var Prototype={Version:"1.5.0",BrowserFeatures:{XPath:!!document.evaluate},ScriptFragment:"(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)",emptyFunction:function(){},K:function(A){return A
}};
var Class={create:function(){return function(){this.initialize.apply(this,arguments)
}
}};
var $A=Array.from=function(D){if(!D){return[]
}if(D.toArray){return D.toArray()
}else{var B=[];
for(var A=0,C=D.length;
A<C;
A++){B.push(D[A])
}return B
}};
var Abstract=new Object();
Object.extend=function(A,C){for(var B in C){A[B]=C[B]
}return A
};
Object.extend(Object,{inspect:function(A){try{if(A===undefined){return"undefined"
}if(A===null){return"null"
}return A.inspect?A.inspect():A.toString()
}catch(B){if(B instanceof RangeError){return"..."
}throw B
}},keys:function(A){var B=[];
for(var C in A){B.push(C)
}return B
},values:function(B){var A=[];
for(var C in B){A.push(B[C])
}return A
},clone:function(A){return Object.extend({},A)
}});
Function.prototype.bind=function(){var A=this,C=$A(arguments),B=C.shift();
return function(){if(typeof $A=="function"){return A.apply(B,C.concat($A(arguments)))
}}
};
Function.prototype.bindAsEventListener=function(C){var A=this,B=$A(arguments),C=B.shift();
return function(D){if(typeof $A=="function"){return A.apply(C,[(D||window.event)].concat(B).concat($A(arguments)))
}}
};
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){$R(0,this,true).each(A);
return this
}});
var Try={these:function(){var C;
for(var B=0,D=arguments.length;
B<D;
B++){var A=arguments[B];
try{C=A();
break
}catch(E){}}return C
}};
var PeriodicalExecuter=Class.create();
PeriodicalExecuter.prototype={initialize:function(B,A){this.callback=B;
this.frequency=A;
this.currentlyExecuting=false;
this.registerCallback()
},registerCallback:function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1000)
},stop:function(){if(!this.timer){return 
}clearInterval(this.timer);
this.timer=null
},onTimerEvent:function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;
this.callback(this)
}finally{this.currentlyExecuting=false
}}}};
String.interpret=function(A){return A==null?"":String(A)
};
Object.extend(String.prototype,{gsub:function(E,C){var A="",D=this,B;
C=arguments.callee.prepareReplacement(C);
while(D.length>0){if(B=D.match(E)){A+=D.slice(0,B.index);
A+=String.interpret(C(B));
D=D.slice(B.index+B[0].length)
}else{A+=D,D=""
}}return A
},sub:function(C,A,B){A=this.gsub.prepareReplacement(A);
B=B===undefined?1:B;
return this.gsub(C,function(D){if(--B<0){return D[0]
}return A(D)
})
},scan:function(B,A){this.gsub(B,A);
return this
},truncate:function(B,A){B=B||30;
A=A===undefined?"...":A;
return this.length>B?this.slice(0,B-A.length)+A:this
},strip:function(){return this.replace(/^\s+/,"").replace(/\s+$/,"")
},stripTags:function(){return this.replace(/<\/?[^>]+>/gi,"")
},stripScripts:function(){return this.replace(new RegExp(Prototype.ScriptFragment,"img"),"")
},extractScripts:function(){var B=new RegExp(Prototype.ScriptFragment,"img");
var A=new RegExp(Prototype.ScriptFragment,"im");
return(this.match(B)||[]).map(function(C){return(C.match(A)||["",""])[1]
})
},evalScripts:function(){return this.extractScripts().map(function(script){return eval(script)
})
},escapeHTML:function(){var B=document.createElement("div");
var A=document.createTextNode(this);
B.appendChild(A);
return B.innerHTML
},unescapeHTML:function(){var A=document.createElement("div");
A.innerHTML=this.stripTags();
return A.childNodes[0]?(A.childNodes.length>1?$A(A.childNodes).inject("",function(B,C){return B+C.nodeValue
}):A.childNodes[0].nodeValue):""
},toQueryParams:function(B){var A=this.strip().match(/([^?#]*)(#.*)?$/);
if(!A){return{}
}return A[1].split(B||"&").inject({},function(E,F){if((F=F.split("="))[0]){var C=decodeURIComponent(F[0]);
var D=F[1]?decodeURIComponent(F[1]):undefined;
if(E[C]!==undefined){if(E[C].constructor!=Array){E[C]=[E[C]]
}if(D){E[C].push(D)
}}else{E[C]=D
}}return E
})
