--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jquery-ui/development-bundle/external/qunit.js	Thu Jun 30 09:07:49 2011 +0200
@@ -0,0 +1,1261 @@
+/*
+ * QUnit - A JavaScript Unit Testing Framework
+ * 
+ * http://docs.jquery.com/QUnit
+ *
+ * Copyright (c) 2009 John Resig, Jörn Zaefferer
+ * Dual licensed under the MIT (MIT-LICENSE.txt)
+ * and GPL (GPL-LICENSE.txt) licenses.
+ */
+
+(function(window) {
+
+var QUnit = {
+
+	// call on start of module test to prepend name to all tests
+	module: function(name, testEnvironment) {
+		config.currentModule = name;
+
+		synchronize(function() {
+			if ( config.currentModule ) {
+				QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
+			}
+
+			config.currentModule = name;
+			config.moduleTestEnvironment = testEnvironment;
+			config.moduleStats = { all: 0, bad: 0 };
+
+			QUnit.moduleStart( name, testEnvironment );
+		});
+	},
+
+	asyncTest: function(testName, expected, callback) {
+		if ( arguments.length === 2 ) {
+			callback = expected;
+			expected = 0;
+		}
+
+		QUnit.test(testName, expected, callback, true);
+	},
+	
+	test: function(testName, expected, callback, async) {
+		var name = '<span class="test-name">' + testName + '</span>', testEnvironment, testEnvironmentArg;
+
+		if ( arguments.length === 2 ) {
+			callback = expected;
+			expected = null;
+		}
+		// is 2nd argument a testEnvironment?
+		if ( expected && typeof expected === 'object') {
+			testEnvironmentArg =  expected;
+			expected = null;
+		}
+
+		if ( config.currentModule ) {
+			name = '<span class="module-name">' + config.currentModule + "</span>: " + name;
+		}
+
+		if ( !validTest(config.currentModule + ": " + testName) ) {
+			return;
+		}
+
+		synchronize(function() {
+
+			testEnvironment = extend({
+				setup: function() {},
+				teardown: function() {}
+			}, config.moduleTestEnvironment);
+			if (testEnvironmentArg) {
+				extend(testEnvironment,testEnvironmentArg);
+			}
+
+			QUnit.testStart( testName, testEnvironment );
+
+			// allow utility functions to access the current test environment
+			QUnit.current_testEnvironment = testEnvironment;
+			
+			config.assertions = [];
+			config.expected = expected;
+			
+			var tests = id("qunit-tests");
+			if (tests) {
+				var b = document.createElement("strong");
+					b.innerHTML = "Running " + name;
+				var li = document.createElement("li");
+					li.appendChild( b );
+					li.id = "current-test-output";
+				tests.appendChild( li )
+			}
+
+			try {
+				if ( !config.pollution ) {
+					saveGlobal();
+				}
+
+				testEnvironment.setup.call(testEnvironment);
+			} catch(e) {
+				QUnit.ok( false, "Setup failed on " + name + ": " + e.message );
+			}
+	    });
+	
+	    synchronize(function() {
+			if ( async ) {
+				QUnit.stop();
+			}
+
+			try {
+				callback.call(testEnvironment);
+			} catch(e) {
+				fail("Test " + name + " died, exception and test follows", e, callback);
+				QUnit.ok( false, "Died on test #" + (config.assertions.length + 1) + ": " + e.message );
+				// else next test will carry the responsibility
+				saveGlobal();
+
+				// Restart the tests if they're blocking
+				if ( config.blocking ) {
+					start();
+				}
+			}
+		});
+
+		synchronize(function() {
+			try {
+				checkPollution();
+				testEnvironment.teardown.call(testEnvironment);
+			} catch(e) {
+				QUnit.ok( false, "Teardown failed on " + name + ": " + e.message );
+			}
+	    });
+	
+	    synchronize(function() {
+			try {
+				QUnit.reset();
+			} catch(e) {
+				fail("reset() failed, following Test " + name + ", exception and reset fn follows", e, reset);
+			}
+
+			if ( config.expected && config.expected != config.assertions.length ) {
+				QUnit.ok( false, "Expected " + config.expected + " assertions, but " + config.assertions.length + " were run" );
+			}
+
+			var good = 0, bad = 0,
+				tests = id("qunit-tests");
+
+			config.stats.all += config.assertions.length;
+			config.moduleStats.all += config.assertions.length;
+
+			if ( tests ) {
+				var ol  = document.createElement("ol");
+
+				for ( var i = 0; i < config.assertions.length; i++ ) {
+					var assertion = config.assertions[i];
+
+					var li = document.createElement("li");
+					li.className = assertion.result ? "pass" : "fail";
+					li.innerHTML = assertion.message || "(no message)";
