/* - ++resource++prototype.js - */
// http://www.library.ispu.ru/portal_javascripts/++resource++prototype.js?original=1
var Prototype={Version:'1.5.0_rc1',BrowserFeatures:{XPath:!!document.evaluate},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(var property in source){destination[property]=source[property]}
return destination}
Object.extend(Object,{inspect: function(object){try{if(object===undefined) return 'undefined';if(object===null) return 'null';return object.inspect?object.inspect():object.toString()} catch(e){if(e instanceof RangeError) return '...';throw e}},keys: function(object){var keys=[];for(var property in object)
keys.push(property);return keys},values: function(object){var values=[];for(var property in object)
values.push(object[property]);return values},clone: function(object){return Object.extend({},object)}});Function.prototype.bind=function(){var __method=this,args=$A(arguments),object=args.shift();return function(){return __method.apply(object,args.concat($A(arguments)))}}
Function.prototype.bindAsEventListener=function(object){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[(event||window.event)].concat(args).concat($A(arguments)))}}
Object.extend(Number.prototype,{toColorPart: function(){var digits=this.toString(16);if(this<16) return '0'+digits;return digits},succ: function(){return this+1},times: function(iterator){$R(0,this,true).each(iterator);return this}});var Try={these: function(){var returnValue;for(var i=0;i<arguments.length;i++){var lambda=arguments[i];try{returnValue=lambda();break} catch(e){}}
return returnValue}}
var PeriodicalExecuter=Class.create();PeriodicalExecuter.prototype={initialize: function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback()},registerCallback: function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency * 1000)},stop: function(){if(!this.timer) return;clearInterval(this.timer);this.timer=null},onTimerEvent: function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.callback(this)} finally{this.currentlyExecuting=false}}}}
Object.extend(String.prototype,{gsub: function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=(replacement(match)||'').toString();source=source.slice(match.index+match[0].length)} else{result+=source,source=''}}
return result},sub: function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=count===undefined?1:count;return this.gsub(pattern, function(match){if(--count<0) return match[0];return replacement(match)})},scan: function(pattern,iterator){this.gsub(pattern,iterator);return this},truncate: function(length,truncation){length=length||30;truncation=truncation===undefined?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:this},strip: function(){return this.replace(/^\s+/, '').replace(/\s+$/,'')},stripTags: function(){return this.replace(/<\/?[^>]+>/gi,'')},stripScripts: function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'')},extractScripts: function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1]})},evalScripts: function(){return this.extractScripts().map(function(script){return eval(script)})},escapeHTML: function(){var div=document.createElement('div');var text=document.createTextNode(this);div.appendChild(text);return div.innerHTML},unescapeHTML: function(){var div=document.createElement('div');div.innerHTML=this.stripTags();return div.childNodes[0]?div.childNodes[0].nodeValue:''},toQueryParams: function(){var match=this.strip().match(/[^?]*$/)[0];if(!match) return{};var pairs=match.split('&');return pairs.inject({}, function(params,pairString){var pair=pairString.split('=');var value=pair[1]?decodeURIComponent(pair[1]):undefined;params[decodeURIComponent(pair[0])]=value;return params})},toArray: function(){return this.split('')},camelize: function(){var oStringList=this.split('-');if(oStringList.length==1) return oStringList[0];var camelizedString=this.indexOf('-')==0?oStringList[0].charAt(0).toUpperCase()+oStringList[0].substring(1):oStringList[0];for(var i=1,length=oStringList.length;i<length;i++){var s=oStringList[i];camelizedString+=s.charAt(0).toUpperCase()+s.substring(1)}
return camelizedString},inspect: function(useDoubleQuotes){var escapedString=this.replace(/\\/g,'\\\\');if(useDoubleQuotes)
return '"'+escapedString.replace(/"/g, '\\"') + '"';else
return "'"+escapedString.replace(/'/g, '\\\'')+"'"}});String.prototype.gsub.prepareReplacement=function(replacement){if(typeof replacement=='function') return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)}}
String.prototype.parseQuery=String.prototype.toQueryParams;var Template=Class.create();Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;Template.prototype={initialize: function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern},evaluate: function(object){return this.template.gsub(this.pattern, function(match){var before=match[1];if(before=='\\') return match[2];return before+(object[match[3]]||'').toString()})}}
