var Prototype={Version:'1.4.0',ScriptFragment:'(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',emptyFunction:function(){},K:function(a){return a}};var Class={create:function(){return function(){this.initialize.apply(this,arguments)}}};var Abstract=new Object();Object.extend=function(a,b){for(property in b){a[property]=b[property]}return a};Object.inspect=function(a){try{if(a==undefined)return'undefined';if(a==null)return'null';return a.inspect?a.inspect():a.toString()}catch(e){if(e instanceof RangeError)return'...';throw e;}};Function.prototype.bind=function(){var a=this,args=$A(arguments),object=args.shift();return function(){return a.apply(object,args.concat($A(arguments)))}};Function.prototype.bindAsEventListener=function(b){var c=this;return function(a){return c.call(b,a||window.event)}};Object.extend(Number.prototype,{toColorPart:function(){var a=this.toString(16);if(this<16)return'0'+a;return a},succ:function(){return this+1},times:function(a){$R(0,this,true).each(a);return this}});var Try={these:function(){var a;for(var i=0;i<arguments.length;i++){var b=arguments[i];try{a=b();break}catch(e){}}return a}};var PeriodicalExecuter=Class.create();PeriodicalExecuter.prototype={initialize:function(a,b){this.callback=a;this.frequency=b;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 $(){var a=new Array();for(var i=0;i<arguments.length;i++){var b=arguments[i];if(typeof b=='string')b=document.getElementById(b);if(arguments.length==1)return b;a.push(b)}return a}Object.extend(String.prototype,{stripTags:function(){return this.replace(/<\/?[^>]+>/gi,'')},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'')},extractScripts:function(){var b=new RegExp(Prototype.ScriptFragment,'img');var c=new RegExp(Prototype.ScriptFragment,'im');return(this.match(b)||[]).map(function(a){return(a.match(c)||['',''])[1]})},evalScripts:function(){return this.extractScripts().map(eval)},escapeHTML:function(){var a=document.createElement('div');var b=document.createTextNode(this);a.appendChild(b);return a.innerHTML},unescapeHTML:function(){var a=document.createElement('div');a.innerHTML=this.stripTags();return a.childNodes[0]?a.childNodes[0].nodeValue:''},toQueryParams:function(){var d=this.match(/^\??(.*)$/)[1].split('&');return d.inject({},function(a,b){var c=b.split('=');a[c[0]]=c[1];return a})},toArray:function(){return this.split('')},camelize:function(){var a=this.split('-');if(a.length==1)return a[0];var b=this.indexOf('-')==0?a[0].charAt(0).toUpperCase()+a[0].substring(1):a[0];for(var i=1,len=a.length;i<len;i++){var s=a[i];b+=s.charAt(0).toUpperCase()+s.substring(1)}return b},inspect:function(){return"'"+this.replace('\\','\\\\').replace("'",'\\\'')+"'"}});String.prototype.parseQuery=String.prototype.toQueryParams;var $break=new Object();var $continue=new Object();var Enumerable={each:function(b){var c=0;try{this._each(function(a){try{b(a,c++)}catch(e){if(e!=$continue)throw e;}})}catch(e){if(e!=$break)throw e;}},all:function(c){var d=true;this.each(function(a,b){d=d&&!!(c||Prototype.K)(a,b);if(!d)throw $break;});return d},any:function(c){var d=true;this.each(function(a,b){if(d=!!(c||Prototype.K)(a,b))throw $break;});return d},collect:function(c){var d=[];this.each(function(a,b){d.push(c(a,b))});return d},detect:function(c){var d;this.each(function(a,b){if(c(a,b)){d=a;throw $break;}});return d},findAll:function(c){var d=[];this.each(function(a,b){if(c(a,b))d.push(a)});return d},grep:function(d,e){var f=[];this.each(function(a,b){var c=a.toString();if(c.match(d))f.push((e||Prototype.K)(a,b))});return f},include:function(b){var c=false;this.each(function(a){if(a==b){c=true;throw $break;}});return c},inject:function(c,d){this.each(function(a,b){c=d(c,a,b)});return c},invoke:function(b){var c=$A(arguments).slice(1);return this.collect(function(a){return a[b].apply(a,c)})},max:function(c){var d;this.each(function(a,b){a=(c||Prototype.K)(a,b);if(a>=(d||a))d=a});return d},min:function(c){var d;this.each(function(a,b){a=(c||Prototype.K)(a,b);if(a<=(d||a))d=a});return d},partition:function(c){var d=[],falses=[];this.each(function(a,b){((c||Prototype.K)(a,b)?d:falses).push(a)});return[d,falses]},pluck:function(c){var d=[];this.each(function(a,b){d.push(a[c])});return d},reject:function(c){var d=[];this.each(function(a,b){if(!c(a,b))d.push(a)});return d},sortBy:function(e){return this.collect(function(a,b){return{value:a,criteria:e(a,b)}}).sort(function(c,d){var a=c.criteria,b=d.criteria;return a<b?