+					ol.appendChild( li );
+
+					if ( assertion.result ) {
+						good++;
+					} else {
+						bad++;
+						config.stats.bad++;
+						config.moduleStats.bad++;
+					}
+				}
+				if (bad == 0) {
+					ol.style.display = "none";
+				}
+
+				var b = document.createElement("strong");
+				b.innerHTML = name + " <b style='color:black;'>(<b class='fail'>" + bad + "</b>, <b class='pass'>" + good + "</b>, " + config.assertions.length + ")</b>";
+				
+				addEvent(b, "click", function() {
+					var next = b.nextSibling, display = next.style.display;
+					next.style.display = display === "none" ? "block" : "none";
+				});
+				
+				addEvent(b, "dblclick", function(e) {
+					var target = e && e.target ? e.target : window.event.srcElement;
+					if ( target.nodeName.toLowerCase() == "span" || target.nodeName.toLowerCase() == "b" ) {
+						target = target.parentNode;
+					}
+					if ( window.location && target.nodeName.toLowerCase() === "strong" ) {
+						window.location.search = "?" + encodeURIComponent(getText([target]).replace(/\(.+\)$/, "").replace(/(^\s*|\s*$)/g, ""));
+					}
+				});
+
+				var li = id("current-test-output");
+				li.id = "";
+				li.className = bad ? "fail" : "pass";
+				li.removeChild( li.firstChild );
+				li.appendChild( b );
+				li.appendChild( ol );
+
+				if ( bad ) {
+					var toolbar = id("qunit-testrunner-toolbar");
+					if ( toolbar ) {
+						toolbar.style.display = "block";
+						id("qunit-filter-pass").disabled = null;
+						id("qunit-filter-missing").disabled = null;
+					}
+				}
+
+			} else {
+				for ( var i = 0; i < config.assertions.length; i++ ) {
+					if ( !config.assertions[i].result ) {
+						bad++;
+						config.stats.bad++;
+						config.moduleStats.bad++;
+					}
+				}
+			}
+
+			QUnit.testDone( testName, bad, config.assertions.length );
+
+			if ( !window.setTimeout && !config.queue.length ) {
+				done();
+			}
+		});
+
+		synchronize( done );
+	},
+	
+	/**
+	 * Specify the number of expected assertions to gurantee that failed test (no assertions are run at all) don't slip through.
+	 */
+	expect: function(asserts) {
+		config.expected = asserts;
+	},
+
+	/**
+	 * Asserts true.
+	 * @example ok( "asdfasdf".length > 5, "There must be at least 5 chars" );
+	 */
+	ok: function(a, msg) {
+		msg = escapeHtml(msg);
+		QUnit.log(a, msg);
+
+		config.assertions.push({
+			result: !!a,
+			message: msg
+		});
+	},
+
+	/**
+	 * Checks that the first two arguments are equal, with an optional message.
+	 * Prints out both actual and expected values.
+	 *
+	 * Prefered to ok( actual == expected, message )
+	 *
+	 * @example equal( format("Received {0} bytes.", 2), "Received 2 bytes." );
+	 *
+	 * @param Object actual
+	 * @param Object expected
+	 * @param String message (optional)
+	 */
+	equal: function(actual, expected, message) {
+		push(expected == actual, actual, expected, message);
+	},
+
+	notEqual: function(actual, expected, message) {
+		push(expected != actual, actual, expected, message);
+	},
+	
+	deepEqual: function(actual, expected, message) {
+		push(QUnit.equiv(actual, expected), actual, expected, message);
+	},
+
+	notDeepEqual: function(actual, expected, message) {
+		push(!QUnit.equiv(actual, expected), actual, expected, message);
+	},
+
+	strictEqual: function(actual, expected, message) {
+		push(expected === actual, actual, expected, message);
+	},
+
+	notStrictEqual: function(actual, expected, message) {
+		push(expected !== actual, actual, expected, message);
+	},
+
+	raises: function(fn,  message) {
+		try {
+			fn();
+			ok( false, message );
+		}
+		catch (e) {
+			ok( true, message );
+		}
+	},
+
+	start: function() {
+		// A slight delay, to avoid any current callbacks
+		if ( window.setTimeout ) {
+			window.setTimeout(function() {
+				if ( config.timeout ) {
+					clearTimeout(config.timeout);
+				}
+
+				config.blocking = false;
+				process();
+			}, 13);
+		} else {
+			config.blocking = false;
+			process();
+		}
+	},
+	
+	stop: function(timeout) {
+		config.blocking = true;
+
+		if ( timeout && window.setTimeout ) {
+			config.timeout = window.setTimeout(function() {
+				QUnit.ok( false, "Test timed out" );
+				QUnit.start();
+			}, timeout);
+		}
+	}
+
+};
+
+// Backwards compatibility, deprecated
+QUnit.equals = QUnit.equal;
+QUnit.same = QUnit.deepEqual;
