvaluation = function() {
-	 *   ok( foobar == "bar", 'Check if script src was evaluated for datatype html' );
-	 *   start();
-	 * };
-	 * $.ajax({
-	 *   dataType: "html",
-	 *   url: "data/test.html",
-	 *   success: function(data) {
-	 *     ok( data.match(/^html text/), 'Check content for datatype html' );
-	 *     ok( foo == "foo", 'Check if script was evaluated for datatype html' );
-	 *     setTimeout(verifyEvaluation, 600);
-	 *   }
-	 * });
-	 *
-	 * @test stop();
-	 * $.ajax({
-	 *   url: "data/with_fries.xml", dataType: "xml", type: "GET", data: "", success: function(resp) {
-	 *     ok( $("properties", resp).length == 1, 'properties in responseXML' );
-	 *     ok( $("jsconf", resp).length == 1, 'jsconf in responseXML' );
-	 *     ok( $("thing", resp).length == 2, 'things in responseXML' );
-	 *     start();
-	 *   }
-	 * });
-	 *
-	 * @name $.ajax
-	 * @type undefined
-	 * @param Hash prop A set of properties to initialize the request with.
-	 * @cat AJAX
-	 */
 	ajax: function( s ) {
-		// TODO introduce global settings, allowing the client to modify them for all requests, not only timeout
-		s = jQuery.extend({
-			global: true,
-			ifModified: false,
-			type: "GET",
-			timeout: jQuery.timeout,
-			complete: null,
-			success: null,
-			error: null,
-			dataType: null,
-			data: null,
-			url: null,
-		}, s);
-
-		// if data available
-		if ( s.data ) {
-			// convert data if not already a string
-			if (typeof s.data != 'string')
-    			s.data = jQuery.param(s.data)
-			// append data to url for get requests
-			if( s.type.toLowerCase() == "get" )
-				// "?" + data or "&" + data (in case there are already params)
-				s.url += ((s.url.indexOf("?") > -1) ? "&" : "?") + s.data;
+		var jsonp, jsre = /=(\?|%3F)/g, status, data;
+
+		// 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));
+
+		// convert data if not already a string
+		if ( s.data && s.processData && typeof s.data != "string" )
+			s.data = jQuery.param(s.data);
+
+		// Break the data into one single string
+		var q = s.url.indexOf("?");
+		if ( q > -1 ) {
+			s.data = (s.data ? s.data + "&" : "") + s.url.slice(q + 1);
+			s.url = s.url.slice(0, q);
+		}
+
+		// Handle JSONP Parameter Callbacks
+		if ( s.dataType == "jsonp" ) {
+			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) ) {
+			jsonp = "jsonp" + jsc++;
+			s.data = s.data.replace(jsre, "=" + jsonp);
+
+			// 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();
+				// Garbage collect
+				window[ jsonp ] = undefined;
+				try{ delete window[ jsonp ]; } catch(e){}
+			};
+		}
+
+		if ( s.dataType == "script" && s.cache == null )
+			s.cache = false;
+
+		if ( s.cache === false && s.type.toLowerCase() == "get" )
+			s.data = (s.data ? s.data + "&" : "") + "_=" + (new Date()).getTime();
+
+		// If data is available, append data to url for get requests
+		if ( s.data && s.type.toLowerCase() == "get" ) {
+			s.url += "?" + s.data;
+
+			// IE likes to send both get and post data, prevent this
+			s.data = null;
 		}
 
 		// Watch for a new set of requests
 		if ( s.global && ! jQuery.active++ )
 			jQuery.event.trigger( "ajaxStart" );
 
+		// If we're requesting a remote document
+		// and trying to load JSON or Script
+		if ( !s.url.indexOf("http") && s.dataType == "script" ) {
+			var script = document.createElement("script");
+			script.src = s.url;
+
+			// Handle Script loading
+			if ( !jsonp && (s.success || s.complete) ) {
+				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();
+						document.body.removeChild( script );
+					}
+				};
+			}
+
+			document.body.appendChild(script);
+
+			// We handle everything using the script element injection
+			return;
+		}
+
 		var requestDone = false;
 
-		// Create the request object
-		var xml = new XMLHttpRequest();
+		// Create the request object; Microsoft failed to properly
+		// implement the XMLHttpRequest in IE7, so we use the ActiveXObject when it is available
+		var xml = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
 
 		// Open the socket
-		xml.open(s.type, s.url, true);
+		xml.open(s.type, s.url, s.async);
 
