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]; }}