+
+// Maintain internal state
+var config = {
+	// The queue of tests to run
+	queue: [],
+
+	// block until document ready
+	blocking: true
+};
+
+// Load paramaters
+(function() {
+	var location = window.location || { search: "", protocol: "file:" },
+		GETParams = location.search.slice(1).split('&');
+
+	for ( var i = 0; i < GETParams.length; i++ ) {
+		GETParams[i] = decodeURIComponent( GETParams[i] );
+		if ( GETParams[i] === "noglobals" ) {
+			GETParams.splice( i, 1 );
+			i--;
+			config.noglobals = true;
+		} else if ( GETParams[i].search('=') > -1 ) {
+			GETParams.splice( i, 1 );
+			i--;
+		}
+	}
+	
+	// restrict modules/tests by get parameters
+	config.filters = GETParams;
+	
+	// Figure out if we're running the tests from a server or not
+	QUnit.isLocal = !!(location.protocol === 'file:');
+})();
+
+// Expose the API as global variables, unless an 'exports'
+// object exists, in that case we assume we're in CommonJS
+if ( typeof exports === "undefined" || typeof require === "undefined" ) {
+	extend(window, QUnit);
+	window.QUnit = QUnit;
+} else {
+	extend(exports, QUnit);
+	exports.QUnit = QUnit;
+}
+
+// define these after exposing globals to keep them in these QUnit namespace only
+extend(QUnit, {
+	config: config,
+
+	// Initialize the configuration options
+	init: function() {
+		extend(config, {
+			stats: { all: 0, bad: 0 },
+			moduleStats: { all: 0, bad: 0 },
+			started: +new Date,
+			updateRate: 1000,
+			blocking: false,
+			autostart: true,
+			autorun: false,
+			assertions: [],
+			filters: [],
+			queue: []
+		});
+
+		var tests = id("qunit-tests"),
+			banner = id("qunit-banner"),
+			result = id("qunit-testresult");
+
+		if ( tests ) {
+			tests.innerHTML = "";
+		}
+
+		if ( banner ) {
+			banner.className = "";
+		}
+
+		if ( result ) {
+			result.parentNode.removeChild( result );
+		}
+	},
+	
+	/**
+	 * Resets the test setup. Useful for tests that modify the DOM.
+	 */
+	reset: function() {
+		if ( window.jQuery ) {
+			jQuery("#main, #qunit-fixture").html( config.fixture );
+		}
+	},
+	
+	/**
+	 * Trigger an event on an element.
+	 *
+	 * @example triggerEvent( document.body, "click" );
+	 *
+	 * @param DOMElement elem
+	 * @param String type
+	 */
+	triggerEvent: function( elem, type, event ) {
+		if ( document.createEvent ) {
+			event = document.createEvent("MouseEvents");
+			event.initMouseEvent(type, true, true, elem.ownerDocument.defaultView,
+				0, 0, 0, 0, 0, false, false, false, false, 0, null);
+			elem.dispatchEvent( event );
+
+		} else if ( elem.fireEvent ) {
+			elem.fireEvent("on"+type);
+		}
+	},
+	
+	// Safe object type checking
+	is: function( type, obj ) {
+		return QUnit.objectType( obj ) == type;
+	},
+	
+	objectType: function( obj ) {
+		if (typeof obj === "undefined") {
+				return "undefined";
+
+		// consider: typeof null === object
+		}
+		if (obj === null) {
+				return "null";
+		}
+
+		var type = Object.prototype.toString.call( obj )
+			.match(/^\[object\s(.*)\]$/)[1] || '';
+
+		switch (type) {
+				case 'Number':
+						if (isNaN(obj)) {
+								return "nan";
+						} else {
+								return "number";
+						}
+				case 'String':
+				case 'Boolean':
+				case 'Array':
+				case 'Date':
+				case 'RegExp':
+				case 'Function':
+						return type.toLowerCase();
+		}
+		if (typeof obj === "object") {
+				return "object";
+		}
+		return undefined;
+	},
+	
+	// Logging callbacks
+	begin: function() {},
+	done: function(failures, total) {},
+	log: function(result, message) {},
+	testStart: function(name, testEnvironment) {},
+	testDone: function(name, failures, total) {},
+	moduleStart: function(name, testEnvironment) {},
+	moduleDone: function(name, failures, total) {}
+});
+
+if ( typeof document === "undefined" || document.readyState === "complete" ) {
+	config.autorun = true;
+}
+
+addEvent(window, "load", function() {
+	QUnit.begin();
+	
+	// Initialize the config, saving the execution queue
+	var oldconfig = extend({}, config);
+	QUnit.init();
+	extend(config, oldconfig);
+
+	config.blocking = false;
+
+	var userAgent = id("qunit-userAgent");
+	if ( userAgent ) {
+		userAgent.innerHTML = navigator.userAgent;
+	}
+	var banner = id("qunit-header");
+	if ( banner ) {
+		banner.innerHTML = '<a href="' + location.href + '">' + banner.innerHTML + '</a>'; 
+	}
+	