},toArray:function(){return this.split("")
},succ:function(){return this.slice(0,this.length-1)+String.fromCharCode(this.charCodeAt(this.length-1)+1)
},camelize:function(){var D=this.split("-"),A=D.length;
if(A==1){return D[0]
}var C=this.charAt(0)=="-"?D[0].charAt(0).toUpperCase()+D[0].substring(1):D[0];
for(var B=1;
B<A;
B++){C+=D[B].charAt(0).toUpperCase()+D[B].substring(1)
}return C
},capitalize:function(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase()
},underscore:function(){return this.gsub(/::/,"/").gsub(/([A-Z]+)([A-Z][a-z])/,"#{1}_#{2}").gsub(/([a-z\d])([A-Z])/,"#{1}_#{2}").gsub(/-/,"_").toLowerCase()
},dasherize:function(){return this.gsub(/_/,"-")
},inspect:function(B){var A=this.replace(/\\/g,"\\\\");
if(B){return'"'+A.replace(/"/g,'\\"')+'"'
}else{return"'"+A.replace(/'/g,"\\'")+"'"
}}});
String.prototype.gsub.prepareReplacement=function(B){if(typeof B=="function"){return B
}var A=new Template(B);
return function(C){return A.evaluate(C)
}
};
String.prototype.parseQuery=String.prototype.toQueryParams;
var Template=Class.create();
Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype={initialize:function(A,B){this.template=A.toString();
this.pattern=B||Template.Pattern
},evaluate:function(A){return this.template.gsub(this.pattern,function(B){var C=B[1];
if(C=="\\"){return B[2]
}return C+String.interpret(A[B[3]])
})
}};
var $break=new Object();
var $continue=new Object();
var Enumerable={each:function(B){var A=0;
try{this._each(function(D){try{B(D,A++)
}catch(E){if(E!=$continue){throw E
}}})
}catch(C){if(C!=$break){throw C
}}return this
},eachSlice:function(C,B){var A=-C,D=[],E=this.toArray();
while((A+=C)<E.length){D.push(E.slice(A,A+C))
}return D.map(B)
},all:function(B){var A=true;
this.each(function(D,C){A=A&&!!(B||Prototype.K)(D,C);
if(!A){throw $break
}});
return A
},any:function(B){var A=false;
this.each(function(D,C){if(A=!!(B||Prototype.K)(D,C)){throw $break
}});
return A
},collect:function(B){var A=[];
this.each(function(D,C){A.push((B||Prototype.K)(D,C))
});
return A
},detect:function(B){var A;
this.each(function(D,C){if(B(D,C)){A=D;
throw $break
}});
return A
},findAll:function(B){var A=[];
this.each(function(D,C){if(B(D,C)){A.push(D)
}});
return A
},grep:function(C,B){var A=[];
this.each(function(F,E){var D=F.toString();
if(D.match(C)){A.push((B||Prototype.K)(F,E))
}});
return A
},include:function(A){var B=false;
this.each(function(C){if(C==A){B=true;
throw $break
}});
return B
},inGroupsOf:function(B,A){A=A===undefined?null:A;
return this.eachSlice(B,function(C){while(C.length<B){C.push(A)
}return C
})
},inject:function(A,B){this.each(function(D,C){A=B(A,D,C)
});
return A
},invoke:function(B){var A=$A(arguments).slice(1);
return this.map(function(C){return C[B].apply(C,A)
})
},max:function(B){var A;
this.each(function(D,C){D=(B||Prototype.K)(D,C);
if(A==undefined||D>=A){A=D
}});
return A
},min:function(B){var A;
this.each(function(D,C){D=(B||Prototype.K)(D,C);
if(A==undefined||D<A){A=D
}});
return A
},partition:function(C){var B=[],A=[];
this.each(function(E,D){((C||Prototype.K)(E,D)?B:A).push(E)
});
return[B,A]
},pluck:function(B){var A=[];
this.each(function(D,C){A.push(D[B])
});
return A
},reject:function(B){var A=[];
this.each(function(D,C){if(!B(D,C)){A.push(D)
}});
return A
},sortBy:function(A){return this.map(function(C,B){return{value:C,criteria:A(C,B)}
}).sort(function(E,D){var C=E.criteria,B=D.criteria;
return C<B?-1:C>B?1:0
}).pluck("value")
},toArray:function(){return this.map()
},zip:function(){var B=Prototype.K,A=$A(arguments);
if(typeof A.last()=="function"){B=A.pop()
}var C=[this].concat(A).map($A);
return this.map(function(E,D){return B(C.pluck(D))
})
},size:function(){return this.toArray().length
},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});
Object.extend(Array.prototype,Enumerable);
if(!Array.prototype._reverse){Array.prototype._reverse=Array.prototype.reverse