 		// Set the correct header, if data is being sent
 		if ( s.data )
-			xml.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
+			xml.setRequestHeader("Content-Type", s.contentType);
 
 		// Set the If-Modified-Since header, if ifModified mode.
 		if ( s.ifModified )
@@ -747,102 +260,147 @@ jQuery.extend({
 		// Set header so the called script knows that it's an XMLHttpRequest
 		xml.setRequestHeader("X-Requested-With", "XMLHttpRequest");
 
-		// Make sure the browser sends the right content length
-		if ( xml.overrideMimeType )
-			xml.setRequestHeader("Connection", "close");
+		// Allow custom headers/mimetypes
+		if ( s.beforeSend )
+			s.beforeSend(xml);
+			
+		if ( s.global )
+		    jQuery.event.trigger("ajaxSend", [xml, s]);
 
 		// Wait for a response to come back
 		var onreadystatechange = function(isTimeout){
 			// The transfer is complete and the data is available, or the request timed out
-			if ( xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
+			if ( !requestDone && xml && (xml.readyState == 4 || isTimeout == "timeout") ) {
 				requestDone = true;
-
-				var status = jQuery.httpSuccess( xml ) && isTimeout != "timeout" ?
-					s.ifModified && jQuery.httpNotModified( xml, s.url ) ? "notmodified" : "success" : "error";
+				
+				// clear poll interval
+				if (ival) {
+					clearInterval(ival);
+					ival = null;
+				}
+				
+				status = isTimeout == "timeout" && "timeout" ||
+					!jQuery.httpSuccess( xml ) && "error" ||
+					s.ifModified && jQuery.httpNotModified( xml, 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( xml, s.dataType );
+					} catch(e) {
+						status = "parsererror";
+					}
+				}
 
 				// Make sure that the request was successful or notmodified
-				if ( status != "error" ) {
+				if ( status == "success" ) {
 					// Cache Last-Modified header, if ifModified mode.
 					var modRes;
 					try {
 						modRes = xml.getResponseHeader("Last-Modified");
 					} catch(e) {} // swallow exception thrown by FF if header is not available
-
+	
 					if ( s.ifModified && modRes )
 						jQuery.lastModified[s.url] = modRes;
 
-					// If a local callback was specified, fire it
-					if ( s.success )
-						s.success( jQuery.httpData( xml, s.dataType ), status );
-
-					// Fire the global callback
-					if( s.global )
-						jQuery.event.trigger( "ajaxSuccess" );
-
-				// Otherwise, the request was not successful
-				} else {
-					// If a local callback was specified, fire it
-					if ( s.error ) s.error( xml, status );
-
-					// Fire the global callback
-					if( s.global )
-						jQuery.event.trigger( "ajaxError" );
-				}
-
-				// The request was completed
-				if( s.global )
-					jQuery.event.trigger( "ajaxComplete" );
-
-				// Handle the global AJAX counter
-				if ( s.global && ! --jQuery.active )
-					jQuery.event.trigger( "ajaxStop" );
+					// JSONP handles its own success callback
+					if ( !jsonp )
+						success();	
+				} else
+					jQuery.handleError(s, xml, status);
 
-				// Process result
-				if ( s.complete ) s.complete(xml, status);
+				// Fire the complete handlers
+				complete();
 
 				// Stop memory leaks
-				xml.onreadystatechange = function(){};
-				xml = null;
-
+				if ( s.async )
+					xml = null;
 			}
 		};
-		xml.onreadystatechange = onreadystatechange;
+		
+		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 ( xml ) {
+						// Cancel the request
+						xml.abort();
+	
+						if( !requestDone )
+							onreadystatechange( "timeout" );
+					}
+				}, s.timeout);
+		}
+			
+		// Send the data
+		try {
+			xml.send(s.data);
+		} catch(e) {
+			jQuery.handleError(s, xml, null, e);
+		}
+		
+		// firefox 1.5 doesn't fire statechange for sync requests
+		if ( !s.async )
+			onreadystatechange();
+		
+		// return XMLHttpRequest to allow aborting the request etc.
+		return xml;
+
+		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", [xml, s] );
+		}
 
-		// Timeout checker
-		if(s.timeout > 0)
-			setTimeout(function(){
-				// Check to see if the request is still happening
-				if (xml) {
-					// Cancel the request
-					xml.abort();
+		function complete(){
+			// Process result
+			if ( s.complete )
+				s.complete(xml, status);
 