+	var toolbar = id("qunit-testrunner-toolbar");
+	if ( toolbar ) {
+		toolbar.style.display = "none";
+		
+		var filter = document.createElement("input");
+		filter.type = "checkbox";
+		filter.id = "qunit-filter-pass";
+		filter.disabled = true;
+		addEvent( filter, "click", function() {
+			var li = document.getElementsByTagName("li");
+			for ( var i = 0; i < li.length; i++ ) {
+				if ( li[i].className.indexOf("pass") > -1 ) {
+					li[i].style.display = filter.checked ? "none" : "";
+				}
+			}
+		});
+		toolbar.appendChild( filter );
+
+		var label = document.createElement("label");
+		label.setAttribute("for", "qunit-filter-pass");
+		label.innerHTML = "Hide passed tests";
+		toolbar.appendChild( label );
+
+		var missing = document.createElement("input");
+		missing.type = "checkbox";
+		missing.id = "qunit-filter-missing";
+		missing.disabled = true;
+		addEvent( missing, "click", function() {
+			var li = document.getElementsByTagName("li");
+			for ( var i = 0; i < li.length; i++ ) {
+				if ( li[i].className.indexOf("fail") > -1 && li[i].innerHTML.indexOf('missing test - untested code is broken code') > - 1 ) {
+					li[i].parentNode.parentNode.style.display = missing.checked ? "none" : "block";
+				}
+			}
+		});
+		toolbar.appendChild( missing );
+
+		label = document.createElement("label");
+		label.setAttribute("for", "qunit-filter-missing");
+		label.innerHTML = "Hide missing tests (untested code is broken code)";
+		toolbar.appendChild( label );
+	}
+
+	var main = id('main') || id('qunit-fixture');
+	if ( main ) {
+		config.fixture = main.innerHTML;
+	}
+
+	if (config.autostart) {
+		QUnit.start();
+	}
+});
+
+function done() {
+	if ( config.doneTimer && window.clearTimeout ) {
+		window.clearTimeout( config.doneTimer );
+		config.doneTimer = null;
+	}
+
+	if ( config.queue.length ) {
+		config.doneTimer = window.setTimeout(function(){
+			if ( !config.queue.length ) {
+				done();
+			} else {
+				synchronize( done );
+			}
+		}, 13);
+
+		return;
+	}
+
+	config.autorun = true;
+
+	// Log the last module results
+	if ( config.currentModule ) {
+		QUnit.moduleDone( config.currentModule, config.moduleStats.bad, config.moduleStats.all );
+	}
+
+	var banner = id("qunit-banner"),
+		tests = id("qunit-tests"),
+		html = ['Tests completed in ',
+		+new Date - config.started, ' milliseconds.<br/>',
+		'<span class="passed">', config.stats.all - config.stats.bad, '</span> tests of <span class="total">', config.stats.all, '</span> passed, <span class="failed">', config.stats.bad,'</span> failed.'].join('');
+
+	if ( banner ) {
+		banner.className = (config.stats.bad ? "qunit-fail" : "qunit-pass");
+	}
+
+	if ( tests ) {	
+		var result = id("qunit-testresult");
+
+		if ( !result ) {
+			result = document.createElement("p");
+			result.id = "qunit-testresult";
+			result.className = "result";
+			tests.parentNode.insertBefore( result, tests.nextSibling );
+		}
+
+		result.innerHTML = html;
+	}
+
+	QUnit.done( config.stats.bad, config.stats.all );
+}
+
+function validTest( name ) {
+	var i = config.filters.length,
+		run = false;
+
+	if ( !i ) {
+		return true;
+	}
+	
+	while ( i-- ) {
+		var filter = config.filters[i],
+			not = filter.charAt(0) == '!';
+
+		if ( not ) {
+			filter = filter.slice(1);
+		}
+
+		if ( name.indexOf(filter) !== -1 ) {
+			return !not;
+		}
+
+		if ( not ) {
+			run = true;
+		}
+	}
+
+	return run;
+}
+
+function escapeHtml(s) {
+	s = s === null ? "" : s + "";
+	return s.replace(/[\&"<>\\]/g, function(s) {
+		switch(s) {
+			case "&": return "&amp;";
+			case "\\": return "\\\\";
+			case '"': return '\"';
+			case "<": return "&lt;";
+			case ">": return "&gt;";
+			default: return s;
+		}
+	});
+}
+
+function push(result, actual, expected, message) {
+	message = escapeHtml(message) || (result ? "okay" : "failed");
+	message = '<span class="test-message">' + message + "</span>";
+	expected = escapeHtml(QUnit.jsDump.parse(expected));
+	actual = escapeHtml(QUnit.jsDump.parse(actual));
+	var output = message + ', expected: <span class="test-expected">' + expected + '</span>';
+	if (actual != expected) {
+		output += ' result: <span class="test-actual">' + actual + '</span>, diff: ' + QUnit.diff(expected, actual);
+	}
+	
+	// can't use ok, as that would double-escape messages
+	QUnit.log(result, output);
