/* 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', 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 pairs = this.match(/^\??(.*)$/)[1].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, len = oStringList.length; i < len; 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;}}, 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;}, 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; i < iterable.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; i < this.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; i < this.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]);});}, inspect: function() {return '[' + this.map(Object.inspect).join(', ') + ']';}}); 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 $H(hash).inject($H(this), function(mergedHash, pair) { mergedHash[pair.key] = pair.value; return mergedHash; }); }, toQueryString: function() { return this.map(function(pair) { 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(responderToAdd) { if (!this.include(responderToAdd)) this.responders.push(responderToAdd); }, unregister: function(responderToRemove) { this.responders = this.responders.without(responderToRemove); }, dispatch: function(callback, request, transport, json) { this.each(function(responder) { if (responder[callback] && 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',parameters: ''} Object.extend(this.options, options || {}); }, responseIsSuccess: function() {return this.transport.status == undefined || this.transport.status == 0 || (this.transport.status >= 200 && this.transport.status < 300); }, responseIsFailure: function() { return !this.responseIsSuccess();}} 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 parameters = this.options.parameters || ''; if (parameters.length > 0) parameters += '&_='; if (this.options.method != 'get' && this.options.method != 'post') { parameters += (parameters.length > 0 ? '&' : '') + '_method=' + this.options.method; this.options.method = 'post'; } try { this.url = url; if (this.options.method == 'get' && parameters.length > 0) this.url += (this.url.match(/\?/) ? '&' : '?') + parameters; Ajax.Responders.dispatch('onCreate', this, this.transport); this.transport.open(this.options.method, this.url, this.options.asynchronous); 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.postBody ? this.options.postBody : parameters; this.transport.send(this.options.method == 'post' ? body : null); if (!this.options.asynchronous && this.transport.overrideMimeType) this.onStateChange(); } catch (e) { this.dispatchException(e); } }, setRequestHeaders: function() { var requestHeaders = ['X-Requested-With', 'XMLHttpRequest', 'X-Prototype-Version', Prototype.Version, 'Accept', 'text/javascript, text/html, application/xml, text/xml, */*']; if (this.options.method == 'post') { requestHeaders.push('Content-type', this.options.contentType); if (this.transport.overrideMimeType) requestHeaders.push('Connection', 'close');} if (this.options.requestHeaders) requestHeaders.push.apply(requestHeaders, this.options.requestHeaders); for (var i = 0; i < requestHeaders.length; i += 2) this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]); }, onStateChange: function() { var readyState = this.transport.readyState; if (readyState != 1) this.respondToReadyState(this.transport.readyState); }, header: function(name) { try { return this.transport.getResponseHeader(name); } catch (e) {}}, evalJSON: function() { try { return eval('(' + this.header('X-JSON') + ')'); } catch (e) {} }, evalResponse: function() { try { return eval(this.transport.responseText); } catch (e) { this.dispatchException(e); } }, respondToReadyState: function(readyState) { var event = Ajax.Request.Events[readyState]; var transport = this.transport, json = this.evalJSON(); if (event == 'Complete') { try { (this.options['on' + this.transport.status] || this.options['on' + (this.responseIsSuccess() ? 'Success' : 'Failure')] || Prototype.emptyFunction)(transport, json); } catch (e) { this.dispatchException(e); } if ((this.header('Content-type') || '').match(/^text\/javascript/i)) this.evalResponse(); } try { (this.options['on' + event] || Prototype.emptyFunction)(transport, json); Ajax.Responders.dispatch('on' + event, this, transport, json); } catch (e) { this.dispatchException(e); } if (event == 'Complete') this.transport.onreadystatechange = Prototype.emptyFunction; }, 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.containers = { success: container.success ? $(container.success) : $(container), failure: 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, object) { this.updateContent(); onComplete(transport, object); }).bind(this); this.request(url); }, updateContent: function() { var receiver = this.responseIsSuccess() ? this.containers.success : this.containers.failure; var response = this.transport.responseText; if (!this.options.evalScripts) response = response.stripScripts(); if (receiver) { if (this.options.insertion) { new this.options.insertion(receiver, response); } else { Element.update(receiver, response); } } if (this.responseIsSuccess()) { 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 $() { var results = [], element; for (var i = 0; i < arguments.length; i++) { element = arguments[i]; if (typeof element == 'string') element = document.getElementById(element); results.push(Element.extend(element)); } return results.reduce(); } document.getElementsByClassName = function(className, parentElement) { var children = ($(parentElement) || document.body).getElementsByTagName('*'); return $A(children).inject([], function(elements, child) { if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) 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); }} 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) { $(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; return Element.classNames(element).include(className); }, 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(); }, 