-1:a>b?1:0}).pluck('value')},toArray:function(){return this.collect(Prototype.K)},zip:function(){var c=Prototype.K,args=$A(arguments);if(typeof args.last()=='function')c=args.pop();var d=[this].concat(args).map($A);return this.map(function(a,b){c(a=d.pluck(b));return a})},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 $A=Array.from=function(a){if(!a)return[];if(a.toArray){return a.toArray()}else{var b=[];for(var i=0;i<a.length;i++)b.push(a[i]);return b}};Object.extend(Array.prototype,Enumerable);Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(a){for(var i=0;i<this.length;i++)a(this[i])},clear:function(){this.length=0;return this},first:function(){return this[0]},last:function(){return this[this.length-1]},compact:function(){return this.select(function(a){return a!=undefined||a!=null})},flatten:function(){return this.inject([],function(a,b){return a.concat(b.constructor==Array?b.flatten():[b])})},without:function(){var b=$A(arguments);return this.select(function(a){return!b.include(a)})},indexOf:function(a){for(var i=0;i<this.length;i++)if(this[i]==a)return i;return-1},reverse:function(a){return(a!==false?this:this.toArray())._reverse()},shift:function(){var a=this[0];for(var i=0;i<this.length-1;i++)this[i]=this[i+1];this.length--;return a},inspect:function(){return'['+this.map(Object.inspect).join(', ')+']'}});var Hash={_each:function(a){for(key in this){var b=this[key];if(typeof b=='function')continue;var c=[key,b];c.key=key;c.value=b;a(c)}},keys:function(){return this.pluck('key')},values:function(){return this.pluck('value')},merge:function(c){return $H(c).inject($H(this),function(a,b){a[b.key]=b.value;return a})},toQueryString:function(){return this.map(function(a){return a.map(encodeURIComponent).join('=')}).join('&')},inspect:function(){return'#<Hash:{'+this.map(function(a){return a.map(Object.inspect).join(': ')}).join(', ')+'}>'}};function $H(a){var b=Object.extend({},a||{});Object.extend(b,Enumerable);Object.extend(b,Hash);return b}ObjectRange=Class.create();Object.extend(ObjectRange.prototype,Enumerable);Object.extend(ObjectRange.prototype,{initialize:function(a,b,c){this.start=a;this.end=b;this.exclusive=c},_each:function(a){var b=this.start;do{a(b);b=b.succ()}while(this.include(b))},include:function(a){if(a<this.start)return false;if(this.exclusive)return a<this.end;return a<=this.end}});var $R=function(a,b,c){return new ObjectRange(a,b,c)};var Ajax={getTransport:function(){return Try.these(function(){return new ActiveXObject('Msxml2.XMLHTTP')},function(){return new ActiveXObject('Microsoft.XMLHTTP')},function(){return new 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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(a,b){this.transport=Ajax.getTransport();this.setOptions(b);this.request(a)},request:function(a){var b=this.options.parameters||'';if(b.length>0)b+='&_=';try{this.url=a;if(this.options.method=='get'&&b.length>0)this.url+=(this.url.match(/\?/)?'&':'?')+b;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 c=this.options.postBody?this.options.postBody:b;this.transport.send(this.options.method=='post'?c:null)}catch(e){this.dispatchException(e)}},setRequestHeaders:function(){var a=['X-Requested-With','XMLHttpRequest','X-Prototype-Version',Prototype.Version];if(this.options.method=='post'){a.push('Content-type','application/x-www-form-urlencoded');if(this.transport.overrideMimeType)a.push('Connection','close')}if(this.options.requestHeaders)a.push.apply(a,this.options.requestHeaders);for(var i=0;i<a.length;i+=2)this.transport.setRequestHeader(a[i],a[i+1])},onStateChange:function(){var a=this.transport.readyState;if(a!