+	config.assertions.push({
+		result: !!result,
+		message: output
+	});
+}
+
+function synchronize( callback ) {
+	config.queue.push( callback );
+
+	if ( config.autorun && !config.blocking ) {
+		process();
+	}
+}
+
+function process() {
+	var start = (new Date()).getTime();
+
+	while ( config.queue.length && !config.blocking ) {
+		if ( config.updateRate <= 0 || (((new Date()).getTime() - start) < config.updateRate) ) {
+			config.queue.shift()();
+
+		} else {
+			setTimeout( process, 13 );
+			break;
+		}
+	}
+}
+
+function saveGlobal() {
+	config.pollution = [];
+	
+	if ( config.noglobals ) {
+		for ( var key in window ) {
+			config.pollution.push( key );
+		}
+	}
+}
+
+function checkPollution( name ) {
+	var old = config.pollution;
+	saveGlobal();
+	
+	var newGlobals = diff( old, config.pollution );
+	if ( newGlobals.length > 0 ) {
+		ok( false, "Introduced global variable(s): " + newGlobals.join(", ") );
+		config.expected++;
+	}
+
+	var deletedGlobals = diff( config.pollution, old );
+	if ( deletedGlobals.length > 0 ) {
+		ok( false, "Deleted global variable(s): " + deletedGlobals.join(", ") );
+		config.expected++;
+	}
+}
+
+// returns a new Array with the elements that are in a but not in b
+function diff( a, b ) {
+	var result = a.slice();
+	for ( var i = 0; i < result.length; i++ ) {
+		for ( var j = 0; j < b.length; j++ ) {
+			if ( result[i] === b[j] ) {
+				result.splice(i, 1);
+				i--;
+				break;
+			}
+		}
+	}
+	return result;
+}
+
+function fail(message, exception, callback) {
+	if ( typeof console !== "undefined" && console.error && console.warn ) {
+		console.error(message);
+		console.error(exception);
+		console.warn(callback.toString());
+
+	} else if ( window.opera && opera.postError ) {
+		opera.postError(message, exception, callback.toString);
+	}
+}
+
+function extend(a, b) {
+	for ( var prop in b ) {
+		a[prop] = b[prop];
+	}
+
+	return a;
+}
+
+function addEvent(elem, type, fn) {
+	if ( elem.addEventListener ) {
+		elem.addEventListener( type, fn, false );
+	} else if ( elem.attachEvent ) {
+		elem.attachEvent( "on" + type, fn );
+	} else {
+		fn();
+	}
+}
+
+function id(name) {
+	return !!(typeof document !== "undefined" && document && document.getElementById) &&
+		document.getElementById( name );
+}
+
+// Test for equality any JavaScript type.
+// Discussions and reference: http://philrathe.com/articles/equiv
+// Test suites: http://philrathe.com/tests/equiv
+// Author: Philippe Rathé <prathe@gmail.com>
+QUnit.equiv = function () {
+
+    var innerEquiv; // the real equiv function
+    var callers = []; // stack to decide between skip/abort functions
+    var parents = []; // stack to avoiding loops from circular referencing
+
+    // Call the o related callback with the given arguments.
+    function bindCallbacks(o, callbacks, args) {
+        var prop = QUnit.objectType(o);
+        if (prop) {
+            if (QUnit.objectType(callbacks[prop]) === "function") {
+                return callbacks[prop].apply(callbacks, args);
+            } else {
+                return callbacks[prop]; // or undefined
+            }
+        }
+    }
+    
+    var callbacks = function () {
+
+        // for string, boolean, number and null
+        function useStrictEquality(b, a) {
+            if (b instanceof a.constructor || a instanceof b.constructor) {
+                // to catch short annotaion VS 'new' annotation of a declaration
+                // e.g. var i = 1;
+                //      var j = new Number(1);
+                return a == b;
+            } else {
+                return a === b;
+            }
+        }
+
+        return {
+            "string": useStrictEquality,
+            "boolean": useStrictEquality,
+            "number": useStrictEquality,
+            "null": useStrictEquality,
+            "undefined": useStrictEquality,
+
+            "nan": function (b) {
+                return isNaN(b);
+            },
+
+            "date": function (b, a) {
+                return QUnit.objectType(b) === "date" && a.valueOf() === b.valueOf();
+            },
+
+            "regexp": function (b, a) {
+                return QUnit.objectType(b) === "regexp" &&
+                    a.source === b.source && // the regex itself
+                    a.global === b.global && // and its modifers (gmi) ...
