Calender Code "Javascript code that must be at js/lib" named prototype.js

/* Prototype JavaScript framework, version 1.5.0_rc1
* (c) 2005 Sam Stephenson
*
* Prototype is freely distributable under the terms of an MIT-style license.
* For details, see the Prototype web site: http://prototype.conio.net/
*
/*--------------------------------------------------------------------------*/

var Prototype = {
Version: '1.5.0_rc1',
BrowserFeatures: {
XPath: !!document.evaluate
},

ScriptFragment: '(?:)((\n|\r|.)*?)(?:<\/script>)', emptyFunction: function() {}, K: function(x) { return x }}var Class = { create: function() { return function() { this.initialize.apply(this, arguments); } }}var Abstract = new Object();Object.extend = function(destination, source) { for (var property in source) { destination[property] = source[property]; } return destination;}Object.extend(Object, { inspect: function(object) { try { if (object === undefined) return 'undefined'; if (object === null) return 'null'; return object.inspect ? object.inspect() : object.toString(); } catch (e) { if (e instanceof RangeError) return '...'; throw e; } }, keys: function(object) { var keys = []; for (var property in object) keys.push(property); return keys; }, values: function(object) { var values = []; for (var property in object) values.push(object[property]); return values; }, clone: function(object) { return Object.extend({}, object); }});Function.prototype.bind = function() { var __method = this, args = $A(arguments), object = args.shift(); return function() { return __method.apply(object, args.concat($A(arguments))); }}Function.prototype.bindAsEventListener = function(object) { var __method = this, args = $A(arguments), object = args.shift(); return function(event) { return __method.apply(object, [( event || window.event)].concat(args).concat($A(arguments))); }}Object.extend(Number.prototype, { toColorPart: function() { var digits = this.toString(16); if (this < 16) return '0' + digits; return digits; }, succ: function() { return this + 1; }, times: function(iterator) { $R(0, this, true).each(iterator); return this; }});var Try = { these: function() { var returnValue; for (var i = 0; i < arguments.length; i++) { var lambda = arguments[i]; try { returnValue = lambda(); break; } catch (e) {} } return returnValue; }}/*--------------------------------------------------------------------------*/var PeriodicalExecuter = Class.create();PeriodicalExecuter.prototype = { initialize: function(callback, frequency) { this.callback = callback; this.frequency = frequency; this.currentlyExecuting = false; this.registerCallback(); }, registerCallback: function() { this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); }, stop: function() { if (!this.timer) return; clearInterval(this.timer); this.timer = null; }, onTimerEvent: function() { if (!this.currentlyExecuting) { try { this.currentlyExecuting = true; this.callback(this); } finally { this.currentlyExecuting = false; } } }}Object.extend(String.prototype, { gsub: function(pattern, replacement) { var result = '', source = this, match; replacement = arguments.callee.prepareReplacement(replacement); while (source.length > 0) { if (match = source.match(pattern)) { result += source.slice(0, match.index); result += (replacement(match) || '').toString(); source = source.slice(match.index + match[0].length); } else { result += source, source = ''; } } return result; }, sub: function(pattern, replacement, count) { replacement = this.gsub.prepareReplacement(replacement); count = count === undefined ? 1 : count; return this.gsub(pattern, function(match) { if (--count < 0) return match[0]; return replacement(match); }); }, scan: function(pattern, iterator) { this.gsub(pattern, iterator); return this; }, truncate: function(length, truncation) { length = length || 30; truncation = truncation === undefined ? '...' : truncation; return this.length > length ? this.slice(0, length - truncation.length) + truncation : this; }, strip: function() { return this.replace(/^\s+/, '').replace(/\s+$/, ''); }, stripTags: function() { return this.replace(/<\/?[^>]+>/gi, ''); }, stripScripts: function() { return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), ''); }, extractScripts: function() { var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); var matchOne = new RegExp(Prototype.ScriptFragment, 'im'); return (this.match(matchAll) || []).map(function(scriptTag) { return (scriptTag.match(matchOne) || ['', ''])[1]; }); }, evalScripts: function() { return this.extractScripts().map(function(script) { return eval(script) }); }, escapeHTML: function() { var div = document.createElement('div'); var text = document.createTextNode(this); div.appendChild(text); return div.innerHTML; }, unescapeHTML: function() { var div = document.createElement('div'); div.innerHTML = this.stripTags(); return div.childNodes[0] ? div.childNodes[0].nodeValue : ''; }, toQueryParams: function() { var match = this.strip().match(/[^?]*$/)[0]; if (!match) return {}; var pairs = match.split('&'); return pairs.inject({}, function(params, pairString) { var pair = pairString.split('='); var value = pair[1] ? decodeURIComponent(pair[1]) : undefined; params[decodeURIComponent(pair[0])] = value; return params; }); }, toArray: function() { return this.split(''); }, camelize: function() { var oStringList = this.split('-'); if (oStringList.length == 1) return oStringList[0]; var camelizedString = this.indexOf('-') == 0 ? oStringList[0].charAt(0).toUpperCase() + oStringList[0].substring(1) : oStringList[0]; for (var i = 1, length = oStringList.length; i < length; i++) { var s = oStringList[i]; camelizedString += s.charAt(0).toUpperCase() + s.substring(1); } return camelizedString; }, inspect: function(useDoubleQuotes) { var escapedString = this.replace(/\\/g, '\\\\'); if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"'; else return "'" + escapedString.replace(/'/g, '\\\'') + "'"; }});String.prototype.gsub.prepareReplacement = function(replacement) { if (typeof replacement == 'function') return replacement; var template = new Template(replacement); return function(match) { return template.evaluate(match) };}String.prototype.parseQuery = String.prototype.toQueryParams;var Template = Class.create();Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;Template.prototype = { initialize: function(template, pattern) { this.template = template.toString(); this.pattern = pattern || Template.Pattern; }, evaluate: function(object) { return this.template.gsub(this.pattern, function(match) { var before = match[1]; if (before == '\\') return match[2]; return before + (object[match[3]] || '').toString(); }); }}var $break = new Object();var $continue = new Object();var Enumerable = { each: function(iterator) { var index = 0; try { this._each(function(value) { try { iterator(value, index++); } catch (e) { if (e != $continue) throw e; } }); } catch (e) { if (e != $break) throw e; } return this; }, eachSlice: function(number, iterator) { var index = -number, slices = [], array = this.toArray(); while ((index += number) < array.length) slices.push(array.slice(index, index+number)); return slices.collect(iterator || Prototype.K); }, all: function(iterator) { var result = true; this.each(function(value, index) { result = result && !!(iterator || Prototype.K)(value, index); if (!result) throw $break; }); return result; }, any: function(iterator) { var result = false; this.each(function(value, index) { if (result = !!