=1)this.respondToReadyState(this.transport.readyState)},header:function(a){try{return this.transport.getResponseHeader(a)}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(a){var b=Ajax.Request.Events[a];var c=this.transport,json=this.evalJSON();if(b=='Complete'){try{(this.options['on'+this.transport.status]||this.options['on'+(this.responseIsSuccess()?'Success':'Failure')]||Prototype.emptyFunction)(c,json)}catch(e){this.dispatchException(e)}if((this.header('Content-type')||'').match(/^text\/javascript/i))this.evalResponse()}try{(this.options['on'+b]||Prototype.emptyFunction)(c,json);Ajax.Responders.dispatch('on'+b,this,c,json)}catch(e){this.dispatchException(e)}if(b=='Complete')this.transport.onreadystatechange=Prototype.emptyFunction},dispatchException:function(a){(this.options.onException||Prototype.emptyFunction)(this,a);Ajax.Responders.dispatch('onException',this,a)}});Ajax.Updater=Class.create();Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize:function(c,d,e){this.containers={success:c.success?$(c.success):$(c),failure:c.failure?$(c.failure):(c.success?null:$(c))};this.transport=Ajax.getTransport();this.setOptions(e);var f=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(a,b){this.updateContent();f(a,b)}).bind(this);this.request(d)},updateContent:function(){var a=this.responseIsSuccess()?this.containers.success:this.containers.failure;var b=this.transport.responseText;if(!this.options.evalScripts)b=b.stripScripts();if(a){if(this.options.insertion){new this.options.insertion(a,b)}else{Element.update(a,b)}}if(this.responseIsSuccess()){if(this.onComplete)setTimeout(this.onComplete.bind(this),10)}}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{initialize:function(a,b,c){this.setOptions(c);this.onComplete=this.options.onComplete;this.frequency=(this.options.frequency||2);this.decay=(this.options.decay||1);this.updater={};this.container=a;this.url=b;this.start()},start:function(){this.options.onComplete=this.updateComplete.bind(this);this.onTimerEvent()},stop:function(){this.updater.onComplete=undefined;clearTimeout(this.timer);(this.onComplete||Prototype.emptyFunction).apply(this,arguments)},updateComplete:function(a){if(this.options.decay){this.decay=(a.responseText==this.lastText?this.decay*this.options.decay:1);this.lastText=a.responseText}this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay*this.frequency*1000)},onTimerEvent:function(){this.updater=new Ajax.Updater(this.container,this.url,this.options)}});document.getElementsByClassName=function(c,d){var e=($(d)||document.body).getElementsByTagName('*');return $A(e).inject([],function(a,b){if(b.className.match(new RegExp("(^|\\s)"+c+"(\\s|$)")))a.push(b);return a})};if(!window.Element){var Element=new Object()}Object.extend(Element,{visible:function(a){return $(a).style.display!='none'},toggle:function(){for(var i=0;i<arguments.length;i++){var a=$(arguments[i]);Element[Element.visible(a)?'hide':'show'](a)}},hide:function(){for(var i=0;i<arguments.length;i++){var a=$(arguments[i]);a.style.display='none'}},show:function(){for(var i=0;i<arguments.length;i++){var a=$(arguments[i]);a.style.display=''}},remove:function(a){a=$(a);a.parentNode.removeChild(a)},update:function(a,b){$(a).innerHTML=b.stripScripts();setTimeout(function(){b.evalScripts()},10)},getHeight:function(a){a=$(a);return a.offsetHeight},classNames:function(a){return new Element.ClassNames(a)},hasClassName:function(a,b){if(!(a=$(a)))return;return Element.classNames(a).include(b)},addClassName:function(a,b){if(!(a=$(a)))return;return Element.classNames(a).add(b)},removeClassName:function(a,b){if(!(a=$(a)))return;return Element.classNames(a).remove(b)},cleanWhitespace:function(a){a=$(a);for(var i=0;i<a.childNodes.length;i++){var b=a.childNodes[i];if(b.nodeType==3&&!