var $break=new Object();var $continue=new Object();var Enumerable={each: function(iterator){var index=0;try{this._each(function(value){try{iterator(value,index++)} catch(e){if(e!=$continue) throw e}})} catch(e){if(e!=$break) throw e}
return this},eachSlice: function(number,iterator){var index=-number,slices=[],array=this.toArray();while((index+=number)<array.length)
slices.push(array.slice(index,index+number));return slices.collect(iterator||Prototype.K)},all: function(iterator){var result=true;this.each(function(value,index){result=result&&!!(iterator||Prototype.K)(value,index);if(!result) throw $break});return result},any: function(iterator){var result=false;this.each(function(value,index){if(result=!!(iterator||Prototype.K)(value,index))
throw $break});return result},collect: function(iterator){var results=[];this.each(function(value,index){results.push(iterator(value,index))});return results},detect: function(iterator){var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw $break}});return result},findAll: function(iterator){var results=[];this.each(function(value,index){if(iterator(value,index))
results.push(value)});return results},grep: function(pattern,iterator){var results=[];this.each(function(value,index){var stringValue=value.toString();if(stringValue.match(pattern))
results.push((iterator||Prototype.K)(value,index))})
return results},include: function(object){var found=false;this.each(function(value){if(value==object){found=true;throw $break}});return found},inGroupsOf: function(number,fillWith){fillWith=fillWith||null;var results=this.eachSlice(number);if(results.length>0)(number-results.last().length).times(function(){results.last().push(fillWith)});return results},inject: function(memo,iterator){this.each(function(value,index){memo=iterator(memo,value,index)});return memo},invoke: function(method){var args=$A(arguments).slice(1);return this.collect(function(value){return value[method].apply(value,args)})},max: function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value>=result)
result=value});return result},min: function(iterator){var result;this.each(function(value,index){value=(iterator||Prototype.K)(value,index);if(result==undefined||value<result)
result=value});return result},partition: function(iterator){var trues=[],falses=[];this.each(function(value,index){((iterator||Prototype.K)(value,index)?trues:falses).push(value)});return [trues,falses]},pluck: function(property){var results=[];this.each(function(value,index){results.push(value[property])});return results},reject: function(iterator){var results=[];this.each(function(value,index){if(!iterator(value,index))
results.push(value)});return results},sortBy: function(iterator){return this.collect(function(value,index){return{value:value,criteria:iterator(value,index)}}).sort(function(left,right){var a=left.criteria,b=right.criteria;return a<b?-1:a>b?1:0}).pluck('value')},toArray: function(){return this.collect(Prototype.K)},zip: function(){var iterator=Prototype.K,args=$A(arguments);if(typeof args.last()=='function')
iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index))})},inspect: function(){return '#<Enumerable:'+this.toArray().inspect()+'>'}}
Object.extend(Enumerable,{map:Enumerable.collect,find:Enumerable.detect,select:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray});var $A=Array.from=function(iterable){if(!iterable) return [];if(iterable.toArray){return iterable.toArray()} else{var results=[];for(var i=0,length=iterable.length;i<length;i++)
results.push(iterable[i]);return results}}
Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse)
Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each: function(iterator){for(var i=0,length=this.length;i<length;i++)
iterator(this[i])},clear: function(){this.length=0;return this},first: function(){return this[0]},last: function(){return this[this.length-1]},compact: function(){return this.select(function(value){return value!=undefined||value!=null})},flatten: function(){return this.inject([], function(array,value){return array.concat(value&&value.constructor==Array?value.flatten():[value])})},without: function(){var values=$A(arguments);return this.select(function(value){return!values.include(value)})},indexOf: function(object){for(var i=0,length=this.length;i<length;i++)
if(this[i]==object) return i;return-1},reverse: function(inline){return(inline!==false?this:this.toArray())._reverse()},reduce: function(){return this.length>1?this:this[0]},uniq: function(){return this.inject([], function(array,value){return array.include(value)?array:array.concat([value])})},clone: function(){return [].concat(this)},inspect: function(){return '['+this.map(Object.inspect).join(', ')+']'}});Array.prototype.toArray=Array.prototype.clone;var Hash={_each: function(iterator){for(var key in this){var value=this[key];if(typeof value=='function') continue;var pair=[key,value];pair.key=key;pair.value=value;iterator(pair)}},keys: function(){return this.pluck('key')},values: function(){return this.pluck('value')},merge: function(hash){return $H(hash).inject(this, function(mergedHash,pair){mergedHash[pair.key]=pair.value;return mergedHash})},toQueryString: function(){return this.map(function(pair){if(!pair.value&&pair.value!==0) pair[1]='';if(!pair.key) return;return pair.map(encodeURIComponent).join('=')}).join('&')},inspect: function(){return '#<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;while(this.include(value)){iterator(value);value=value.succ()}},include: function(value){if(value<this.start)