+                    a.ignoreCase === b.ignoreCase &&
+                    a.multiline === b.multiline;
+            },
+
+            // - skip when the property is a method of an instance (OOP)
+            // - abort otherwise,
+            //   initial === would have catch identical references anyway
+            "function": function () {
+                var caller = callers[callers.length - 1];
+                return caller !== Object &&
+                        typeof caller !== "undefined";
+            },
+
+            "array": function (b, a) {
+                var i, j, loop;
+                var len;
+
+                // b could be an object literal here
+                if ( ! (QUnit.objectType(b) === "array")) {
+                    return false;
+                }   
+                
+                len = a.length;
+                if (len !== b.length) { // safe and faster
+                    return false;
+                }
+                
+                //track reference to avoid circular references
+                parents.push(a);
+                for (i = 0; i < len; i++) {
+                    loop = false;
+                    for(j=0;j<parents.length;j++){
+                        if(parents[j] === a[i]){
+                            loop = true;//dont rewalk array
+                        }
+                    }
+                    if (!loop && ! innerEquiv(a[i], b[i])) {
+                        parents.pop();
+                        return false;
+                    }
+                }
+                parents.pop();
+                return true;
+            },
+
+            "object": function (b, a) {
+                var i, j, loop;
+                var eq = true; // unless we can proove it
+                var aProperties = [], bProperties = []; // collection of strings
+
+                // comparing constructors is more strict than using instanceof
+                if ( a.constructor !== b.constructor) {
+                    return false;
+                }
+
+                // stack constructor before traversing properties
+                callers.push(a.constructor);
+                //track reference to avoid circular references
+                parents.push(a);
+                
+                for (i in a) { // be strict: don't ensures hasOwnProperty and go deep
+                    loop = false;
+                    for(j=0;j<parents.length;j++){
+                        if(parents[j] === a[i])
+                            loop = true; //don't go down the same path twice
+                    }
+                    aProperties.push(i); // collect a's properties
+
+                    if (!loop && ! innerEquiv(a[i], b[i])) {
+                        eq = false;
+                        break;
+                    }
+                }
+
+                callers.pop(); // unstack, we are done
+                parents.pop();
+
+                for (i in b) {
+                    bProperties.push(i); // collect b's properties
+                }
+
+                // Ensures identical properties name
+                return eq && innerEquiv(aProperties.sort(), bProperties.sort());
+            }
+        };
+    }();
+
+    innerEquiv = function () { // can take multiple arguments
+        var args = Array.prototype.slice.apply(arguments);
+        if (args.length < 2) {
+            return true; // end transition
+        }
+
+        return (function (a, b) {
+            if (a === b) {
+                return true; // catch the most you can
+            } else if (a === null || b === null || typeof a === "undefined" || typeof b === "undefined" || QUnit.objectType(a) !== QUnit.objectType(b)) {
+                return false; // don't lose time with error prone cases
+            } else {
+                return bindCallbacks(a, callbacks, [b, a]);
+            }
+
+        // apply transition with (1..n) arguments
+        })(args[0], args[1]) && arguments.callee.apply(this, args.splice(1, args.length -1));
+    };
+
+    return innerEquiv;
+
+}();
+
+/**
+ * jsDump
+ * Copyright (c) 2008 Ariel Flesler - aflesler(at)gmail(dot)com | http://flesler.blogspot.com
+ * Licensed under BSD (http://www.opensource.org/licenses/bsd-license.php)
+ * Date: 5/15/2008
+ * @projectDescription Advanced and extensible data dumping for Javascript.