(iterator || Prototype.K)(value, index)) throw $break; }); return result; }, collect: function(iterator) { var results = []; this.each(function(value, index) { results.push(iterator(value, index)); }); return results; }, detect: function(iterator) { var result; this.each(function(value, index) { if (iterator(value, index)) { result = value; throw $break; } }); return result; }, findAll: function(iterator) { var results = []; this.each(function(value, index) { if (iterator(value, index)) results.push(value); }); return results; }, grep: function(pattern, iterator) { var results = []; this.each(function(value, index) { var stringValue = value.toString(); if (stringValue.match(pattern)) results.push((iterator || Prototype.K)(value, index)); }) return results; }, include: function(object) { var found = false; this.each(function(value) { if (value == object) { found = true; throw $break; } }); return found; }, inGroupsOf: function(number, fillWith) { fillWith = fillWith || null; var results = this.eachSlice(number); if (results.length > 0) (number - results.last().length).times(function() { results.last().push(fillWith) }); return results; }, inject: function(memo, iterator) { this.each(function(value, index) { memo = iterator(memo, value, index); }); return memo; }, invoke: function(method) { var args = $A(arguments).slice(1); return this.collect(function(value) { return value[method].apply(value, args); }); }, max: function(iterator) { var result; this.each(function(value, index) { value = (iterator || Prototype.K)(value, index); if (result == undefined || value >= result) result = value; }); return result; }, min: function(iterator) { var result; this.each(function(value, index) { value = (iterator || Prototype.K)(value, index); if (result == undefined || value < result) result = value; }); return result; }, partition: function(iterator) { var trues = [], falses = []; this.each(function(value, index) { ((iterator || Prototype.K)(value, index) ? trues : falses).push(value); }); return [trues, falses]; }, pluck: function(property) { var results = []; this.each(function(value, index) { results.push(value[property]); }); return results; }, reject: function(iterator) { var results = []; this.each(function(value, index) { if (!iterator(value, index)) results.push(value); }); return results; }, sortBy: function(iterator) { return this.collect(function(value, index) { return {value: value, criteria: iterator(value, index)}; }).sort(function(left, right) { var a = left.criteria, b = right.criteria; return a < b ? -1 : a > b ? 1 : 0; }).pluck('value'); }, toArray: function() { return this.collect(Prototype.K); }, zip: function() { var iterator = Prototype.K, args = $A(arguments); if (typeof args.last() == 'function') iterator = args.pop(); var collections = [this].concat(args).map($A); return this.map(function(value, index) { return iterator(collections.pluck(index)); }); }, inspect: function() { return '#'; }}Object.extend(Enumerable, { map: Enumerable.collect, find: Enumerable.detect, select: Enumerable.findAll, member: Enumerable.include, entries: Enumerable.toArray});var $A = Array.from = function(iterable) { if (!iterable) return []; if (iterable.toArray) { return iterable.toArray(); } else { var results = []; for (var i = 0, length = iterable.length; i < length; i++) results.push(iterable[i]); return results; }}Object.extend(Array.prototype, Enumerable);if (!Array.prototype._reverse) Array.prototype._reverse = Array.prototype.reverse;Object.extend(Array.prototype, { _each: function(iterator) { for (var i = 0, length = this.length; i < length; i++) iterator(this[i]); }, clear: function() { this.length = 0; return this; }, first: function() { return this[0]; }, last: function() { return this[this.length - 1]; }, compact: function() { return this.select(function(value) { return value != undefined || value != null; }); }, flatten: function() { return this.inject([], function(array, value) { return array.concat(value && value.constructor == Array ? value.flatten() : [value]); }); }, without: function() { var values = $A(arguments); return this.select(function(value) { return !values.include(value); }); }, indexOf: function(object) { for (var i = 0, length = this.length; i < length; i++) if (this[i] == object) return i; return -1; }, reverse: function(inline) { return (inline !== false ? this : this.toArray())._reverse(); }, reduce: function() { return this.length > 1 ? this : this[0]; }, uniq: function() { return this.inject([], function(array, value) { return array.include(value) ? array : array.concat([value]); }); }, clone: function() { return [].concat(this); }, inspect: function() { return '[' + this.map(Object.inspect).join(', ') + ']'; }});Array.prototype.toArray = Array.prototype.clone;var Hash = { _each: function(iterator) { for (var key in this) { var value = this[key]; if (typeof value == 'function') continue; var pair = [key, value]; pair.key = key; pair.value = value; iterator(pair); } }, keys: function() { return this.pluck('key'); }, values: function() { return this.pluck('value'); }, merge: function(hash) { return $H(hash).inject(this, function(mergedHash, pair) { mergedHash[pair.key] = pair.value; return mergedHash; }); }, toQueryString: function() { return this.map(function(pair) { if (!pair.value && pair.value !== 0) pair[1] = ''; if (!pair.key) return; return pair.map(encodeURIComponent).join('='); }).join('&'); }, inspect: function() { return '#'; }}function $H(object) { var hash = Object.extend({}, object || {}); Object.extend(hash, Enumerable); Object.extend(hash, Hash); return hash;}ObjectRange = Class.create();Object.extend(ObjectRange.prototype, Enumerable);Object.extend(ObjectRange.prototype, { initialize: function(start, end, exclusive) { this.start = start; this.end = end; this.exclusive = exclusive; }, _each: function(iterator) { var value = this.start; while (this.include(value)) { iterator(value); value = value.succ(); } }, include: function(value) { if (value < this.start) return false; if (this.exclusive) return value < this.end; return value <= this.end; }});var $R = function(start, end, exclusive) { return new ObjectRange(start, end, exclusive);}var Ajax = { getTransport: function() { return Try.these( function() {return new XMLHttpRequest()}, function() {return new ActiveXObject('Msxml2.XMLHTTP')}, function() {return new ActiveXObject('Microsoft.XMLHTTP')} ) || false; }, activeRequestCount: 0}Ajax.Responders = { responders: [], _each: function(iterator) { this.responders._each(iterator); }, register: function(responder) { if (!this.include(responder)) this.responders.push(responder); }, unregister: function(responder) { this.responders = this.responders.without(responder); }, dispatch: function(callback, request, transport, json) { this.each(function(responder) { if (typeof responder[callback] == 'function') { try { responder[callback].apply(responder, [request, transport, json]); } catch (e) {} } }); }};Object.extend(Ajax.Responders, Enumerable);Ajax.Responders.register({ onCreate: function() { Ajax.activeRequestCount++; }, onComplete: function() { Ajax.activeRequestCount--; }});Ajax.Base = function() {};Ajax.Base.prototype = { setOptions: function(options) { this.options = { method: 'post', asynchronous: true, contentType: 'application/x-www-form-urlencoded', encoding: 'UTF-8', parameters: '' } Object.extend(this.options, options || {}); this.options.method = this.options.method.toLowerCase(); this.options.parameters = $H(typeof this.options.parameters == 'string' ? this.options.parameters.toQueryParams() : this.options.parameters); }}Ajax.Request = Class.create();Ajax.Request.Events = ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];Ajax.Request.prototype = Object.extend(new Ajax.Base(), { initialize: function(url, options) { this.transport = Ajax.getTransport(); this.setOptions(options); this.request(url); }, request: function(url) { var params = this.options.parameters; if (params.any()) params['_'] = ''; if (!