return false;if(this.exclusive)
return value<this.end;return value<=this.end}});var $R=function(start,end,exclusive){return new ObjectRange(start,end,exclusive)}
var Ajax={getTransport: function(){return Try.these(
function(){return new XMLHttpRequest()},
function(){return new ActiveXObject('Msxml2.XMLHTTP')},
function(){return new ActiveXObject('Microsoft.XMLHTTP')})||false},activeRequestCount:0}
Ajax.Responders={responders:[],_each: function(iterator){this.responders._each(iterator)},register: function(responder){if(!this.include(responder))
this.responders.push(responder)},unregister: function(responder){this.responders=this.responders.without(responder)},dispatch: function(callback,request,transport,json){this.each(function(responder){if(typeof responder[callback]=='function'){try{responder[callback].apply(responder,[request,transport,json])} catch(e){}}})}};Object.extend(Ajax.Responders,Enumerable);Ajax.Responders.register({onCreate: function(){Ajax.activeRequestCount++},onComplete: function(){Ajax.activeRequestCount--}});Ajax.Base=function(){};Ajax.Base.prototype={setOptions: function(options){this.options={method:'post',asynchronous:true,contentType:'application/x-www-form-urlencoded',encoding:'UTF-8',parameters:''}
Object.extend(this.options,options||{});this.options.method=this.options.method.toLowerCase();this.options.parameters=$H(typeof this.options.parameters=='string'?this.options.parameters.toQueryParams():this.options.parameters)}}
Ajax.Request=Class.create();Ajax.Request.Events=['Uninitialized','Loading','Loaded','Interactive','Complete'];Ajax.Request.prototype=Object.extend(new Ajax.Base(),{initialize: function(url,options){this.transport=Ajax.getTransport();this.setOptions(options);this.request(url)},request: function(url){var params=this.options.parameters;if(params.any()) params['_']='';if(!['get','post'].include(this.options.method)){params['_method']=this.options.method;this.options.method='post'}
this.url=url;if(this.options.method=='get'&&params.any())
this.url+=(this.url.indexOf('?')>=0?'&':'?')+params.toQueryString();try{Ajax.Responders.dispatch('onCreate',this,this.transport);this.transport.open(this.options.method.toUpperCase(),this.url,this.options.asynchronous,this.options.username,this.options.password);if(this.options.asynchronous)
setTimeout(function(){this.respondToReadyState(1)}.bind(this),10);this.transport.onreadystatechange=this.onStateChange.bind(this);this.setRequestHeaders();var body=this.options.method=='post'?(this.options.postBody||params.toQueryString()):null;this.transport.send(body);if(!this.options.asynchronous&&this.transport.overrideMimeType)
this.onStateChange()}
catch(e){this.dispatchException(e)}},onStateChange: function(){var readyState=this.transport.readyState;if(readyState>1)
this.respondToReadyState(this.transport.readyState)},setRequestHeaders: function(){var headers={'X-Requested-With':'XMLHttpRequest','X-Prototype-Version':Prototype.Version,'Accept':'text/javascript, text/html, application/xml, text/xml, */*'};if(this.options.method=='post'){headers['Content-type']=this.options.contentType+(this.options.encoding?'; charset='+this.options.encoding:'');if(this.transport.overrideMimeType&&(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005)
headers['Connection']='close'}
if(typeof this.options.requestHeaders=='object'){var extras=this.options.requestHeaders;if(typeof extras.push=='function')
for(var i=0;i<extras.length;i+=2)
headers[extras[i]]=extras[i+1];else
$H(extras).each(function(pair){headers[pair.key]=pair.value})}
for(var name in headers)
this.transport.setRequestHeader(name,headers[name])},success: function(){return!this.transport.status||(this.transport.status>=200&&this.transport.status<300)},respondToReadyState: function(readyState){var state=Ajax.Request.Events[readyState];var transport=this.transport,json=this.evalJSON();if(state=='Complete'){try{(this.options['on'+this.transport.status]||this.options['on'+(this.success()?'Success':'Failure')]||Prototype.emptyFunction)(transport,json)} catch(e){this.dispatchException(e)}}
try{(this.options['on'+state]||Prototype.emptyFunction)(transport,json);Ajax.Responders.dispatch('on'+state,this,transport,json)} catch(e){this.dispatchException(e)}
if(state=='Complete'){if((this.getHeader('Content-type')||'').strip().