/\S/.test(b.nodeValue))Element.remove(b)}},empty:function(a){return $(a).innerHTML.match(/^\s*$/)},scrollTo:function(a){a=$(a);var x=a.x?a.x:a.offsetLeft,y=a.y?a.y:a.offsetTop;window.scrollTo(x,y)},getStyle:function(a,b){a=$(a);var c=a.style[b.camelize()];if(!c){if(document.defaultView&&document.defaultView.getComputedStyle){var d=document.defaultView.getComputedStyle(a,null);c=d?d.getPropertyValue(b):null}else if(a.currentStyle){c=a.currentStyle[b.camelize()]}}if(window.opera&&['left','top','right','bottom'].include(b))if(Element.getStyle(a,'position')=='static')c='auto';return c=='auto'?null:c},setStyle:function(a,b){a=$(a);for(name in b)a.style[name.camelize()]=b[name]},getDimensions:function(a){a=$(a);if(Element.getStyle(a,'display')!='none')return{width:a.offsetWidth,height:a.offsetHeight};var b=a.style;var c=b.visibility;var d=b.position;b.visibility='hidden';b.position='absolute';b.display='';var e=a.clientWidth;var f=a.clientHeight;b.display='none';b.position=d;b.visibility=c;return{width:e,height:f}},makePositioned:function(a){a=$(a);var b=Element.getStyle(a,'position');if(b=='static'||!b){a._madePositioned=true;a.style.position='relative';if(window.opera){a.style.top=0;a.style.left=0}}},undoPositioned:function(a){a=$(a);if(a._madePositioned){a._madePositioned=undefined;a.style.position=a.style.top=a.style.left=a.style.bottom=a.style.right=''}},makeClipping:function(a){a=$(a);if(a._overflow)return;a._overflow=a.style.overflow;if((Element.getStyle(a,'overflow')||'visible')!='hidden')a.style.overflow='hidden'},undoClipping:function(a){a=$(a);if(a._overflow)return;a.style.overflow=a._overflow;a._overflow=undefined}});var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(a){this.adjacency=a};Abstract.Insertion.prototype={initialize:function(a,b){this.element=$(a);this.content=b.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(){b.evalScripts()},10)},contentFromAnonymousTable:function(){var a=document.createElement('div');a.innerHTML='<table><tbody>'+this.content+'</tbody></table>';return $A(a.childNodes[0].childNodes[0].childNodes)}};var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{initializeRange:function(){this.range.setStartBefore(this.element)},insertContent:function(b){b.each((function(a){this.element.parentNode.insertBefore(a,this.element)}).bind(this))}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true)},insertContent:function(b){b.reverse(false).each((function(a){this.element.insertBefore(a,this.element.firstChild)}).bind(this))}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element)},insertContent:function(b){b.each((function(a){this.element.appendChild(a)}).bind(this))}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{initializeRange:function(){this.range.setStartAfter(this.element)},insertContent:function(b){b.each((function(a){this.element.parentNode.insertBefore(a,this.element.nextSibling)}).bind(this))}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(a){this.element=$(a)},_each:function(b){this.element.className.split(/\s+/).select(function(a){return a.length>0})._each(b)},set:function(a){this.element.className=a},add:function(a){if(this.include(a))return;this.set(this.toArray().concat(a).join(' '))},remove:function(b){if(!this.include(b))return;this.set(this.select(function(a){return a!=b}).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++)$(arguments[i]).value=''},focus:function(a){$(a).focus()},present:function(){for(var i=0;i<arguments.length;i++)if($(arguments[i]).value=='')return false;return true},select:function(a){$(a).select()},activate:function(a){a=$(a);a.focus();if(a.select)a.select()}};var Form={serialize:function(a){var b=Form.getElements($(a));var c=new Array();for(var i=0;i<b.length;i++){var d=Form.Element.serialize(b[i]);if(d)c.push(d)}return c.join('&')},getElements:function(a){a=$(a);var b=new Array();for(tagName in Form.Element.Serializers){var c=a.getElementsByTagName(tagName);for(var j=0;j<c.length;j++)b.push(c[j])}return b},getInputs:function(a,b,c){a=$(a);var d=a.getElementsByTagName('input');if(!b&&!c)return d;var e=new Array();for(var i=0;i<d.length;i++){var f=d[i];if((b&&f.type!