+ * @version 1.0.0
+ * @author Ariel Flesler
+ * @link {http://flesler.blogspot.com/2008/05/jsdump-pretty-dump-of-any-javascript.html}
+ */
+QUnit.jsDump = (function() {
+	function quote( str ) {
+		return '"' + str.toString().replace(/"/g, '\\"') + '"';
+	};
+	function literal( o ) {
+		return o + '';	
+	};
+	function join( pre, arr, post ) {
+		var s = jsDump.separator(),
+			base = jsDump.indent(),
+			inner = jsDump.indent(1);
+		if ( arr.join )
+			arr = arr.join( ',' + s + inner );
+		if ( !arr )
+			return pre + post;
+		return [ pre, inner + arr, base + post ].join(s);
+	};
+	function array( arr ) {
+		var i = arr.length,	ret = Array(i);					
+		this.up();
+		while ( i-- )
+			ret[i] = this.parse( arr[i] );				
+		this.down();
+		return join( '[', ret, ']' );
+	};
+	
+	var reName = /^function (\w+)/;
+	
+	var jsDump = {
+		parse:function( obj, type ) { //type is used mostly internally, you can fix a (custom)type in advance
+			var	parser = this.parsers[ type || this.typeOf(obj) ];
+			type = typeof parser;			
+			
+			return type == 'function' ? parser.call( this, obj ) :
+				   type == 'string' ? parser :
+				   this.parsers.error;
+		},
+		typeOf:function( obj ) {
+			var type;
+			if ( obj === null ) {
+				type = "null";
+			} else if (typeof obj === "undefined") {
+				type = "undefined";
+			} else if (QUnit.is("RegExp", obj)) {
+				type = "regexp";
+			} else if (QUnit.is("Date", obj)) {
+				type = "date";
+			} else if (QUnit.is("Function", obj)) {
+				type = "function";
+			} else if (obj.setInterval && obj.document && !obj.nodeType) {
+				type = "window";
+			} else if (obj.nodeType === 9) {
+				type = "document";
+			} else if (obj.nodeType) {
+				type = "node";
+			} else if (typeof obj === "object" && typeof obj.length === "number" && obj.length >= 0) {
+				type = "array";
+			} else {
+				type = typeof obj;
+			}
+			return type;
+		},
+		separator:function() {
+			return this.multiline ?	this.HTML ? '<br />' : '\n' : this.HTML ? '&nbsp;' : ' ';
+		},
+		indent:function( extra ) {// extra can be a number, shortcut for increasing-calling-decreasing
+			if ( !this.multiline )
+				return '';
+			var chr = this.indentChar;
+			if ( this.HTML )
+				chr = chr.replace(/\t/g,'   ').replace(/ /g,'&nbsp;');
+			return Array( this._depth_ + (extra||0) ).join(chr);
+		},
+		up:function( a ) {
+			this._depth_ += a || 1;
+		},
+		down:function( a ) {
+			this._depth_ -= a || 1;
+		},
+		setParser:function( name, parser ) {
+			this.parsers[name] = parser;
+		},
+		// The next 3 are exposed so you can use them
+		quote:quote, 
+		literal:literal,
+		join:join,
+		//
+		_depth_: 1,
+		// This is the list of parsers, to modify them, use jsDump.setParser
+		parsers:{
+			window: '[Window]',
+			document: '[Document]',
+			error:'[ERROR]', //when no parser is found, shouldn't happen
+			unknown: '[Unknown]',
+			'null':'null',
+			undefined:'undefined',
+			'function':function( fn ) {
+				var ret = 'function',
+					name = 'name' in fn ? fn.name : (reName.exec(fn)||[])[1];//functions never have name in IE
+				if ( name )
+					ret += ' ' + name;
+				ret += '(';
+				
+				ret = [ ret, this.parse( fn, 'functionArgs' ), '){'].join('');
+				return join( ret, this.parse(fn,'functionCode'), '}' );
+			},
+			array: array,
+			nodelist: array,
+			arguments: array,
+			object:function( map ) {
+				var ret = [ ];
+				this.up();
+				for ( var key in map )
+					ret.push( this.parse(key,'key') + ': ' + this.parse(map[key]) );
+				this.down();
+				return join( '{', ret, '}' );
+			},
+			node:function( node ) {
+				var open = this.HTML ? '&lt;' : '<',
+					close = this.HTML ? '&gt;' : '>';
+					
+				var tag = node.nodeName.toLowerCase(),
+					ret = open + tag;
+					
+				for ( var a in this.DOMAttrs ) {
+					var val = node[this.DOMAttrs[a]];
+					if ( val )
+						ret += ' ' + a + '=' + this.parse( val, 'attribute' );
+				}
+				return ret + close + open + '/' + tag + close;
+			},
+			functionArgs:function( fn ) {//function calls it internally, it's the arguments part of the function
+				var l = fn.length;
+				if ( !l ) return '';				
+				
+				var args = Array(l);
+				while ( l-- )
+					args[l] = String.fromCharCode(97+l);//97 is 'a'
+				return ' ' + args.join(', ') + ' ';
+			},
+			key:quote, //object calls it internally, the key part of an item in a map
+			functionCode:'[code]', //function calls it internally, it's the content of the function
+			attribute:quote, //node calls it internally, it's an html attribute value
+			string:quote,
+			date:quote,
+			regexp:literal, //regex
+			number:literal,
+			'boolean':literal
+		},
+		DOMAttrs:{//attributes to dump from nodes, name=>realName
+			id:'id',
+			name:'name',
+			'class':'className'
+		},
+		HTML:false,//if true, entities are escaped ( <, >, \t, space and \n )
+		indentChar:'   ',//indentation unit
+		multiline:false //if true, items in a collection, are separated by a \n, else just a space.