match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
this.evalResponse();this.transport.onreadystatechange=Prototype.emptyFunction}},getHeader: function(name){try{return this.transport.getResponseHeader(name)} catch(e){return null}},evalJSON: function(){try{var json=this.getHeader('X-JSON');return json?eval('('+json+')'):null} catch(e){return null}},evalResponse: function(){try{return eval(this.transport.responseText)} catch(e){this.dispatchException(e)}},dispatchException: function(exception){(this.options.onException||Prototype.emptyFunction)(this,exception);Ajax.Responders.dispatch('onException',this,exception)}});Ajax.Updater=Class.create();Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize: function(container,url,options){this.container={success:(container.success||container),failure:(container.failure||(container.success?null:container))}
this.transport=Ajax.getTransport();this.setOptions(options);var onComplete=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(transport,param){this.updateContent();onComplete(transport,param)}).bind(this);this.request(url)},updateContent: function(){var receiver=this.container[this.success()?'success':'failure'];var response=this.transport.responseText;if(!this.options.evalScripts) response=response.stripScripts();if(receiver=$(receiver)){if(this.options.insertion)
new this.options.insertion(receiver,response);else
receiver.update(response)}
if(this.success()){if(this.onComplete)
setTimeout(this.onComplete.bind(this),10)}}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{initialize: function(container,url,options){this.setOptions(options);this.onComplete=this.options.onComplete;this.frequency=(this.options.frequency||2);this.decay=(this.options.decay||1);this.updater={};this.container=container;this.url=url;this.start()},start: function(){this.options.onComplete=this.updateComplete.bind(this);this.onTimerEvent()},stop: function(){this.updater.options.onComplete=undefined;clearTimeout(this.timer);(this.onComplete||Prototype.emptyFunction).apply(this,arguments)},updateComplete: function(request){if(this.options.decay){this.decay=(request.responseText==this.lastText?this.decay * this.options.decay:1);this.lastText=request.responseText}
this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay * this.frequency * 1000)},onTimerEvent: function(){this.updater=new Ajax.Updater(this.container,this.url,this.options)}});
function $(element){if(arguments.length>1){for(var i=0,elements=[],length=arguments.length;i<length;i++)
elements.push($(arguments[i]));return elements}
if(typeof element=='string')
element=document.getElementById(element);return Element.extend(element)}
if(Prototype.BrowserFeatures.XPath){document._getElementsByXPath=function(expression,parentElement){var results=[];var query=document.evaluate(expression,$(parentElement)||document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);for(var i=0,len=query.snapshotLength;i<len;i++)
results.push(query.snapshotItem(i));return results}}
document.getElementsByClassName=function(className,parentElement){if(Prototype.BrowserFeatures.XPath){var q=".//*[contains(concat(' ', @class, ' '), ' "+className+" ')]";return document._getElementsByXPath(q,parentElement)} else{var children=($(parentElement)||document.body).getElementsByTagName('*');var elements=[],child;for(var i=0,length=children.length;i<length;i++){child=children[i];if(Element.hasClassName(child,className))
elements.push(Element.extend(child))}
return elements}}
if(!window.Element)
var Element=new Object();Element.extend=function(element){if(!element) return;if(_nativeExtensions||element.nodeType==3) return element;if(!element._extended&&element.tagName&&element!=window){var methods=Object.clone(Element.Methods),cache=Element.extend.cache;if(element.tagName=='FORM')
Object.extend(methods,Form.Methods);if(['INPUT','TEXTAREA','SELECT'].include(element.tagName))
Object.extend(methods,Form.Element.Methods);for(var property in methods){var value=methods[property];if(typeof value=='function')
element[property]=cache.findOrStore(value)}
var methods=Object.clone(Element.Methods.Simulated),cache=Element.extend.cache;for(var property in methods){var value=methods[property];if('function'==typeof value&&!(property in element))
element[property]=cache.findOrStore(value)}}
element._extended=true;return element}
Element.extend.cache={findOrStore: function(value){return this[value]=this[value]|| function(){return value.apply(null,[this].concat($A(arguments)))}}}
Element.Methods={visible: function(element){return $(element).style.display!='none'},toggle: function(element){element=$(element);Element[Element.visible(element)?'hide':'show'](element);return element},hide: function(element){$(element).style.display='none';return element},show: function(element){$(element).style.display='';return element},remove: function(element){element=$(element);element.parentNode.removeChild(element);return element},update: function(element,html){html=typeof html=='undefined'?'':html.toString();$(element).innerHTML=html.stripScripts();setTimeout(function(){html.evalScripts()},10);return element},replace: function(element,html){element=$(element);if(element.outerHTML){element.outerHTML=html.stripScripts()} else{var range=element.ownerDocument.createRange();range.selectNodeContents(element);element.parentNode.replaceChild(range.createContextualFragment(html.stripScripts()),element)}
setTimeout(function(){html.evalScripts()},10);return element},inspect: function(element){element=$(element);var result='<'+element.tagName.toLowerCase();$H({'id':'id','className':'class'}).each(function(pair){var property=pair.first(),attribute=pair.last();var value=(element[property]||'').toString();if(value) result+=' '+attribute+'='+value.inspect(true)});return result+'>'},recursivelyCollect: function(element,property){element=$(element);var elements=[];while(element=element[property])