-					if ( !requestDone ) onreadystatechange( "timeout" );
+			// The request was completed
+			if ( s.global )
+				jQuery.event.trigger( "ajaxComplete", [xml, s] );
 
-					// Clear from memory
-					xml = null;
-				}
-			}, s.timeout);
+			// Handle the global AJAX counter
+			if ( s.global && ! --jQuery.active )
+				jQuery.event.trigger( "ajaxStop" );
+		}
+	},
 
-		// Send the data
-		xml.send(s.data);
+	handleError: function( s, xml, status, e ) {
+		// If a local callback was specified, fire it
+		if ( s.error ) s.error( xml, status, e );
+
+		// Fire the global callback
+		if ( s.global )
+			jQuery.event.trigger( "ajaxError", [xml, s, e] );
 	},
 
 	// Counter for holding the number of active queries
 	active: 0,
 
 	// Determines if an XMLHttpRequest was successful or not
-	httpSuccess: function(r) {
+	httpSuccess: function( r ) {
 		try {
 			return !r.status && location.protocol == "file:" ||
 				( r.status >= 200 && r.status < 300 ) || r.status == 304 ||
 				jQuery.browser.safari && r.status == undefined;
 		} catch(e){}
-
 		return false;
 	},
 
 	// Determines if an XMLHttpRequest returns NotModified
-	httpNotModified: function(xml, url) {
+	httpNotModified: function( xml, url ) {
 		try {
 			var xmlRes = xml.getResponseHeader("Last-Modified");
 
@@ -850,54 +408,55 @@ jQuery.extend({
 			return xml.status == 304 || xmlRes == jQuery.lastModified[url] ||
 				jQuery.browser.safari && xml.status == undefined;
 		} catch(e){}
-
 		return false;
 	},
 
-	/* Get the data out of an XMLHttpRequest.
-	 * Return parsed XML if content-type header is "xml" and type is "xml" or omitted,
-	 * otherwise return plain text.
-	 * (String) data - The type of data that you're expecting back,
-	 * (e.g. "xml", "html", "script")
-	 */
-	httpData: function(r,type) {
+	httpData: function( r, type ) {
 		var ct = r.getResponseHeader("content-type");
-		var data = !type && ct && ct.indexOf("xml") >= 0;
-		data = type == "xml" || data ? r.responseXML : r.responseText;
+		var xml = type == "xml" || !type && ct && ct.indexOf("xml") >= 0;
+		var data = xml ? r.responseXML : r.responseText;
 
-		// If the type is "script", eval it
-		if ( type == "script" ) eval.call( window, data );
+		if ( xml && data.documentElement.tagName == "parsererror" )
+			throw "parsererror";
 
-		// Get the JavaScript object, if JSON is used.
-		if ( type == "json" ) eval( "data = " + data );
+		// If the type is "script", eval it in global context
+		if ( type == "script" )
+			jQuery.globalEval( data );
 
-		// evaluate scripts within html
-		if ( type == "html" ) jQuery("<div>").html(data).evalScripts();
+		// Get the JavaScript object, if JSON is used.
+		if ( type == "json" )
+			data = eval("(" + data + ")");
 
 		return data;
 	},
 
 	// Serialize an array of form elements or a set of
 	// key/values into a query string
-	param: function(a) {
+	param: function( a ) {
 		var s = [];
 
 		// If an array was passed in, assume that it is an array
 		// of form elements
-		if ( a.constructor == Array || a.jquery ) {
+		if ( a.constructor == Array || a.jquery )
 			// Serialize the form elements
-			for ( var i = 0; i < a.length; i++ )
-				s.push( a[i].name + "=" + encodeURIComponent( a[i].value ) );
+			jQuery.each( a, function(){
+				s.push( encodeURIComponent(this.name) + "=" + encodeURIComponent( this.value ) );
+			});
 
 		// Otherwise, assume that it's an object of key/value pairs
-		} else {
+		else
 			// Serialize the key/values
 			for ( var j in a )
-				s.push( j + "=" + encodeURIComponent( a[j] ) );
-		}
+				// If the value is an array then the key names need to be repeated
+				if ( a[j] && a[j].constructor == Array )
+					jQuery.each( a[j], function(){
+						s.push( encodeURIComponent(j) + "=" + encodeURIComponent( this ) );
+					});
+				else
+					s.push( encodeURIComponent(j) + "=" + encodeURIComponent( a[j] ) );
 
 		// Return the resulting serialization
-		return s.join("&");
+		return s.join("&").replace(/%20/g, "+");
 	}
 
 });