var Prototype = {Version: '1.4.0', ScriptFragment: '(?:<script.*?>)((\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 (property in source) {destination[property] = source[property];}
return destination;}
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;}}
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;
return function(event) {return __method.call(object, event || window.event);}}
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() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);}, onTimerEvent: function() {
if (!this.currentlyExecuting) {try {this.currentlyExecuting = true; 
this.callback();} finally {this.currentlyExecuting = false;}}}}
function $() {var elements = new Array();
for (var i = 0; i < arguments.length; i++) {var element = arguments[i];
if (typeof element == 'string') element = document.getElementById(element);
if (arguments.length == 1) return element;
elements.push(element);}
return elements;}
Object.extend(String.prototype, {stripTags: function() {return this.replace(/<\/?[^>]+>/gi, '');}, stripScripts: function() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');}, extractScripts: function() {var matchAll = new RegExp(Prototype.ScriptFragment, 'img'); var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {return (scriptTag.match(matchOne) || ['', ''])[1];});}, evalScripts: function() {
return this.extractScripts().map(eval);}, escapeHTML: function() {var div = document.createElement('div');
var text = document.createTextNode(this); div.appendChild(text);
return div.innerHTML;}, unescapeHTML: function() {var div = document.createElement('div');
div.innerHTML = this.stripTags(); return div.childNodes[0] ? div.childNodes[0].nodeValue : '';}, toQueryParams: function() {
var pairs = this.match(/^\??(.*)$/)[1].split('&'); return pairs.inject({}, function(params, pairString) {
var pair = pairString.split('='); params[pair[0]] = pair[1]; 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() {return "'" + this.replace('\\', '\\\\').replace("'", '\\\'') + "'";}});
String.prototype.parseQuery = String.prototype.toQueryParams;
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 = true;
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 (value >= (result || value))
result = value;});
return result;}, min: function(iterator) {var result;
this.each(function(value, index) {value = (iterator || Prototype.K)(value, index);
if (value <= (result || value))
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) {iterator(value = collections.pluck(index));
return value;});}, inspect: function() {return '#<Enumerable:' + this.toArray().inspect() + '>';}}
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); 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.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();}, shift: function() {
var result = this[0]; for (var i = 0; i < this.length - 1; i++)
this[i] = this[i + 1]; this.length--; return result;}, inspect: function() {return '[' + this.map(Object.inspect).join(', ') + ']';}});
var Hash = {_each: function(iterator) {
for (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 '#<Hash:{' + this.map(function(pair) {return pair.map(Object.inspect).join(': ');}).join(', ') + '}>';}}
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;
do {iterator(value); value = value.succ();} while (this.include(value));}, 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 ActiveXObject('Msxml2.XMLHTTP')}, function() {return new ActiveXObject('Microsoft.XMLHTTP')}, function() {return new XMLHttpRequest()}
) || 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, 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 += '&_=';
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) {this.transport.onreadystatechange = this.onStateChange.bind(this);
setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);}
this.setRequestHeaders(); var body = this.options.postBody ? this.options.postBody : parameters;
this.transport.send(this.options.method == 'post' ? body : null);} catch (e) {
this.dispatchException(e);}}, setRequestHeaders: function() {var requestHeaders =['X-Requested-With', 'XMLHttpRequest', 'X-Prototype-Version', Prototype.Version];
if (this.options.method == 'post') {requestHeaders.push('Content-type', 'application/x-www-form-urlencoded');
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 : $(container))}
this.transport = Ajax.getTransport(); this.setOptions(options); var onComplete = this.options.onComplete || Prototype.emptyFunction;
this.options.onComplete = (function(transport, object) {this.updateContent(); onComplete(transport, object);}).bind(this);
this.request(url);}, updateContent: function() {var receiver = this.responseIsSuccess() ? this.containers.success : this.containers.failure; var response = this.transport.responseText;
if (!this.options.evalScripts) response = response.stripScripts();
if (receiver) {if (this.options.insertion) {new this.options.insertion(receiver, response);} else {Element.update(receiver, response);}}
if (this.responseIsSuccess()) {if (this.onComplete)
setTimeout(this.onComplete.bind(this), 10);}}});
Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {initialize: function(container, url, options) {
this.setOptions(options); this.onComplete = this.options.onComplete; this.frequency = (this.options.frequency || 2); this.decay = (this.options.decay || 1); this.updater = {};
this.container = container; this.url = url; this.start();}, start: function() {this.options.onComplete = this.updateComplete.bind(this);
this.onTimerEvent();}, stop: function() {this.updater.onComplete = undefined; clearTimeout(this.timer); (this.onComplete || Prototype.emptyFunction).apply(this, arguments);}, updateComplete: function(request) {
if (this.options.decay) {this.decay = (request.responseText == this.lastText ? this.decay * this.options.decay : 1);
this.lastText = request.responseText;}
this.timer = setTimeout(this.onTimerEvent.bind(this), this.decay * this.frequency * 1000);}, onTimerEvent: function() {
this.updater = new Ajax.Updater(this.container, this.url, this.options);}});
document.getElementsByClassName = function(className, parentElement) {var children = ($(parentElement) || document.body).getElementsByTagName('*');