if(element.nodeType==1)
elements.push(Element.extend(element));return elements},ancestors: function(element){return $(element).recursivelyCollect('parentNode')},descendants: function(element){element=$(element);return $A(element.getElementsByTagName('*'))},previousSiblings: function(element){return $(element).recursivelyCollect('previousSibling')},nextSiblings: function(element){return $(element).recursivelyCollect('nextSibling')},siblings: function(element){element=$(element);return element.previousSiblings().reverse().concat(element.nextSiblings())},match: function(element,selector){element=$(element);if(typeof selector=='string')
selector=new Selector(selector);return selector.match(element)},up: function(element,expression,index){return Selector.findElement($(element).ancestors(),expression,index)},down: function(element,expression,index){return Selector.findElement($(element).descendants(),expression,index)},previous: function(element,expression,index){return Selector.findElement($(element).previousSiblings(),expression,index)},next: function(element,expression,index){return Selector.findElement($(element).nextSiblings(),expression,index)},getElementsBySelector: function(){var args=$A(arguments),element=$(args.shift());return Selector.findChildElements(element,args)},getElementsByClassName: function(element,className){element=$(element);return document.getElementsByClassName(className,element)},getHeight: function(element){element=$(element);return element.offsetHeight},classNames: function(element){return new Element.ClassNames(element)},hasClassName: function(element,className){if(!(element=$(element))) return;var elementClassName=element.className;if(elementClassName.length==0) return false;if(elementClassName==className||elementClassName.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))
return true;return false},addClassName: function(element,className){if(!(element=$(element))) return;Element.classNames(element).add(className);return element},removeClassName: function(element,className){if(!(element=$(element))) return;Element.classNames(element).remove(className);return element},observe: function(){Event.observe.apply(Event,arguments);return $A(arguments).first()},stopObserving: function(){Event.stopObserving.apply(Event,arguments);return $A(arguments).first()},cleanWhitespace: function(element){element=$(element);var node=element.firstChild;while(node){var nextNode=node.nextSibling;if(node.nodeType==3&&!/\S/.test(node.nodeValue))
element.removeChild(node);node=nextNode}
return element},empty: function(element){return $(element).innerHTML.match(/^\s*$/)},childOf: function(element,ancestor){element=$(element),ancestor=$(ancestor);while(element=element.parentNode)
if(element==ancestor) return true;return false},scrollTo: function(element){element=$(element);var x=element.x?element.x:element.offsetLeft,y=element.y?element.y:element.offsetTop;window.scrollTo(x,y);return element},getStyle: function(element,style){element=$(element);var value=element.style[style.camelize()];if(!value){if(document.defaultView&&document.defaultView.getComputedStyle){var css=document.defaultView.getComputedStyle(element,null);value=css?css.getPropertyValue(style):null} else if(element.currentStyle){value=element.currentStyle[style.camelize()]}}
if(window.opera&&['left','top','right','bottom'].include(style))
if(Element.getStyle(element,'position')=='static') value='auto';return value=='auto'?null:value},setStyle: function(element,style){element=$(element);for(var name in style)
element.style[name.camelize()]=style[name];return element},getDimensions: function(element){element=$(element);if(Element.getStyle(element,'display')!='none')
return{width:element.offsetWidth,height:element.offsetHeight};var els=element.style;var originalVisibility=els.visibility;var originalPosition=els.position;els.visibility='hidden';els.position='absolute';els.display='';var originalWidth=element.clientWidth;var originalHeight=element.clientHeight;els.display='none';els.position=originalPosition;els.visibility=originalVisibility;return{width:originalWidth,height:originalHeight}},makePositioned: function(element){element=$(element);var pos=Element.getStyle(element,'position');if(pos=='static'||!pos){element._madePositioned=true;element.style.position='relative';if(window.opera){element.style.top=0;element.style.left=0}}
return element},undoPositioned: function(element){element=$(element);if(element._madePositioned){element._madePositioned=undefined;element.style.position=element.style.top=element.style.left=element.style.bottom=element.style.right=''}
return element},makeClipping: function(element){element=$(element);if(element._overflow) return element;element._overflow=element.style.overflow||'auto';if((Element.getStyle(element,'overflow')||'visible')!='hidden')
element.style.overflow='hidden';return element},undoClipping: function(element){element=$(element);if(!element._overflow) return element;element.style.overflow=element._overflow=='auto'?'':element._overflow;element._overflow=null;return element}}
Element.Methods.Simulated={hasAttribute: function(element,attribute){return $(element).getAttributeNode(attribute).specified}}
if(document.all){Element.Methods.update=function(element,html){element=$(element);html=typeof html=='undefined'?'':html.toString();var tagName=element.tagName.toUpperCase();if(['THEAD','TBODY','TR','TD'].indexOf(tagName)>-1){var div=document.createElement('div');switch(tagName){case 'THEAD':case 'TBODY':div.innerHTML='<table><tbody>'+html.stripScripts()+'</tbody></table>';depth=2;break;case 'TR':div.innerHTML='<table><tbody><tr>'+html.stripScripts()+'</tr></tbody></table>';depth=3;break;case 'TD':div.innerHTML='<table><tbody><tr><td>'+html.stripScripts()+'</td></tr></tbody></table>';depth=4}
$A(element.childNodes).each(function(node){element.removeChild(node)});depth.times(function(){div=div.firstChild});$A(div.childNodes).each(