=b)||(c&&f.name!=c))continue;e.push(f)}return e},disable:function(a){var b=Form.getElements(a);for(var i=0;i<b.length;i++){var c=b[i];c.blur();c.disabled='true'}},enable:function(a){var b=Form.getElements(a);for(var i=0;i<b.length;i++){var c=b[i];c.disabled=''}},findFirstElement:function(b){return Form.getElements(b).find(function(a){return a.type!='hidden'&&!a.disabled&&['input','select','textarea'].include(a.tagName.toLowerCase())})},focusFirstElement:function(a){Field.activate(Form.findFirstElement(a))},reset:function(a){$(a).reset()}};Form.Element={serialize:function(b){b=$(b);var c=b.tagName.toLowerCase();var d=Form.Element.Serializers[c](b);if(d){var e=encodeURIComponent(d[0]);if(e.length==0)return;if(d[1].constructor!=Array)d[1]=[d[1]];return d[1].map(function(a){return e+'='+encodeURIComponent(a)}).join('&')}},getValue:function(a){a=$(a);var b=a.tagName.toLowerCase();var c=Form.Element.Serializers[b](a);if(c)return c[1]}};Form.Element.Serializers={input:function(a){switch(a.type.toLowerCase()){case'submit':case'hidden':case'password':case'text':return Form.Element.Serializers.textarea(a);case'checkbox':case'radio':return Form.Element.Serializers.inputSelector(a)}return false},inputSelector:function(a){if(a.checked)return[a.name,a.value]},textarea:function(a){return[a.name,a.value]},select:function(a){return Form.Element.Serializers[a.type=='select-one'?'selectOne':'selectMany'](a)},selectOne:function(a){var b='',opt,index=a.selectedIndex;if(index>=0){opt=a.options[index];b=opt.value;if(!b&&!('value'in opt))b=opt.text}return[a.name,b]},selectMany:function(a){var b=new Array();for(var i=0;i<a.length;i++){var c=a.options[i];if(c.selected){var d=c.value;if(!d&&!('value'in c))d=c.text;b.push(d)}}return[a.name,b]}};var $F=Form.Element.getValue;Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(a,b,c){this.frequency=b;this.element=$(a);this.callback=c;this.lastValue=this.getValue();this.registerCallback()},registerCallback:function(){setInterval(this.onTimerEvent.bind(this),this.frequency*1000)},onTimerEvent:function(){var a=this.getValue();if(this.lastValue!=a){this.callback(this.element,a);this.lastValue=a}}};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(a,b){this.element=$(a);this.callback=b;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')this.registerFormCallbacks();else this.registerCallback(this.element)},onElementEvent:function(){var a=this.getValue();if(this.lastValue!=a){this.callback(this.element,a);this.lastValue=a}},registerFormCallbacks:function(){var a=Form.getElements(this.element);for(var i=0;i<a.length;i++)this.registerCallback(a[i])},registerCallback:function(a){if(a.type){switch(a.type.toLowerCase()){case'checkbox':case'radio':Event.observe(a,'click',this.onElementEvent.bind(this));break;case'password':case'text':case'textarea':case'select-one':case'select-multiple':Event.observe(a,'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(a){return a.target||a.srcElement},isLeftClick:function(a){return(((a.which)&&(a.which==1))||((a.button)&&(a.button==1)))},pointerX:function(a){return a.pageX||(a.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft))},pointerY:function(a){return a.pageY||(a.clientY+(document.documentElement.scrollTop||document.body.scrollTop))},stop:function(a){if(a.preventDefault){a.preventDefault();a.stopPropagation()}else{a.returnValue=false;a.cancelBubble=true}},findElement:function(a,b){var c=Event.element(a);while(c.parentNode&&(!c.tagName||(c.tagName.toUpperCase()!