return $A(children).inject([], function(elements, child) {
if (child.className.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
elements.push(child); return elements;});}
if (!window.Element) {var Element = new Object();}
Object.extend(Element, {visible: function(element) {
return $(element).style.display != 'none';}, toggle: function() {
for (var i = 0; i < arguments.length; i++) {var element = $(arguments[i]);
Element[Element.visible(element) ? 'hide' : 'show'](element);}}, hide: function() {
for (var i = 0; i < arguments.length; i++) {var element = $(arguments[i]);
element.style.display = 'none';}}, show: function() {
for (var i = 0; i < arguments.length; i++) {var element = $(arguments[i]);
element.style.display = '';}}, remove: function(element) {element = $(element);
element.parentNode.removeChild(element);}, update: function(element, html) {
$(element).innerHTML = html.stripScripts(); setTimeout(function() {html.evalScripts()}, 10);}, 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; return Element.classNames(element).add(className);}, removeClassName: function(element, className) {
if (!(element = $(element))) return; return Element.classNames(element).remove(className);}, cleanWhitespace: function(element) {
element = $(element); for (var i = 0; i < element.childNodes.length; i++) {var node = element.childNodes[i];
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
Element.remove(node);}}, empty: function(element) {return $(element).innerHTML.match(/^\s*$/);}, scrollTo: function(element) {
element = $(element); var x = element.x ? element.x : element.offsetLeft, y = element.y ? element.y : element.offsetTop;
window.scrollTo(x, y);}, 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 (name in style) element.style[name.camelize()] = style[name];}, 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;}}}, 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 = '';}}, makeClipping: function(element) {
element = $(element); if (element._overflow) return;
element._overflow = element.style.overflow; if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
element.style.overflow = 'hidden';}, undoClipping: function(element) {element = $(element);
if (element._overflow) return; element.style.overflow = element._overflow; element._overflow = undefined;}});
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) {
if (this.element.tagName.toLowerCase() == 'tbody') {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 = '<table><tbody>' + this.content + '</tbody></table>'; 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 Field = {clear: function() {for (var i = 0; i < arguments.length; i++)
$(arguments[i]).value = '';}, focus: function(element) {$(element).focus();}, present: function() {
for (var i = 0; i < arguments.length; i++)
if ($(arguments[i]).value == '') return false;
return true;}, select: function(element) {$(element).select();}, activate: function(element) {element = $(element); element.focus();
if (element.select) element.select();}}
var Form = {serialize: function(form) {var elements = Form.getElements($(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 (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 = $(form); var inputs = form.getElementsByTagName('input');
if (!typeName && !name) return inputs;
var matchingInputs = new Array();
for (var i = 0; i < inputs.length; i++) {var input = inputs[i];
if ((typeName && input.type != typeName) || (name && input.name != name)) continue; matchingInputs.push(input);}
return matchingInputs;}, disable: function(form) {var elements = Form.getElements(form);
for (var i = 0; i < elements.length; i++) {var element = elements[i]; element.blur();
element.disabled = 'true';}}, enable: function(form) {var elements = Form.getElements(form); for (var i = 0; i < elements.length; i++) {var element = elements[i];
element.disabled = '';}}, findFirstElement: function(form) {return Form.getElements(form).find(function(element) {return element.type != 'hidden' && !element.disabled &&
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());});}, focusFirstElement: function(form) {Field.activate(Form.findFirstElement(form));}, reset: function(form) {$(form).reset();}}
Form.Element = {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];}}
Form.Element.Serializers = {input: function(element) {
switch (element.type.toLowerCase()) {
case 'submit':
case 'hidden':
case 'password':
case 'text': return Form.Element.Serializers.textarea(element);
case 'checkbox':
case 'radio': return Form.Element.Serializers.inputSelector(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;
if (!value && !('value' in opt)) value = opt.text;}
return [element.name, value];}, selectMany: function(element) {var value = new Array();
for (var i = 0; i < element.length; i++) {var opt = element.options[i];
if (opt.selected) {var optValue = opt.value;
if (!optValue && !('value' in opt)) optValue = opt.text; value.push(optValue);}}
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;
case 'password':
case 'text':
case 'textarea':
case 'select-one':
case 'select-multiple': 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, 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) {var element = $(element); useCapture = useCapture || false;
if (name == 'keypress' && (navigator.appVersion.match(/Konqueror|Safari|KHTML/) || element.attachEvent)) name = 'keydown';
this._observeAndCache(element, name, observer, useCapture);}, stopObserving: function(element, name, observer, useCapture) {
var 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) {element.detachEvent('on' + name, observer);}}});
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;}, clone: function(source, target) {
source = $(source); target = $(target); target.style.position = 'absolute';
var offsets = this.cumulativeOffset(source); target.style.top = offsets[1] + 'px'; target.style.left = offsets[0] + 'px'; target.style.width = source.offsetWidth + 'px';
target.style.height = source.offsetHeight + 'px';}, 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 { 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];}}