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}; 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'; 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._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.style.overflow = element._overflow == 'auto' ? '' : element._overflow; element._overflow = null; return element; } } if(document.all){ Element.Methods.update = function(element, html) { element = $(element); 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 (!window.HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) { ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) { var klass = window['HTML' + tag + 'Element'] = {}; klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__; });} Element.addMethods = function(methods) { Object.extend(Element.Methods, methods || {}); function copy(methods, destination) { var cache = Element.extend.cache; for (var property in methods) { var value = methods[property]; destination[property] = cache.findOrStore(value); } } if (typeof HTMLElement != 'undefined') { copy(Element.Methods, HTMLElement.prototype); 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(this.toArray().concat(classNameToAdd).join(' ')); }, remove: function(classNameToRemove) { if (!this.include(classNameToRemove)) return; this.set(this.select(function(className) { return className != classNameToRemove; }).join(' ')); }, toString: function() { return this.toArray().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; i < scope.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)); }, 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) { $(form).reset(); return form; } }; Form.Methods = { serialize: function(form) { var elements = Form.getElements($(form)); var queryComponents = new Array(); for (var i = 0; i < elements.length; i++) { var queryComponent = Form.Element.serialize(elements[i]); if (queryComponent) queryComponents.push(queryComponent); } return queryComponents.join('&'); }, getElements: function(form) { form = $(form); var elements = new Array(); for (var tagName in Form.Element.Serializers) { var tagElements = form.getElementsByTagName(tagName); for (var j = 0; j < tagElements.length; j++) elements.push(tagElements[j]); } 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; i < inputs.length; i++) { var input = inputs[i]; if ((typeName && input.type != typeName) || (name && input.name != name)) continue; matchingInputs.push(input); } return matchingInputs; }, disable: function(form) { form = $(form); var elements = Form.getElements(form); for (var i = 0; i < elements.length; i++) { var element = elements[i]; element.blur(); element.disabled = 'true'; } return form; }, enable: function(form) { form = $(form); var elements = Form.getElements(form); for (var i = 0; i < elements.length; i++) { var element = elements[i]; element.disabled = ''; } return form; }, findFirstElement: function(form) { return Form.getElements(form).find(function(element) { return element.type != 'hidden' && !element.disabled && ['input', 'select', 'textarea'].include(element.tagName.toLowerCase()); }); }, focusFirstElement: function(form) { form = $(form); Field.activate(Form.findFirstElement(form)); 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); 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 = ''; return element; }, enable: function(element) { element = $(element); element.blur(); element.disabled = 'true'; 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.options[index]; 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.options[i]; if (opt.selected) value.push(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() { var elements = Form.getElements(this.element); for (var i = 0; i < elements.length; i++) this.registerCallback(elements[i]); }, 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;} }, 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; i < Event.observers.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) {} } }}); if (navigator.appVersion.match(/\bMSIE\b/)) Event.observe(window, 'unload', Event.unloadCache, false); var Position = { includeScrollOffsets: false, 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) { 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; }, 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); }, 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; 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] || {}) source = $(source); var p = Position.page(source); target = $(target); var delta = [0, 0]; var parent = null; if (Element.getStyle(target,'position') == 'absolute') { parent = Position.offsetParent(target); delta = Position.page(parent); } if (parent == document.body) { delta[0] -= document.body.offsetLeft; delta[1] -= document.body.offsetTop; } 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; }} 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]; } } Ajax.Paster = Class.create(); Object.extend(Object.extend(Ajax.Paster.prototype, Ajax.Updater.prototype), {initialize: function(container, url, options) { this.containers = { success: container.success ? $(container.success) : $(container),failure: 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, object) { this.updateContent(); onComplete(transport, object);}).bind(this); this.request(url);}, updateContent: function() {var receiver = this.responseIsSuccess() ? this.containers.success : this.containers.failure; var response = this.transport.responseText; if (!this.options.evalScripts) response = response.stripScripts(); if (receiver) { if (this.options.insertion) { new this.options.insertion(receiver, response); } else { Element.paste(receiver, response); }} if (this.responseIsSuccess()) { if (this.onComplete) setTimeout(this.onComplete.bind(this), 10); } }}); Object.extend(Element,{ paste: function(element, html) { $(element).innerHTML += html.stripScripts(); setTimeout(function() {html.evalScripts()}, 10);}}); Element.addMethods();