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b=false;this.each(function(c){if(c==a){b=true;throw $break}});return b},inject:function(b,a){this.each(function(d,c){b=a(b,d,c)});return b},invoke:function(a){var b=$A(arguments).slice(1);return this.collect(function(c){return c[a].apply(c,b)})},max:function(a){var b;this.each(function(d,c){d=(a||Prototype.K)(d,c);if(d>=(b||d)){b=d}});return b},min:function(a){var b;this.each(function(d,c){d=(a||Prototype.K)(d,c);if(d<=(b||d)){b=d}});return b},partition:function(a){var b=[],c=[];this.each(function(e,d){((a||Prototype.K)(e,d)?b:c).push(e)});return[b,c]},pluck:function(a){var b=[];this.each(function(d,c){b.push(d[a])});return b},reject:function(a){var b=[];this.each(function(d,c){if(!a(d,c)){b.push(d)}});return b},sortBy:function(a){return this.collect(function(c,b){return{value:c,criteria:a(c,b)}}).sort(function(d,c){var f=d.criteria,e=c.criteria;return f<e?-1:f>e?1:0}).pluck("value")},toArray:function(){return this.collect(Prototype.K)},zip:function(){var a=Prototype.K,c=$A(arguments);if(typeof c.last()=="function"){a=c.pop()}var b=[this].concat(c).map($A);return this.map(function(e,d){a(e=b.pluck(d));return e})},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 $A=Array.from=function(c){if(!c){return[]}if(c.toArray){return c.toArray()}else{var b=[];for(var a=0;a<c.length;a++){b.push(c[a])}return b}};Object.extend(Array.prototype,Enumerable);Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each:function(a){for(var b=0;b<this.length;b++){a(this[b])}},clear:function(){this.length=0;return this},first:function(){return this[0]},last:function(){return this[this.length-1]},compact:function(){return this.select(function(a){return a!=undefined||a!=null})},flatten:function(){return this.inject([],function(a,b){return a.concat(b.constructor==Array?b.flatten():[b])})},without:function(){var a=$A(arguments);return this.select(function(b){return !a.include(b)})},indexOf:function(b){for(var a=0;a<this.length;a++){if(this[a]==b){return a}}return -1},reverse:function(a){return(a!==false?this:this.toArray())._reverse()},shift:function(){var b=this[0];for(var a=0;a<this.length-1;a++){this[a]=this[a+1]}this.length--;return b},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(a){return $H(a).inject($H(this),function(b,c){b[c.key]=c.value;return b})},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(c,b,a){this.start=c;this.end=b;this.exclusive=a},_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(c,b,a){return new ObjectRange(c,b,a)};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.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 d=this.options.parameters||"";if(d.length>0){d+="&_="}try{this.url=a;if(this.options.method=="get"&&d.length>0){this.url+=(this.url.match(/\?/)?"&":"?")+d}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 b=this.options.postBody?this.options.postBody:d;this.transport.send(this.options.method=="post"?b:null)}catch(c){this.dispatchException(c)}},setRequestHeaders:function(){var b=["X-Requested-With","XMLHttpRequest","X-Prototype-Version",Prototype.Version];if(this.options.method=="post"){b.push("Content-type","application/x-www-form-urlencoded");if(this.transport.overrideMimeType){b.push("Connection","close")}}if(this.options.requestHeaders){b.push.apply(b,this.options.requestHeaders)}for(var a=0;a<b.length;a+=2){this.transport.setRequestHeader(b[a],b[a+1])}},onStateChange:function(){var a=this.transport.readyState;if(a!=1){this.respondToReadyState(this.transport.readyState)}},header:function(b){try{return this.transport.getResponseHeader(b)}catch(a){}},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(c){var d=Ajax.Request.Events[c];var f=this.transport,b=this.evalJSON();if(d=="Complete"){try{(this.options["on"+this.transport.status]||this.options["on"+(this.responseIsSuccess()?"Success":"Failure")]||Prototype.emptyFunction)(f,b)}catch(a){this.dispatchException(a)}if((this.header("Content-type")||"").match(/^text\/javascript/i)){this.evalResponse()}}try{(this.options["on"+d]||Prototype.emptyFunction)(f,b);Ajax.Responders.dispatch("on"+d,this,f,b)}catch(a){this.dispatchException(a)}if(d=="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(d,b,c){this.containers={success:d.success?$(d.success):$(d),failure:d.failure?