=b.toUpperCase())))c=c.parentNode;return c},observers:false,_observeAndCache:function(a,b,c,d){if(!this.observers)this.observers=[];if(a.addEventListener){this.observers.push([a,b,c,d]);a.addEventListener(b,c,d)}else if(a.attachEvent){this.observers.push([a,b,c,d]);a.attachEvent('on'+b,c)}},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(a,b,c,d){var a=$(a);d=d||false;if(b=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||a.attachEvent))b='keydown';this._observeAndCache(a,b,c,d)},stopObserving:function(a,b,c,d){var a=$(a);d=d||false;if(b=='keypress'&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||a.detachEvent))b='keydown';if(a.removeEventListener){a.removeEventListener(b,c,d)}else if(a.detachEvent){a.detachEvent('on'+b,c)}}});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(a){var b=0,valueL=0;do{b+=a.scrollTop||0;valueL+=a.scrollLeft||0;a=a.parentNode}while(a);return[valueL,b]},cumulativeOffset:function(a){var b=0,valueL=0;do{b+=a.offsetTop||0;valueL+=a.offsetLeft||0;a=a.offsetParent}while(a);return[valueL,b]},positionedOffset:function(a){var b=0,valueL=0;do{b+=a.offsetTop||0;valueL+=a.offsetLeft||0;a=a.offsetParent;if(a){p=Element.getStyle(a,'position');if(p=='relative'||p=='absolute')break}}while(a);return[valueL,b]},offsetParent:function(a){if(a.offsetParent)return a.offsetParent;if(a==document.body)return a;while((a=a.parentNode)&&a!=document.body)if(Element.getStyle(a,'position')!='static')return a;return document.body},within:function(a,b,c){if(this.includeScrollOffsets)return this.withinIncludingScrolloffsets(a,b,c);this.xcomp=b;this.ycomp=c;this.offset=this.cumulativeOffset(a);return(c>=this.offset[1]&&c<this.offset[1]+a.offsetHeight&&b>=this.offset[0]&&b<this.offset[0]+a.offsetWidth)},withinIncludingScrolloffsets:function(a,b,c){var d=this.realOffset(a);this.xcomp=b+d[0]-this.deltaX;this.ycomp=c+d[1]-this.deltaY;this.offset=this.cumulativeOffset(a);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+a.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+a.offsetWidth)},overlap:function(a,b){if(!a)return 0;if(a=='vertical')return((this.offset[1]+b.offsetHeight)-this.ycomp)/b.offsetHeight;if(a=='horizontal')return((this.offset[0]+b.offsetWidth)-this.xcomp)/b.offsetWidth},clone:function(a,b){a=$(a);b=$(b);b.style.position='absolute';var c=this.cumulativeOffset(a);b.style.top=c[1]+'px';b.style.left=c[0]+'px';b.style.width=a.offsetWidth+'px';b.style.height=a.offsetHeight+'px'},page:function(a){var b=0,valueL=0;var c=a;do{b+=c.offsetTop||0;valueL+=c.offsetLeft||0;if(c.offsetParent==document.body)if(Element.getStyle(c,'position')=='absolute')break}while(c=c.offsetParent);c=a;do{b-=c.scrollTop||0;valueL-=c.scrollLeft||0}while(c=c.parentNode);return[valueL,b]},clone:function(a,b){var c=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});a=$(a);var p=Position.page(a);b=$(b);var d=[0,0];var e=null;if(Element.getStyle(b,'position')=='absolute'){e=Position.offsetParent(b);d=Position.page(e)}if(e==document.body){d[0]-=document.body.offsetLeft;d[1]-=document.body.offsetTop}if(c.setLeft)b.style.left=(p[0]-d[0]+c.offsetLeft)+'px';if(c.setTop)b.style.top=(p[1]-d[1]+c.offsetTop)+'px';if(c.setWidth)b.style.width=a.offsetWidth+'px';if(c.setHeight)b.style.height=a.offsetHeight+'px'},absolutize:function(a){a=$(a);if(a.style.position=='absolute')return;Position.prepare();var b=Position.positionedOffset(a);var c=b[1];var d=b[0];var e=a.clientWidth;var f=a.clientHeight;a._originalLeft=d-parseFloat(a.style.left||0);a._originalTop=c-parseFloat(a.style.top||0);a._originalWidth=a.style.width;a._originalHeight=a.style.height;a.style.position='absolute';a.style.top=c+'px';a.style.left=d+'px';a.style.width=e+'px';a.style.height=f+'px'},relativize:function(a){a=$(a);if(a.style.position=='relative')return;Position.prepare();a.style.position='relative';var b=parseFloat(a.style.top||0)-(a._originalTop||0);var c=parseFloat(a.style.left||0)-(a._originalLeft||0);a.style.top=b+'px';a.style.left=c+'px';a.style.height=a._originalHeight;a.style.width=a._originalWidth}};if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(a){var b=0,valueL=0;do{b+=a.offsetTop||0;valueL+=a.offsetLeft||0;if(a.offsetParent==document.body)if(Element.getStyle(a,'position')=='absolute')break;a=a.offsetParent}while(a);return[valueL,b]}}