['get', 'post'].include(this.options.method)) { // simulate other verbs over post params['_method'] = this.options.method; this.options.method = 'post'; } this.url = url; // when GET, append parameters to URL if (this.options.method == 'get' && params.any()) this.url += (this.url.indexOf('?') >= 0 ? '&' : '?') + params.toQueryString(); try { Ajax.Responders.dispatch('onCreate', this, this.transport); this.transport.open(this.options.method.toUpperCase(), this.url, this.options.asynchronous, this.options.username, this.options.password); if (this.options.asynchronous) setTimeout(function() { this.respondToReadyState(1) }.bind(this), 10); this.transport.onreadystatechange = this.onStateChange.bind(this); this.setRequestHeaders(); var body = this.options.method == 'post' ? (this.options.postBody || params.toQueryString()) : null; this.transport.send(body); /* Force Firefox to handle ready state 4 for synchronous requests */ if (!this.options.asynchronous && this.transport.overrideMimeType) this.onStateChange(); } catch (e) { this.dispatchException(e); } }, onStateChange: function() { var readyState = this.transport.readyState; if (readyState > 1) this.respondToReadyState(this.transport.readyState); }, setRequestHeaders: function() { var headers = { 'X-Requested-With': 'XMLHttpRequest', 'X-Prototype-Version': Prototype.Version, 'Accept': 'text/javascript, text/html, application/xml, text/xml, */*' }; if (this.options.method == 'post') { headers['Content-type'] = this.options.contentType + (this.options.encoding ? '; charset=' + this.options.encoding : ''); /* Force "Connection: close" for older Mozilla browsers to work * around a bug where XMLHttpRequest sends an incorrect * Content-length header. See Mozilla Bugzilla #246651. */ if (this.transport.overrideMimeType && (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005) headers['Connection'] = 'close'; } // user-defined headers if (typeof this.options.requestHeaders == 'object') { var extras = this.options.requestHeaders; if (typeof extras.push == 'function') for (var i = 0; i < extras.length; i += 2) headers[extras[i]] = extras[i+1]; else $H(extras).each(function(pair) { headers[pair.key] = pair.value }); } for (var name in headers) this.transport.setRequestHeader(name, headers[name]); }, success: function() { return !this.transport.status || (this.transport.status >= 200 && this.transport.status < 300); }, respondToReadyState: function(readyState) { var state = Ajax.Request.Events[readyState]; var transport = this.transport, json = this.evalJSON(); if (state == 'Complete') { try { (this.options['on' + this.transport.status] || this.options['on' + (this.success() ? 'Success' : 'Failure')] || Prototype.emptyFunction)(transport, json); } catch (e) { this.dispatchException(e); } } try { (this.options['on' + state] || Prototype.emptyFunction)(transport, json); Ajax.Responders.dispatch('on' + state, this, transport, json); } catch (e) { this.dispatchException(e); } if (state == 'Complete') { if ((this.getHeader('Content-type') || '').strip(). match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)) this.evalResponse(); // avoid memory leak in MSIE: clean up this.transport.onreadystatechange = Prototype.emptyFunction; } }, getHeader: function(name) { try { return this.transport.getResponseHeader(name); } catch (e) { return null } }, evalJSON: function() { try { var json = this.getHeader('X-JSON'); return json ? eval('(' + json + ')') : null; } catch (e) { return null } }, evalResponse: function() { try { return eval(this.transport.responseText); } catch (e) { this.dispatchException(e); } }, dispatchException: function(exception) { (this.options.onException || Prototype.emptyFunction)(this, exception); Ajax.Responders.dispatch('onException', this, exception); }});Ajax.Updater = Class.create();Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), { initialize: function(container, url, options) { this.container = { success: (container.success || container), failure: (container.failure || (container.success ? null : container)) } this.transport = Ajax.getTransport(); this.setOptions(options); var onComplete = this.options.onComplete || Prototype.emptyFunction; this.options.onComplete = (function(transport, param) { this.updateContent(); onComplete(transport, param); }).bind(this); this.request(url); }, updateContent: function() { var receiver = this.container[this.success() ? 'success' : 'failure']; var response = this.transport.responseText; if (!this.options.evalScripts) response = response.stripScripts(); if (receiver = $(receiver)) { if (this.options.insertion) new this.options.insertion(receiver, response); else receiver.update(response); } if (this.success()) { if (this.onComplete) setTimeout(this.onComplete.bind(this), 10); } }});Ajax.PeriodicalUpdater = Class.create();Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), { initialize: function(container, url, options) { this.setOptions(options); this.onComplete = this.options.onComplete; this.frequency = (this.options.frequency || 2); this.decay = (this.options.decay || 1); this.updater = {}; this.container = container; this.url = url; this.start(); }, start: function() { this.options.onComplete = this.updateComplete.bind(this); this.onTimerEvent(); }, stop: function() { this.updater.options.onComplete = undefined; clearTimeout(this.timer); (this.onComplete || Prototype.emptyFunction).apply(this, arguments); }, updateComplete: function(request) { if (this.options.decay) { this.decay = (request.responseText == this.lastText ? this.decay * this.options.decay : 1); this.lastText = request.responseText; } this.timer = setTimeout(this.onTimerEvent.bind(this), this.decay * this.frequency * 1000); }, onTimerEvent: function() { this.updater = new Ajax.Updater(this.container, this.url, this.options); }});function $(element) { if (arguments.length > 1) { for (var i = 0, elements = [], length = arguments.length; i < length; i++) elements.push($(arguments[i])); return elements; } if (typeof element == 'string') element = document.getElementById(element); return Element.extend(element);}if (Prototype.BrowserFeatures.XPath) { document._getElementsByXPath = function(expression, parentElement) { var results = []; var query = document.evaluate(expression, $(parentElement) || document, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null); for (var i = 0, len = query.snapshotLength; i < len; i++) results.push(query.snapshotItem(i)); return results; }}document.getElementsByClassName = function(className, parentElement) { if (Prototype.BrowserFeatures.XPath) { var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]"; return document._getElementsByXPath(q, parentElement); } else { var children = ($(parentElement) || document.body).getElementsByTagName('*'); var elements = [], child; for (var i = 0, length = children.length; i < length; i++) { child = children[i]; if (Element.hasClassName(child, className)) elements.push(Element.extend(child)); } return elements; }}/*--------------------------------------------------------------------------*/if (!window.Element) var Element = new Object();Element.extend = function(element) { if (!element) return; if (_nativeExtensions || element.nodeType == 3) return element; if (!element._extended && element.tagName && element != window) { var methods = Object.clone(Element.Methods), cache = Element.extend.cache; if (element.tagName == 'FORM') Object.extend(methods, Form.Methods); if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName)) Object.extend(methods, Form.Element.Methods); for (var property in methods) { var value = methods[property]; if (typeof value == 'function') element[property] = cache.findOrStore(value); } var methods = Object.clone(Element.Methods.Simulated), cache = Element.extend.cache; for (var property in methods) { var value = methods[property]; if ('function' == typeof value && !(property in element)) element[property] = cache.findOrStore(value); } } element._extended = true; return element;}Element.extend.cache = { findOrStore: function(value) { return this[value] = this[value] || function() { return value.apply(null, [this].concat($A(arguments))); } }}Element.Methods = { visible: function(element) { return $(element).style.display != 'none'; }, toggle: function(element) { element = $(element); Element[Element.visible(element) ? 