$(d.failure):(d.success?null:$(d))};this.transport=Ajax.getTransport();this.setOptions(c);var a=this.options.onComplete||Prototype.emptyFunction;this.options.onComplete=(function(f,e){this.updateContent();a(f,e)}).bind(this);this.request(b)},updateContent:function(){var a=this.responseIsSuccess()?this.containers.success:this.containers.failure;var b=this.transport.responseText;if(!this.options.evalScripts){b=b.stripScripts()}if(a){if(this.options.insertion){new this.options.insertion(a,b)}else{Element.update(a,b)}}if(this.responseIsSuccess()){if(this.onComplete){setTimeout(this.onComplete.bind(this),10)}}}});Ajax.PeriodicalUpdater=Class.create();Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{initialize:function(c,a,b){this.setOptions(b);this.onComplete=this.options.onComplete;this.frequency=(this.options.frequency||2);this.decay=(this.options.decay||1);this.updater={};this.container=c;this.url=a;this.start()},start:function(){this.options.onComplete=this.updateComplete.bind(this);this.onTimerEvent()},stop:function(){this.updater.onComplete=undefined;clearTimeout(this.timer);(this.onComplete||Prototype.emptyFunction).apply(this,arguments)},updateComplete:function(a){if(this.options.decay){this.decay=(a.responseText==this.lastText?this.decay*this.options.decay:1);this.lastText=a.responseText}this.timer=setTimeout(this.onTimerEvent.bind(this),this.decay*this.frequency*1000)},onTimerEvent:function(){this.updater=new Ajax.Updater(this.container,this.url,this.options)}});document.getElementsByClassName=function(a,b){var c=($(b)||document.body).getElementsByTagName("*");return $A(c).inject([],function(d,e){if(e.className.match(new 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e=c.position;c.visibility="hidden";c.position="absolute";c.display="";var f=d.clientWidth;var a=d.clientHeight;c.display="none";c.position=e;c.visibility=b;return{width:f,height:a}},makePositioned:function(b){b=$(b);var a=Element.getStyle(b,"position");if(a=="static"||!a){b._madePositioned=true;b.style.position="relative";if(window.opera){b.style.top=0;b.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=$(a);if(a._overflow){return}a.style.overflow=a._overflow;a._overflow=undefined}});var Toggle=new Object();Toggle.display=Element.toggle;Abstract.Insertion=function(a){this.adjacency=a};Abstract.Insertion.prototype={initialize:function(c,b){this.element=$(c);this.content=b.stripScripts();if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content)}catch(a){if(this.element.tagName.toLowerCase()=="tbody"){this.insertContent(this.contentFromAnonymousTable())}else{throw a}}}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 $A(a.childNodes[0].childNodes[0].childNodes)}};var Insertion=new Object();Insertion.Before=Class.create();Insertion.Before.prototype=Object.extend(new Abstract.Insertion("beforeBegin"),{initializeRange:function(){this.range.setStartBefore(this.element)},insertContent:function(a){a.each((function(b){this.element.parentNode.insertBefore(b,this.element)}).bind(this))}});Insertion.Top=Class.create();Insertion.Top.prototype=Object.extend(new Abstract.Insertion("afterBegin"),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(true)},insertContent:function(a){a.reverse(false).each((function(b){this.element.insertBefore(b,this.element.firstChild)}).bind(this))}});Insertion.Bottom=Class.create();Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion("beforeEnd"),{initializeRange:function(){this.range.selectNodeContents(this.element);this.range.collapse(this.element)},insertContent:function(a){a.each((function(b){this.element.appendChild(b)}).bind(this))}});Insertion.After=Class.create();Insertion.After.prototype=Object.extend(new Abstract.Insertion("afterEnd"),{initializeRange:function(){this.range.setStartAfter(this.element)},insertContent:function(a){a.each((function(b){this.element.parentNode.insertBefore(b,this.element.nextSibling)}).bind(this))}});Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize:function(a){this.element=$(a)},_each:function(a){this.element.className.split(/\s+/).select(function(b){return b.length>0})._each(a)},set:function(a){this.element.className=a},add:function(a){if(this.include(a)){return}this.set(this.toArray().concat(a).join(" "))},remove:function(a){if(!this.include(a)){return}this.set(this.select(function(b){return b!=a}).join(" "))},toString:function(){return this.toArray().join(" ")}};Object.extend(Element.ClassNames.prototype,Enumerable);var Field={clear:function(){for(var a=0;a<arguments.length;a++){$(arguments[a]).value=""}},focus:function(a){$(a).focus()},present:function(){for(var a=0;a<arguments.length;a++){if($(arguments[a]).value==""){return 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b.type!="hidden"&&!b.disabled&&["input","select","textarea"].include(b.tagName.toLowerCase())})},focusFirstElement:function(a){Field.activate(Form.findFirstElement(a))},reset:function(a){$(a).reset()}};Form.Element={serialize:function(d){d=$(d);var c=d.tagName.toLowerCase();var b=Form.Element.Serializers[c](d);if(b){var a=encodeURIComponent(b[0]);if(a.length==0){return}if(b[1].constructor!=Array){b[1]=[b[1]]}return b[1].map(function(e){return a+"="+encodeURIComponent(e)}).join("&")}},getValue:function(c){c=$(c);var b=c.tagName.toLowerCase();var a=Form.Element.Serializers[b](c);if(a){return a[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(d){var c="",a,b=d.selectedIndex;if(b>=0){a=d.options[b];c=a.value;if(!c&&!