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];}}