'hide' : 'show'](element); return element; }, hide: function(element) { $(element).style.display = 'none'; return element; }, show: function(element) { $(element).style.display = ''; return element; }, remove: function(element) { element = $(element); element.parentNode.removeChild(element); return element; }, update: function(element, html) { html = typeof html == 'undefined' ? '' : html.toString(); $(element).innerHTML = html.stripScripts(); setTimeout(function() {html.evalScripts()}, 10); return element; }, replace: function(element, html) { element = $(element); if (element.outerHTML) { element.outerHTML = html.stripScripts(); } else { var range = element.ownerDocument.createRange(); range.selectNodeContents(element); element.parentNode.replaceChild( range.createContextualFragment(html.stripScripts()), element); } setTimeout(function() {html.evalScripts()}, 10); return element; }, inspect: function(element) { element = $(element); var result = '<' + element.tagName.toLowerCase(); $H({'id': 'id', 'className': 'class'}).each(function(pair) { var property = pair.first(), attribute = pair.last(); var value = (element[property] || '').toString(); if (value) result += ' ' + attribute + '=' + value.inspect(true); }); return result + '>'; }, recursivelyCollect: function(element, property) { element = $(element); var elements = []; while (element = element[property]) if (element.nodeType == 1) elements.push(Element.extend(element)); return elements; }, ancestors: function(element) { return $(element).recursivelyCollect('parentNode'); }, descendants: function(element) { element = $(element); return $A(element.getElementsByTagName('*')); }, previousSiblings: function(element) { return $(element).recursivelyCollect('previousSibling'); }, nextSiblings: function(element) { return $(element).recursivelyCollect('nextSibling'); }, siblings: function(element) { element = $(element); return element.previousSiblings().reverse().concat(element.nextSiblings()); }, match: function(element, selector) { element = $(element); if (typeof selector == 'string') selector = new Selector(selector); return selector.match(element); }, up: function(element, expression, index) { return Selector.findElement($(element).ancestors(), expression, index); }, down: function(element, expression, index) { return Selector.findElement($(element).descendants(), expression, index); }, previous: function(element, expression, index) { return Selector.findElement($(element).previousSiblings(), expression, index); }, next: function(element, expression, index) { return Selector.findElement($(element).nextSiblings(), expression, index); }, getElementsBySelector: function() { var args = $A(arguments), element = $(args.shift()); return Selector.findChildElements(element, args); }, getElementsByClassName: function(element, className) { element = $(element); return document.getElementsByClassName(className, element); }, getHeight: function(element) { element = $(element); return element.offsetHeight; }, classNames: function(element) { return new Element.ClassNames(element); }, hasClassName: function(element, className) { if (!(element = $(element))) return; var elementClassName = element.className; if (elementClassName.length == 0) return false; if (elementClassName == className || elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) return true; return false; }, addClassName: function(element, className) { if (!(element = $(element))) return; Element.classNames(element).add(className); return element; }, removeClassName: function(element, className) { if (!(element = $(element))) return; Element.classNames(element).remove(className); return element; }, observe: function() { Event.observe.apply(Event, arguments); return $A(arguments).first(); }, stopObserving: function() { Event.stopObserving.apply(Event, arguments); return $A(arguments).first(); }, // removes whitespace-only text node children cleanWhitespace: function(element) { element = $(element); var node = element.firstChild; while (node) { var nextNode = node.nextSibling; if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) element.removeChild(node); node = nextNode; } return element; }, empty: function(element) { return $(element).innerHTML.match(/^\s*$/); }, childOf: function(element, ancestor) { element = $(element), ancestor = $(ancestor); while (element = element.parentNode) if (element == ancestor) return true; return false; }, scrollTo: function(element) { element = $(element); var x = element.x ? element.x : element.offsetLeft, y = element.y ? element.y : element.offsetTop; window.scrollTo(x, y); return element; }, getStyle: function(element, style) { element = $(element); var value = element.style[style.camelize()]; if (!value) { if (document.defaultView && document.defaultView.getComputedStyle) { var css = document.defaultView.getComputedStyle(element, null); value = css ? css.getPropertyValue(style) : null; } else if (element.currentStyle) { value = element.currentStyle[style.camelize()]; } } if (window.opera && ['left', 'top', 'right', 'bottom'].include(style)) if (Element.getStyle(element, 'position') == 'static') value = 'auto'; return value == 'auto' ? null : value; }, setStyle: function(element, style) { element = $(element); for (var name in style) element.style[name.camelize()] = style[name]; return element; }, getDimensions: function(element) { element = $(element); if (Element.getStyle(element, 'display') != 'none') return {width: element.offsetWidth, height: element.offsetHeight}; // All *Width and *Height properties give 0 on elements with display none, // so enable the element temporarily var els = element.style; var originalVisibility = els.visibility; var originalPosition = els.position; els.visibility = 'hidden'; els.position = 'absolute'; els.display = ''; var originalWidth = element.clientWidth; var originalHeight = element.clientHeight; els.display = 'none'; els.position = originalPosition; els.visibility = originalVisibility; return {width: originalWidth, height: originalHeight}; }, makePositioned: function(element) { element = $(element); var pos = Element.getStyle(element, 'position'); if (pos == 'static' || !pos) { element._madePositioned = true; element.style.position = 'relative'; // Opera returns the offset relative to the positioning context, when an // element is position relative but top and left have not been defined if (window.opera) { element.style.top = 0; element.style.left = 0; } } return element; }, undoPositioned: function(element) { element = $(element); if (element._madePositioned) { element._madePositioned = undefined; element.style.position = element.style.top = element.style.left = element.style.bottom = element.style.right = ''; } return element; }, makeClipping: function(element) { element = $(element); if (element._overflow) return element; element._overflow = element.style.overflow || 'auto'; if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden') element.style.overflow = 'hidden'; return element; }, undoClipping: function(element) { element = $(element); if (!element._overflow) return element; element.style.overflow = element._overflow == 'auto' ? '' : element._overflow; element._overflow = null; return element; }}Element.Methods.Simulated = { hasAttribute: function(element, attribute) { return $(element).getAttributeNode(attribute).specified; }}// IE is missing .innerHTML support for TABLE-related elementsif(document.all){ Element.Methods.update = function(element, html) { element = $(element); html = typeof html == 'undefined' ? '' : html.toString(); var tagName = element.tagName.toUpperCase(); if (['THEAD','TBODY','TR','TD'].indexOf(tagName) > -1) { var div = document.createElement('div'); switch (tagName) { case 'THEAD': case 'TBODY': div.innerHTML = '' + html.stripScripts() + ''; depth = 2; break; case 'TR': div.innerHTML = '' + html.stripScripts() + ''; depth = 3; break; case 'TD': div.innerHTML = '