function(node){element.appendChild(node)})} else{element.innerHTML=html.stripScripts()}
setTimeout(function(){html.evalScripts()},10);return element}}
Object.extend(Element,Element.Methods);var _nativeExtensions=false;if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
['','Form','Input','TextArea','Select'].each(function(tag){var className='HTML'+tag+'Element';if(window[className]) return;var klass=window[className]={};klass.prototype=document.createElement(tag?tag.toLowerCase():'div').__proto__});Element.addMethods=function(methods){Object.extend(Element.Methods,methods||{});
function copy(methods,destination,onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;var cache=Element.extend.cache;for(var property in methods){var value=methods[property];if(!onlyIfAbsent||!(property in destination))
destination[property]=cache.findOrStore(value)}}
if(typeof HTMLElement!='undefined'){copy(Element.Methods,HTMLElement.prototype);copy(Element.Methods.Simulated,HTMLElement.prototype,true);copy(Form.Methods,HTMLFormElement.prototype);[HTMLInputElement,HTMLTextAreaElement,HTMLSelectElement].each(function(klass){copy(Form.Element.Methods,klass.prototype)});_nativeExtensions=true}}
var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(adjacency){this.adjacency=adjacency}
Abstract.Insertion.prototype={initialize: function(element,content){this.element=$(element);this.content=content.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content)} catch(e){var tagName=this.element.tagName.toLowerCase();if(tagName=='tbody'||tagName=='tr'){this.insertContent(this.contentFromAnonymousTable())} else{throw e}}} else{this.range=this.element.ownerDocument.createRange();if(this.initializeRange) this.initializeRange();this.insertContent([this.range.createContextualFragment(this.content)])}
setTimeout(function(){content.evalScripts()},10)},contentFromAnonymousTable: function(){var div=document.createElement('div');div.innerHTML='<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($A(this).concat(classNameToAdd).join(' '))},remove: function(classNameToRemove){if(!this.include(classNameToRemove)) return;this.set($A(this).without(classNameToRemove).join(' '))},toString: function(){return $A(this).join(' ')}}
Object.extend(Element.ClassNames.prototype,Enumerable);var Selector=Class.create();Selector.prototype={initialize: function(expression){this.params={classNames:[]};this.expression=expression.toString().strip();this.parseExpression();this.compileMatcher()},parseExpression: function(){
function abort(message){throw 'Parse error in selector: '+message}
if(this.expression=='') abort('empty expression');var params=this.params,expr=this.expression,match,modifier,clause,rest;while(match=expr.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){params.attributes=params.attributes||[];params.attributes.push({name:match[2],operator:match[3],value:match[4]||match[5]||''});expr=match[1]}
if(expr=='*') return this.params.wildcard=true;while(match=expr.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){modifier=match[1],clause=match[2],rest=match[3];switch(modifier){case '#':params.id=clause;break;case '.':params.classNames.push(clause);break;case '':case undefined:params.tagName=clause.toUpperCase();break;default:abort(expr.inspect())}
expr=rest}
if(expr.length>0) abort(expr.inspect())},buildMatchExpression: function(){var params=this.params,conditions=[],clause;if(params.wildcard)
conditions.push('true');if(clause=params.id)
conditions.push('element.id == '+clause.inspect());if(clause=params.tagName)
conditions.push('element.tagName.toUpperCase() == '+clause.inspect());if((clause=params.classNames).length>0)
for(var i=0;i<clause.length;i++)
conditions.push('Element.hasClassName(element, '+clause[i].inspect()+')');if(clause=params.attributes){clause.each(function(attribute){var value='element.getAttribute('+attribute.name.inspect()+')';var splitValueBy=function(delimiter){return value+' && '+value+'.split('+delimiter.inspect()+')'}
switch(attribute.operator){case '=':conditions.push(value+' == '+attribute.value.inspect());break;case '~=':conditions.push(splitValueBy(' ')+'.include('+attribute.value.inspect()+')');break;case '|=':conditions.push(splitValueBy('-')+'.first().toUpperCase() == '+attribute.value.toUpperCase().inspect());break;case '!=':conditions.push(value+' != '+attribute.value.inspect());break;case '':case undefined:conditions.push(value+' != null');break;default:throw 'Unknown operator '+attribute.operator+' in selector'}})}
return conditions.join(' && ')},compileMatcher: function(){this.match=new Function('element','if(!element.tagName) return false;\
return '+this.buildMatchExpression())},findElements: function(scope){var element;if(element=$(this.params.id))
if(this.match(element))
if(!scope||Element.childOf(element,scope))
return [element];scope=(scope||document).getElementsByTagName(this.params.tagName||'*');var results=[];for(var i=0,length=scope.length;i<length;i++)
if(this.match(element=scope[i]))
results.push(Element.extend(element));return results},toString: function(){return this.expression}}
Object.extend(Selector,{matchElements: function(elements,expression){var selector=new Selector(expression);return elements.select(selector.match.bind(selector)).collect(Element.extend)},findElement: function(elements,expression,index){if(typeof expression=='number') index=expression,expression=false;return Selector.matchElements(elements,expression||'*')[index||0]},findChildElements: function(element,expressions){return expressions.map(function(expression){return expression.strip().split(/\s+/).inject([null], function(results,expr){var selector=new Selector(expr);return results.inject([], function(elements,result){return elements.concat(selector.findElements(result||element))})})}).flatten()}});
function $$(){return Selector.findChildElements(document,$A(arguments))}