+	};
+
+	return jsDump;
+})();
+
+// from Sizzle.js
+function getText( elems ) {
+	var ret = "", elem;
+
+	for ( var i = 0; elems[i]; i++ ) {
+		elem = elems[i];
+
+		// Get the text from text nodes and CDATA nodes
+		if ( elem.nodeType === 3 || elem.nodeType === 4 ) {
+			ret += elem.nodeValue;
+
+		// Traverse everything else, except comment nodes
+		} else if ( elem.nodeType !== 8 ) {
+			ret += getText( elem.childNodes );
+		}
+	}
+
+	return ret;
+};
+
+/*
+ * Javascript Diff Algorithm
+ *  By John Resig (http://ejohn.org/)
+ *  Modified by Chu Alan "sprite"
+ *
+ * Released under the MIT license.
+ *
+ * More Info:
+ *  http://ejohn.org/projects/javascript-diff-algorithm/
+ *  
+ * Usage: QUnit.diff(expected, actual)
+ * 
+ * QUnit.diff("the quick brown fox jumped over", "the quick fox jumps over") == "the  quick <del>brown </del> fox <del>jumped </del><ins>jumps </ins> over"
+ */
+QUnit.diff = (function() {
+	function diff(o, n){
+		var ns = new Object();
+		var os = new Object();
+		
+		for (var i = 0; i < n.length; i++) {
+			if (ns[n[i]] == null) 
+				ns[n[i]] = {
+					rows: new Array(),
+					o: null
+				};
+			ns[n[i]].rows.push(i);
+		}
+		
+		for (var i = 0; i < o.length; i++) {
+			if (os[o[i]] == null) 
+				os[o[i]] = {
+					rows: new Array(),
+					n: null
+				};
+			os[o[i]].rows.push(i);
+		}
+		
+		for (var i in ns) {
+			if (ns[i].rows.length == 1 && typeof(os[i]) != "undefined" && os[i].rows.length == 1) {
+				n[ns[i].rows[0]] = {
+					text: n[ns[i].rows[0]],
+					row: os[i].rows[0]
+				};
+				o[os[i].rows[0]] = {
+					text: o[os[i].rows[0]],
+					row: ns[i].rows[0]
+				};
+			}
+		}
+		
+		for (var i = 0; i < n.length - 1; i++) {
+			if (n[i].text != null && n[i + 1].text == null && n[i].row + 1 < o.length && o[n[i].row + 1].text == null &&
+			n[i + 1] == o[n[i].row + 1]) {
+				n[i + 1] = {
+					text: n[i + 1],
+					row: n[i].row + 1
+				};
+				o[n[i].row + 1] = {
+					text: o[n[i].row + 1],
+					row: i + 1
+				};
+			}
+		}
+		
+		for (var i = n.length - 1; i > 0; i--) {
+			if (n[i].text != null && n[i - 1].text == null && n[i].row > 0 && o[n[i].row - 1].text == null &&
+			n[i - 1] == o[n[i].row - 1]) {
+				n[i - 1] = {
+					text: n[i - 1],
+					row: n[i].row - 1
+				};
+				o[n[i].row - 1] = {
+					text: o[n[i].row - 1],
+					row: i - 1
+				};
+			}
+		}
+		
+		return {
+			o: o,
+			n: n
+		};
+	}
+	
+	return function(o, n){
+		o = o.replace(/\s+$/, '');
+		n = n.replace(/\s+$/, '');
+		var out = diff(o == "" ? [] : o.split(/\s+/), n == "" ? [] : n.split(/\s+/));
+
+		var str = "";
+		
+		var oSpace = o.match(/\s+/g);
+		if (oSpace == null) {
+			oSpace = [" "];
+		}
+		else {
+			oSpace.push(" ");
+		}
+		var nSpace = n.match(/\s+/g);
+		if (nSpace == null) {
+			nSpace = [" "];
+		}
+		else {
+			nSpace.push(" ");
+		}
+		
+		if (out.n.length == 0) {
+			for (var i = 0; i < out.o.length; i++) {
+				str += '<del>' + out.o[i] + oSpace[i] + "</del>";
+			}
+		}
+		else {
+			if (out.n[0].text == null) {
+				for (n = 0; n < out.o.length && out.o[n].text == null; n++) {
+					str += '<del>' + out.o[n] + oSpace[n] + "</del>";
+				}
+			}
+			
+			for (var i = 0; i < out.n.length; i++) {
+				if (out.n[i].text == null) {
+					str += '<ins>' + out.n[i] + nSpace[i] + "</ins>";
+				}
+				else {
+					var pre = "";
+					
+					for (n = out.n[i].row + 1; n < out.o.length && out.o[n].text == null; n++) {
+						pre += '<del>' + out.o[n] + oSpace[n] + "</del>";
+					}
+					str += " " + out.n[i].text + nSpace[i] + pre;
+				}
+			}
+		}
+		
+		return str;
+	}
+})();
+
+})(this);