' + html.stripScripts() + '

'; depth = 4; } $A(element.childNodes).each(function(node){ element.removeChild(node) }); depth.times(function(){ div = div.firstChild }); $A(div.childNodes).each( function(node){ element.appendChild(node) }); } else { element.innerHTML = html.stripScripts(); } setTimeout(function() {html.evalScripts()}, 10); return element; }}Object.extend(Element, Element.Methods);var _nativeExtensions = false;if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { var className = 'HTML' + tag + 'Element'; if(window[className]) return; var klass = window[className] = {}; klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; });Element.addMethods = function(methods) { Object.extend(Element.Methods, methods || {}); function copy(methods, destination, onlyIfAbsent) { onlyIfAbsent = onlyIfAbsent || false; var cache = Element.extend.cache; for (var property in methods) { var value = methods[property]; if (!onlyIfAbsent || !(property in destination)) destination[property] = cache.findOrStore(value); } } if (typeof HTMLElement != 'undefined') { copy(Element.Methods, HTMLElement.prototype); copy(Element.Methods.Simulated, HTMLElement.prototype, true); copy(Form.Methods, HTMLFormElement.prototype); [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) { copy(Form.Element.Methods, klass.prototype); }); _nativeExtensions = true; }}var Toggle = new Object();Toggle.display = Element.toggle;/*--------------------------------------------------------------------------*/Abstract.Insertion = function(adjacency) { this.adjacency = adjacency;}Abstract.Insertion.prototype = { initialize: function(element, content) { this.element = $(element); this.content = content.stripScripts(); if (this.adjacency && this.element.insertAdjacentHTML) { try { this.element.insertAdjacentHTML(this.adjacency, this.content); } catch (e) { var tagName = this.element.tagName.toLowerCase(); if (tagName == 'tbody' || tagName == 'tr') { this.insertContent(this.contentFromAnonymousTable()); } else { throw e; } } } else { this.range = this.element.ownerDocument.createRange(); if (this.initializeRange) this.initializeRange(); this.insertContent([this.range.createContextualFragment(this.content)]); } setTimeout(function() {content.evalScripts()}, 10); }, contentFromAnonymousTable: function() { var div = document.createElement('div'); div.innerHTML = '' + this.content + ''; return $A(div.childNodes[0].childNodes[0].childNodes); }}var Insertion = new Object();Insertion.Before = Class.create();Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), { initializeRange: function() { this.range.setStartBefore(this.element); }, insertContent: function(fragments) { fragments.each((function(fragment) { this.element.parentNode.insertBefore(fragment, this.element); }).bind(this)); }});Insertion.Top = Class.create();Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), { initializeRange: function() { this.range.selectNodeContents(this.element); this.range.collapse(true); }, insertContent: function(fragments) { fragments.reverse(false).each((function(fragment) { this.element.insertBefore(fragment, this.element.firstChild); }).bind(this)); }});Insertion.Bottom = Class.create();Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), { initializeRange: function() { this.range.selectNodeContents(this.element); this.range.collapse(this.element); }, insertContent: function(fragments) { fragments.each((function(fragment) { this.element.appendChild(fragment); }).bind(this)); }});Insertion.After = Class.create();Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), { initializeRange: function() { this.range.setStartAfter(this.element); }, insertContent: function(fragments) { fragments.each((function(fragment) { this.element.parentNode.insertBefore(fragment, this.element.nextSibling); }).bind(this)); }});/*--------------------------------------------------------------------------*/Element.ClassNames = Class.create();Element.ClassNames.prototype = { initialize: function(element) { this.element = $(element); }, _each: function(iterator) { this.element.className.split(/\s+/).select(function(name) { return name.length > 0; })._each(iterator); }, set: function(className) { this.element.className = className; }, add: function(classNameToAdd) { if (this.include(classNameToAdd)) return; this.set($A(this).concat(classNameToAdd).join(' ')); }, remove: function(classNameToRemove) { if (!this.include(classNameToRemove)) return; this.set($A(this).without(classNameToRemove).join(' ')); }, toString: function() { return $A(this).join(' '); }}Object.extend(Element.ClassNames.prototype, Enumerable);var Selector = Class.create();Selector.prototype = { initialize: function(expression) { this.params = {classNames: []}; this.expression = expression.toString().strip(); this.parseExpression(); this.compileMatcher(); }, parseExpression: function() { function abort(message) { throw 'Parse error in selector: ' + message; } if (this.expression == '') abort('empty expression'); var params = this.params, expr = this.expression, match, modifier, clause, rest; while (match = expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)) { params.attributes = params.attributes || []; params.attributes.push({name: match[2], operator: match[3], value: match[4] || match[5] || ''}); expr = match[1]; } if (expr == '*') return this.params.wildcard = true; while (match = expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)) { modifier = match[1], clause = match[2], rest = match[3]; switch (modifier) { case '#': params.id = clause; break; case '.': params.classNames.push(clause); break; case '': case undefined: params.tagName = clause.toUpperCase(); break; default: abort(expr.inspect()); } expr = rest; } if (expr.length > 0) abort(expr.inspect()); }, buildMatchExpression: function() { var params = this.params, conditions = [], clause; if (params.wildcard) conditions.push('true'); if (clause = params.id) conditions.push('element.id == ' + clause.inspect()); if (clause = params.tagName) conditions.push('element.tagName.toUpperCase() == ' + clause.inspect()); if ((clause = params.classNames).length > 0) for (var i = 0; i < clause.length; i++) conditions.push('Element.hasClassName(element, ' + clause[i].inspect() + ')'); if (clause = params.attributes) { clause.each(function(attribute) { var value = 'element.getAttribute(' + attribute.name.inspect() + ')'; var splitValueBy = function(delimiter) { return value + ' && ' + value + '.split(' + delimiter.inspect() + ')'; } switch (attribute.operator) { case '=': conditions.push(value + ' == ' + attribute.value.inspect()); break; case '~=': conditions.push(splitValueBy(' ') + '.include(' + attribute.value.inspect() + ')'); break; case '|=': conditions.push( splitValueBy('-') + '.first().toUpperCase() == ' + attribute.value.toUpperCase().inspect() ); break; case '!