var Form={reset: function(form){$(form).reset();return form},serializeElements: function(elements){return elements.inject([], function(queryComponents,element){var queryComponent=Form.Element.serialize(element);if(queryComponent) queryComponents.push(queryComponent);return queryComponents}).join('&')}};Form.Methods={serialize: function(form){return Form.serializeElements($(form).getElements())},getElements: function(form){return $A($(form).getElementsByTagName('*')).inject([],
function(elements,child){if(Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));return elements})},getInputs: function(form,typeName,name){form=$(form);var inputs=form.getElementsByTagName('input');if(!typeName&&!name)
return inputs;var matchingInputs=new Array();for(var i=0,length=inputs.length;i<length;i++){var input=inputs[i];if((typeName&&input.type!=typeName)||(name&&input.name!=name))
continue;matchingInputs.push(Element.extend(input))}
return matchingInputs},disable: function(form){form=$(form);form.getElements().each(function(element){element.blur();element.disabled='true'});return form},enable: function(form){form=$(form);form.getElements().each(function(element){element.disabled=''});return form},findFirstElement: function(form){return $(form).getElements().find(function(element){return element.type!='hidden'&&!element.disabled&&['input','select','textarea'].include(element.tagName.toLowerCase())})},focusFirstElement: function(form){form=$(form);form.findFirstElement().activate();return form}}
Object.extend(Form,Form.Methods);Form.Element={focus: function(element){$(element).focus();return element},select: function(element){$(element).select();return element}}
Form.Element.Methods={serialize: function(element){element=$(element);if(element.disabled) return '';var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter){var key=encodeURIComponent(parameter[0]);if(key.length==0) return;if(parameter[1].constructor!=Array)
parameter[1]=[parameter[1]];return parameter[1].map(function(value){return key+'='+encodeURIComponent(value)}).join('&')}},getValue: function(element){element=$(element);var method=element.tagName.toLowerCase();var parameter=Form.Element.Serializers[method](element);if(parameter)
return parameter[1]},clear: function(element){$(element).value='';return element},present: function(element){return $(element).value!=''},activate: function(element){element=$(element);element.focus();if(element.select)
element.select();return element},disable: function(element){element=$(element);element.disabled=true;return element},enable: function(element){element=$(element);element.blur();element.disabled=false;return element}}
Object.extend(Form.Element,Form.Element.Methods);var Field=Form.Element;Form.Element.Serializers={input: function(element){switch(element.type.toLowerCase()){case 'checkbox':case 'radio':return Form.Element.Serializers.inputSelector(element);default:return Form.Element.Serializers.textarea(element)}
return false},inputSelector: function(element){if(element.checked)
return [element.name,element.value]},textarea: function(element){return [element.name,element.value]},select: function(element){return Form.Element.Serializers[element.type=='select-one'?'selectOne':'selectMany'](element)},selectOne: function(element){var value='',opt,index=element.selectedIndex;if(index>=0){opt=Element.extend(element.options[index]);value=opt.hasAttribute('value')?opt.value:opt.text}
return [element.name,value]},selectMany: function(element){var value=[];for(var i=0;i<element.length;i++){var opt=Element.extend(element.options[i]);if(opt.selected)
value.push(opt.hasAttribute('value')?opt.value:opt.text)}
return [element.name,value]}}
var $F=Form.Element.getValue;Abstract.TimedObserver=function(){}
Abstract.TimedObserver.prototype={initialize: function(element,frequency,callback){this.frequency=frequency;this.element=$(element);this.callback=callback;this.lastValue=this.getValue();this.registerCallback()},registerCallback: function(){setInterval(this.onTimerEvent.bind(this),this.frequency * 1000)},onTimerEvent: function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value}}}
Form.Element.Observer=Class.create();Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue: function(){return Form.Element.getValue(this.element)}});Form.Observer=Class.create();Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{getValue: function(){return Form.serialize(this.element)}});Abstract.EventObserver=function(){}
Abstract.EventObserver.prototype={initialize: function(element,callback){this.element=$(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();else
this.registerCallback(this.element)},onElementEvent: function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value}},registerFormCallbacks: function(){Form.getElements(this.element).each(this.registerCallback.bind(this))},registerCallback: function(element){if(element.type){switch(element.type.toLowerCase()){case 'checkbox':case 'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;default:Event.observe(element,'change',this.onElementEvent.bind(this));break}}}}
Form.Element.EventObserver=Class.create();Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue: function(){return Form.Element.getValue(this.element)}});Form.EventObserver=Class.create();Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{getValue: function(){return Form.serialize(this.element)}});if(!window.Event){var Event=new Object()}
Object.extend(Event,{KEY_BACKSPACE:8,KEY_TAB:9,KEY_RETURN:13,KEY_ESC:27,KEY_LEFT:37,KEY_UP:38,KEY_RIGHT:39,KEY_DOWN:40,KEY_DELETE:46,KEY_HOME:36,KEY_END:35,KEY_PAGEUP:33,KEY_PAGEDOWN:34,element: function(event){return event.target||event.srcElement},isLeftClick: function(event){return(((event.which)&&(event.which==1))||((event.button)&&(event.button==1)))},pointerX: function(event){return event.pageX||(event.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft))},pointerY: function(event){return event.pageY||(event.clientY+(document.documentElement.scrollTop||document.body.scrollTop))},stop: function(event){if(event.preventDefault){event.preventDefault();event.stopPropagation()} else{event.returnValue=false;event.cancelBubble=true}},findElement: function(event,tagName){var element=Event.element(event);while(element.parentNode&&(!element.tagName||(element.tagName.toUpperCase()!=tagName.toUpperCase())))