("value" in a)){c=a.text}}return[d.name,c]},selectMany:function(e){var d=new Array();for(var a=0;a<e.length;a++){var b=e.options[a];if(b.selected){var c=b.value;if(!c&&!("value" in b)){c=b.text}d.push(c)}}return[e.name,d]}};var $F=Form.Element.getValue;Abstract.TimedObserver=function(){};Abstract.TimedObserver.prototype={initialize:function(b,c,a){this.frequency=c;this.element=$(b);this.callback=a;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 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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(b,a){var c=Event.element(b);while(c.parentNode&&(!c.tagName||(c.tagName.toUpperCase()!=a.toUpperCase()))){c=c.parentNode}return c},observers:false,_observeAndCache:function(c,b,d,a){if(!this.observers){this.observers=[]}if(c.addEventListener){this.observers.push([c,b,d,a]);c.addEventListener(b,d,a)}else{if(c.attachEvent){this.observers.push([c,b,d,a]);c.attachEvent("on"+b,d)}}},unloadCache:function(){if(!Event.observers){return}for(var a=0;a<Event.observers.length;a++){Event.stopObserving.apply(this,Event.observers[a]);Event.observers[a][0]=null}Event.observers=false},observe:function(c,b,d,a){var c=$(c);a=a||false;if(b=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||c.attachEvent)){b="keydown"}this._observeAndCache(c,b,d,a)},stopObserving:function(c,b,d,a){var c=$(c);a=a||false;if(b=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||c.detachEvent)){b="keydown"}if(c.removeEventListener){c.removeEventListener(b,d,a)}else{if(c.detachEvent){c.detachEvent("on"+b,d)}}}});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(b){var a=0,c=0;do{a+=b.scrollTop||0;c+=b.scrollLeft||0;b=b.parentNode}while(b);return[c,a]},cumulativeOffset:function(b){var a=0,c=0;do{a+=b.offsetTop||0;c+=b.offsetLeft||0;b=b.offsetParent}while(b);return[c,a]},positionedOffset:function(b){var a=0,c=0;do{a+=b.offsetTop||0;c+=b.offsetLeft||0;b=b.offsetParent;if(b){p=Element.getStyle(b,"position");if(p=="relative"||p=="absolute"){break}}}while(b);return[c,a]},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(c,a,b){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(c,a,b)}this.xcomp=a;this.ycomp=b;this.offset=this.cumulativeOffset(c);return(b>=this.offset[1]&&b<this.offset[1]+c.offsetHeight&&a>=this.offset[0]&&a<this.offset[0]+c.offsetWidth)},withinIncludingScrolloffsets:function(d,b,c){var a=this.realOffset(d);this.xcomp=b+offsetApplication[0]-this.deltaX;this.ycomp=c+offsetApplication[1]-this.deltaY;this.offset=this.cumulativeOffset(d);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+d.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+d.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(b,c){b=$(b);c=$(c);c.style.position="absolute";var a=this.cumulativeOffset(b);c.style.top=a[1]+"px";c.style.left=a[0]+"px";c.style.width=b.offsetWidth+"px";c.style.height=b.offsetHeight+"px"},page:function(a){var b=0,d=0;var c=a;do{b+=c.offsetTop||0;d+=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;d-=c.scrollLeft||0}while(c=c.parentNode);return[d,b]},clone:function(b,e){var d=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});b=$(b);var c=Position.page(b);e=$(e);var a=[0,0];var f=null;if(Element.getStyle(e,"position")=="absolute"){f=Position.offsetParent(e);a=Position.page(f)}if(f==document.body){a[0]-=document.body.offsetLeft;a[1]-=document.body.offsetTop}if(d.setLeft){e.style.left=(c[0]-a[0]+d.offsetLeft)+"px"}if(d.setTop){e.style.top=(c[1]-a[1]+d.offsetTop)+"px"}if(d.setWidth){e.style.width=b.offsetWidth+"px"}if(d.setHeight){e.style.height=b.offsetHeight+"px"}},absolutize:function(e){e=$(e);if(e.style.position=="absolute"){return}Position.prepare();var b=Position.positionedOffset(e);var d=b[1];var c=b[0];var f=e.clientWidth;var a=e.clientHeight;e._originalLeft=c-parseFloat(e.style.left||0);e._originalTop=d-parseFloat(e.style.top||0);e._originalWidth=e.style.width;e._originalHeight=e.style.height;e.style.position="absolute";e.style.top=d+"px";e.style.left=c+"px";e.style.width=f+"px";e.style.height=a+"px"},relativize:function(c){c=$(c);if(c.style.position=="relative"){return}Position.prepare();c.style.position="relative";var b=parseFloat(c.style.top||0)-(c._originalTop||0);var a=parseFloat(c.style.left||0)-(c._originalLeft||0);c.style.top=b+"px";c.style.left=a+"px";c.style.height=c._originalHeight;c.style.width=c._originalWidth}};if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){Position.cumulativeOffset=function(b){var a=0,c=0;do{a+=b.offsetTop||0;c+=b.offsetLeft||0;if(b.offsetParent==document.body){if(Element.getStyle(b,"position")=="absolute"){break}}b=b.offsetParent}while(b);return[c,a]}};