=': conditions.push(value + ' != ' + attribute.value.inspect()); break; case '': case undefined: conditions.push(value + ' != null'); break; default: throw 'Unknown operator ' + attribute.operator + ' in selector'; } }); } return conditions.join(' && '); }, compileMatcher: function() { this.match = new Function('element', 'if (!element.tagName) return false; \ return ' + this.buildMatchExpression()); }, findElements: function(scope) { var element; if (element = $(this.params.id)) if (this.match(element)) if (!scope || Element.childOf(element, scope)) return [element]; scope = (scope || document).getElementsByTagName(this.params.tagName || '*'); var results = []; for (var i = 0, length = scope.length; i < length; i++) if (this.match(element = scope[i])) results.push(Element.extend(element)); return results; }, toString: function() { return this.expression; }}Object.extend(Selector, { matchElements: function(elements, expression) { var selector = new Selector(expression); return elements.select(selector.match.bind(selector)).collect(Element.extend); }, findElement: function(elements, expression, index) { if (typeof expression == 'number') index = expression, expression = false; return Selector.matchElements(elements, expression || '*')[index || 0]; }, findChildElements: function(element, expressions) { return expressions.map(function(expression) { return expression.strip().split(/\s+/).inject([null], function(results, expr) { var selector = new Selector(expr); return results.inject([], function(elements, result) { return elements.concat(selector.findElements(result || element)); }); }); }).flatten(); }});function $$() { return Selector.findChildElements(document, $A(arguments));}var Form = { reset: function(form) { $(form).reset(); return form; }, serializeElements: function(elements) { return elements.inject([], function(queryComponents, element) { var queryComponent = Form.Element.serialize(element); if (queryComponent) queryComponents.push(queryComponent); return queryComponents; }).join('&'); }};Form.Methods = { serialize: function(form) { return Form.serializeElements($(form).getElements()); }, getElements: function(form) { return $A($(form).getElementsByTagName('*')).inject([], function(elements, child) { if (Form.Element.Serializers[child.tagName.toLowerCase()]) elements.push(Element.extend(child)); return elements; } ); }, getInputs: function(form, typeName, name) { form = $(form); var inputs = form.getElementsByTagName('input'); if (!typeName && !name) return inputs; var matchingInputs = new Array(); for (var i = 0, length = inputs.length; i < length; i++) { var input = inputs[i]; if ((typeName && input.type != typeName) || (name && input.name != name)) continue; matchingInputs.push(Element.extend(input)); } return matchingInputs; }, disable: function(form) { form = $(form); form.getElements().each(function(element) { element.blur(); element.disabled = 'true'; }); return form; }, enable: function(form) { form = $(form); form.getElements().each(function(element) { element.disabled = ''; }); return form; }, findFirstElement: function(form) { return $(form).getElements().find(function(element) { return element.type != 'hidden' && !element.disabled && ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); }); }, focusFirstElement: function(form) { form = $(form); form.findFirstElement().activate(); return form; }}Object.extend(Form, Form.Methods);/*--------------------------------------------------------------------------*/Form.Element = { focus: function(element) { $(element).focus(); return element; }, select: function(element) { $(element).select(); return element; }}Form.Element.Methods = { serialize: function(element) { element = $(element); if (element.disabled) return ''; var method = element.tagName.toLowerCase(); var parameter = Form.Element.Serializers[method](element); if (parameter) { var key = encodeURIComponent(parameter[0]); if (key.length == 0) return; if (parameter[1].constructor != Array) parameter[1] = [parameter[1]]; return parameter[1].map(function(value) { return key + '=' + encodeURIComponent(value); }).join('&'); } }, getValue: function(element) { element = $(element); var method = element.tagName.toLowerCase(); var parameter = Form.Element.Serializers[method](element); if (parameter) return parameter[1]; }, clear: function(element) { $(element).value = ''; return element; }, present: function(element) { return $(element).value != ''; }, activate: function(element) { element = $(element); element.focus(); if (element.select) element.select(); return element; }, disable: function(element) { element = $(element); element.disabled = true; return element; }, enable: function(element) { element = $(element); element.blur(); element.disabled = false; return element; }}Object.extend(Form.Element, Form.Element.Methods);var Field = Form.Element;/*--------------------------------------------------------------------------*/Form.Element.Serializers = { input: function(element) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': return Form.Element.Serializers.inputSelector(element); default: return Form.Element.Serializers.textarea(element); } return false; }, inputSelector: function(element) { if (element.checked) return [element.name, element.value]; }, textarea: function(element) { return [element.name, element.value]; }, select: function(element) { return Form.Element.Serializers[element.type == 'select-one' ? 'selectOne' : 'selectMany'](element); }, selectOne: function(element) { var value = '', opt, index = element.selectedIndex; if (index >= 0) { opt = Element.extend(element.options[index]); // Uses the new potential extension if hasAttribute isn't native. value = opt.hasAttribute('value') ? opt.value : opt.text; } return [element.name, value]; }, selectMany: function(element) { var value = []; for (var i = 0; i < element.length; i++) { var opt = Element.extend(element.options[i]); if (opt.selected) // Uses the new potential extension if hasAttribute isn't native. value.push(opt.hasAttribute('value') ? opt.value : opt.text); } return [element.name, value]; }}/*--------------------------------------------------------------------------*/var $F = Form.Element.getValue;/*--------------------------------------------------------------------------*/Abstract.TimedObserver = function() {}Abstract.TimedObserver.prototype = { initialize: function(element, frequency, callback) { this.frequency = frequency; this.element = $(element); this.callback = callback; this.lastValue = this.getValue(); this.registerCallback(); }, registerCallback: function() { setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); }, onTimerEvent: function() { var value = this.getValue(); if (this.lastValue != value) { this.callback(this.element, value); this.lastValue = value; } }}Form.Element.Observer = Class.create();Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { getValue: function() { return Form.Element.getValue(this.element); }});Form.Observer = Class.create();Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), { getValue: function() { return Form.serialize(this.element); }});/*--------------------------------------------------------------------------*/Abstract.EventObserver = function() {}Abstract.EventObserver.prototype = { initialize: function(element, callback) { this.element = $(element); this.callback = callback; this.lastValue = this.getValue(); if (this.element.tagName.toLowerCase() == 'form') this.registerFormCallbacks(); else this.registerCallback(this.element); }, onElementEvent: function() { var value = this.getValue(); if (this.lastValue != value) { this.callback(this.element, value); this.lastValue = value; } }, registerFormCallbacks: function() { Form.getElements(this.element).each(this.registerCallback.bind(this)); }, registerCallback: function(element) { if (element.type) { switch (element.type.toLowerCase()) { case 'checkbox': case 'radio': Event.observe(element, 'click', this.onElementEvent.bind(this)); break; default: Event.observe(element, 'change', this.onElementEvent.bind(this)); break; } } }}Form.Element.EventObserver = Class.create();Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { getValue: function() { return Form.Element.getValue(this.element); }});Form.EventObserver = Class.create();Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), { getValue: function() { return Form.serialize(this.element); }});if (!window.Event) { var Event = new Object();}Object.extend(Event, { KEY_BACKSPACE: 8, KEY_TAB: 9, KEY_RETURN: 13, KEY_ESC: 27, KEY_LEFT: 37, KEY_UP: 38, KEY_RIGHT: 39, KEY_DOWN: 40, KEY_DELETE: 46, KEY_HOME: 36, KEY_END: 35, KEY_PAGEUP: 33, KEY_PAGEDOWN: 34, element: function(event) { return event.target || event.srcElement; }, isLeftClick: function(event) { return (((event.which) && (event.which == 1)) || ((event.button) && (event.button == 1))); }, pointerX: function(event) { return event.pageX || (event.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft)); }, pointerY: function(event) { return event.pageY || (event.clientY + (document.documentElement.scrollTop || document.body.scrollTop)); }, stop: function(event) { if (event.preventDefault) { event.preventDefault(); event.stopPropagation(); } else { event.returnValue = false; event.cancelBubble = true; } }, // find the first node with the given tagName, starting from the // node the event was triggered on; traverses the DOM upwards findElement: function(event, tagName) { var element = Event.element(event); while (element.parentNode && (!element.tagName || (element.tagName.toUpperCase() != tagName.toUpperCase()))) element = element.parentNode; return element; }, observers: false, _observeAndCache: function(element, name, observer, useCapture) { if (!this.observers) this.observers = []; if (element.addEventListener) { this.observers.push([element, name, observer, useCapture]); element.addEventListener(name, observer, useCapture); } else if (element.attachEvent) { this.observers.push([element, name, observer, useCapture]); element.attachEvent('on' + name, observer); } }, unloadCache: function() { if (!Event.observers) return; for (var i = 0, length = Event.observers.length; i < length; i++) { Event.stopObserving.apply(this, Event.observers[i]); Event.observers[i][0] = null; } Event.observers = false; }, observe: function(element, name, observer, useCapture) { element = $(element); useCapture = useCapture || false; if (name == 'keypress' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.attachEvent)) name = 'keydown'; Event._observeAndCache(element, name, observer, useCapture); }, stopObserving: function(element, name, observer, useCapture) { element = $(element); useCapture = useCapture || false; if (name == 'keypress' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.detachEvent)) name = 'keydown'; if (element.removeEventListener) { element.removeEventListener(name, observer, useCapture); } else if (element.detachEvent) { try { element.detachEvent('on' + name, observer); } catch (e) {} } }});/* prevent memory leaks in IE */if (navigator.appVersion.match(/\bMSIE\b/)) Event.observe(window, 'unload', Event.unloadCache, false);var Position = { // set to true if needed, warning: firefox performance problems // NOT neeeded for page scrolling, only if draggable contained in // scrollable elements includeScrollOffsets: false, // must be called before calling withinIncludingScrolloffset, every time the // page is scrolled prepare: function() { this.deltaX = window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft || 0; this.deltaY = window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop || 0; }, realOffset: function(element) { var valueT = 0, valueL = 0; do { valueT += element.scrollTop || 0; valueL += element.scrollLeft || 0; element = element.parentNode; } while (element); return [valueL, valueT]; }, cumulativeOffset: function(element) { var valueT = 0, valueL = 0; do { valueT += element.offsetTop || 0; valueL += element.offsetLeft || 0; element = element.offsetParent; } while (element); return [valueL, valueT]; }, positionedOffset: function(element) { var valueT = 0, valueL = 0; do { valueT += element.offsetTop || 0; valueL += element.offsetLeft || 0; element = element.offsetParent; if (element) { if(element.tagName=='BODY') break; var p = Element.getStyle(element, 'position'); if (p == 'relative' || p == 'absolute') break; } } while (element); return [valueL, valueT]; }, offsetParent: function(element) { if (element.offsetParent) return element.offsetParent; if (element == document.body) return element; while ((element = element.parentNode) && element != document.body) if (Element.getStyle(element, 'position') != 'static') return element; return document.body; }, // caches x/y coordinate pair to use with overlap within: function(element, x, y) { if (this.includeScrollOffsets) return this.withinIncludingScrolloffsets(element, x, y); this.xcomp = x; this.ycomp = y; this.offset = this.cumulativeOffset(element); return (y >= this.offset[1] && y < this.offset[1] + element.offsetHeight && x >= this.offset[0] && x < this.offset[0] + element.offsetWidth); }, withinIncludingScrolloffsets: function(element, x, y) { var offsetcache = this.realOffset(element); this.xcomp = x + offsetcache[0] - this.deltaX; this.ycomp = y + offsetcache[1] - this.deltaY; this.offset = this.cumulativeOffset(element); return (this.ycomp >= this.offset[1] && this.ycomp < this.offset[1] + element.offsetHeight && this.xcomp >= this.offset[0] &&
this.xcomp < this.offset[0] + element.offsetWidth);
},