element=element.parentNode;return element},observers:false,_observeAndCache: function(element,name,observer,useCapture){if(!this.observers) this.observers=[];if(element.addEventListener){this.observers.push([element,name,observer,useCapture]);element.addEventListener(name,observer,useCapture)} else if(element.attachEvent){this.observers.push([element,name,observer,useCapture]);element.attachEvent('on'+name,observer)}},unloadCache: function(){if(!Event.observers) return;for(var i=0,length=Event.observers.length;i<length;i++){Event.stopObserving.apply(this,Event.observers[i]);Event.observers[i][0]=null}
Event.observers=false},observe: function(element,name,observer,useCapture){element=$(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.attachEvent))
name='keydown';Event._observeAndCache(element,name,observer,useCapture)},stopObserving: function(element,name,observer,useCapture){element=$(element);useCapture=useCapture||false;if(name=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||element.detachEvent))
name='keydown';if(element.removeEventListener){element.removeEventListener(name,observer,useCapture)} else if(element.detachEvent){try{element.detachEvent('on'+name,observer)} catch(e){}}}});if(navigator.appVersion.match(/\bMSIE\b/))
Event.observe(window,'unload',Event.unloadCache,false);var Position={includeScrollOffsets:false,prepare: function(){this.deltaX=window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft||0;this.deltaY=window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop||0},realOffset: function(element){var valueT=0,valueL=0;do{valueT+=element.scrollTop||0;valueL+=element.scrollLeft||0;element=element.parentNode} while(element);return [valueL,valueT]},cumulativeOffset: function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent} while(element);return [valueL,valueT]},positionedOffset: function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;element=element.offsetParent;if(element){if(element.tagName=='BODY') break;var p=Element.getStyle(element,'position');if(p=='relative'||p=='absolute') break}} while(element);return [valueL,valueT]},offsetParent: function(element){if(element.offsetParent) return element.offsetParent;if(element==document.body) return element;while((element=element.parentNode)&&element!=document.body)
if(Element.getStyle(element,'position')!='static')
return element;return document.body},within: function(element,x,y){if(this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element,x,y);this.xcomp=x;this.ycomp=y;this.offset=this.cumulativeOffset(element);return(y>=this.offset[1]&&y<this.offset[1]+element.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+element.offsetWidth)},withinIncludingScrolloffsets: function(element,x,y){var offsetcache=this.realOffset(element);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=this.cumulativeOffset(element);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+element.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+element.offsetWidth)},overlap: function(mode,element){if(!mode) return 0;if(mode=='vertical')
return((this.offset[1]+element.offsetHeight)-this.ycomp)/element.offsetHeight;if(mode=='horizontal')
return((this.offset[0]+element.offsetWidth)-this.xcomp)/element.offsetWidth},page: function(forElement){var valueT=0,valueL=0;var element=forElement;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute') break} while(element=element.offsetParent);element=forElement;do{if(!window.opera||element.tagName=='BODY'){valueT-=element.scrollTop||0;valueL-=element.scrollLeft||0}} while(element=element.parentNode);return [valueL,valueT]},clone: function(source,target){var options=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{})
source=$(source);var p=Position.page(source);target=$(target);var delta=[0,0];var parent=null;if(Element.getStyle(target,'position')=='absolute'){parent=Position.offsetParent(target);delta=Position.page(parent)}
if(parent==document.body){delta[0]-=document.body.offsetLeft;delta[1]-=document.body.offsetTop}
if(options.setLeft) target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';if(options.setTop) target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';if(options.setWidth) target.style.width=source.offsetWidth+'px';if(options.setHeight) target.style.height=source.offsetHeight+'px'},absolutize: function(element){element=$(element);if(element.style.position=='absolute') return;Position.prepare();var offsets=Position.positionedOffset(element);var top=offsets[1];var left=offsets[0];var width=element.clientWidth;var height=element.clientHeight;element._originalLeft=left-parseFloat(element.style.left||0);element._originalTop=top-parseFloat(element.style.top||0);element._originalWidth=element.style.width;element._originalHeight=element.style.height;element.style.position='absolute';element.style.top=top+'px';element.style.left=left+'px';element.style.width=width+'px';element.style.height=height+'px'},relativize: function(element){element=$(element);if(element.style.position=='relative') return;Position.prepare();element.style.position='relative';var top=parseFloat(element.style.top||0)-(element._originalTop||0);var left=parseFloat(element.style.left||0)-(element._originalLeft||0);element.style.top=top+'px';element.style.left=left+'px';element.style.height=element._originalHeight;element.style.width=element._originalWidth}}
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute') break;element=element.offsetParent} while(element);return [valueL,valueT]}}
Element.addMethods();