// within must be called directly before
overlap: function(mode, element) {
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},

page: function(forElement) {
var valueT = 0, valueL = 0;

var element = forElement;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;

// Safari fix
if (element.offsetParent==document.body)
if (Element.getStyle(element,'position')=='absolute') break;

} while (element = element.offsetParent);

element = forElement;
do {
if (!window.opera || element.tagName=='BODY') {
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;
}
} while (element = element.parentNode);

return [valueL, valueT];
},

clone: function(source, target) {
var options = Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] || {})

// find page position of source
source = $(source);
var p = Position.page(source);

// find coordinate system to use
target = $(target);
var delta = [0, 0];
var parent = null;
// delta [0,0] will do fine with position: fixed elements,
// position:absolute needs offsetParent deltas
if (Element.getStyle(target,'position') == 'absolute') {
parent = Position.offsetParent(target);
delta = Position.page(parent);
}

// correct by body offsets (fixes Safari)
if (parent == document.body) {
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;
}

// set position
if(options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
if(options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
if(options.setWidth) target.style.width = source.offsetWidth + 'px';
if(options.setHeight) target.style.height = source.offsetHeight + 'px';
},

absolutize: function(element) {
element = $(element);
if (element.style.position == 'absolute') return;
Position.prepare();

var offsets = Position.positionedOffset(element);
var top = offsets[1];
var left = offsets[0];
var width = element.clientWidth;
var height = element.clientHeight;

element._originalLeft = left - parseFloat(element.style.left || 0);
element._originalTop = top - parseFloat(element.style.top || 0);
element._originalWidth = element.style.width;
element._originalHeight = element.style.height;

element.style.position = 'absolute';
element.style.top = top + 'px';;
element.style.left = left + 'px';;
element.style.width = width + 'px';;
element.style.height = height + 'px';;
},

relativize: function(element) {
element = $(element);
if (element.style.position == 'relative') return;
Position.prepare();

element.style.position = 'relative';
var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

element.style.top = top + 'px';
element.style.left = left + 'px';
element.style.height = element._originalHeight;
element.style.width = element._originalWidth;
}
}

// Safari returns margins on body which is incorrect if the child is absolutely
// positioned. For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
Position.cumulativeOffset = function(element) {
var valueT = 0, valueL = 0;
do {
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position') == 'absolute') break;

element = element.offsetParent;
} while (element);

return [valueL, valueT];
}
}

Element.addMethods();

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