}Object.extend(Array.prototype,{_each:function(B){for(var A=0,C=this.length;
A<C;
A++){B(this[A])
}},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!=null
})
},flatten:function(){return this.inject([],function(B,A){return B.concat(A&&A.constructor==Array?A.flatten():[A])
})
},without:function(){var A=$A(arguments);
return this.select(function(B){return !A.include(B)
})
},indexOf:function(A){for(var B=0,C=this.length;
B<C;
B++){if(this[B]==A){return B
}}return -1
},reverse:function(A){return(A!==false?this:this.toArray())._reverse()
},reduce:function(){return this.length>1?this:this[0]
},uniq:function(){return this.inject([],function(B,A){return B.include(A)?B:B.concat([A])
})
},clone:function(){return[].concat(this)
},size:function(){return this.length
},inspect:function(){return"["+this.map(Object.inspect).join(", ")+"]"
}});
Array.prototype.toArray=Array.prototype.clone;
function $w(A){A=A.strip();
return A?A.split(/\s+/):[]
}if(window.opera){Array.prototype.concat=function(){var E=[];
for(var B=0,C=this.length;
B<C;
B++){E.push(this[B])
}for(var B=0,C=arguments.length;
B<C;
B++){if(arguments[B].constructor==Array){for(var A=0,D=arguments[B].length;
A<D;
A++){E.push(arguments[B][A])
}}else{E.push(arguments[B])
}}return E
}
}var Hash=function(A){Object.extend(this,A||{})
};
Object.extend(Hash,{toQueryString:function(B){var A=[];
this.prototype._each.call(B,function(D){if(!D.key){return 
}if(D.value&&D.value.constructor==Array){var C=D.value.compact();
if(C.length<2){D.value=C.reduce()
}else{key=encodeURIComponent(D.key);
C.each(function(E){E=E!=undefined?encodeURIComponent(E):"";
A.push(key+"="+encodeURIComponent(E))
});
return 
}}if(D.value==undefined){D[1]=""
}A.push(D.map(encodeURIComponent).join("="))
});
return A.join("&")
}});
Object.extend(Hash.prototype,Enumerable);
Object.extend(Hash.prototype,{_each:function(B){for(var A in this){var C=this[A];
if(C&&C==Hash.prototype[A]){continue
}var D=[A,C];
D.key=A;
D.value=C;
B(D)
}},keys:function(){return this.pluck("key")
},values:function(){return this.pluck("value")
},merge:function(A){return $H(A).inject(this,function(B,C){B[C.key]=C.value;
return B
})
},remove:function(){var A;
for(var B=0,C=arguments.length;
B<C;
B++){var D=this[arguments[B]];
if(D!==undefined){if(A===undefined){A=D
}else{if(A.constructor!=Array){A=[A]
}A.push(D)
}}delete this[arguments[B]]
}return A
},toQueryString:function(){return Hash.toQueryString(this)
},inspect:function(){return"#<Hash:{"+this.map(function(A){return A.map(Object.inspect).join(": ")
}).join(", ")+"}>"
}});
function $H(A){if(A&&A.constructor==Hash){return A
}return new Hash(A)
}ObjectRange=Class.create();
Object.extend(ObjectRange.prototype,Enumerable);
Object.extend(ObjectRange.prototype,{initialize:function(C,A,B){this.start=C;
this.end=A;
this.exclusive=B
},_each:function(A){var B=this.start;
while(this.include(B)){A(B);
B=B.succ()
}},include:function(A){if(A<this.start){return false
}if(this.exclusive){return A<this.end
}return A<=this.end
}});
var $R=function(C,A,B){return new ObjectRange(C,A,B)
};
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(A){this.responders._each(A)
},register:function(A){if(!this.include(A)){this.responders.push(A)
}},unregister:function(A){this.responders=this.responders.without(A)
},dispatch:function(D,B,C,A){this.each(function(E){if(typeof E[D]=="function"){try{E[D].apply(E,[B,C,A])
}catch(F){}}})
}};
Object.extend(Ajax.Responders,Enumerable);
Ajax.Responders.register({onCreate:function(){Ajax.activeRequestCount++
},onComplete:function(){Ajax.activeRequestCount--
}});
Ajax.Base=function(){};
Ajax.Base.prototype={setOptions:function(A){this.options={method:"post",asynchronous:true,contentType:"application/x-www-form-urlencoded",encoding:"UTF-8",parameters:""};
Object.extend(this.options,A||{});
this.options.method=this.options.method.toLowerCase();
if(typeof this.options.parameters=="string"){this.options.parameters=this.options.parameters.toQueryParams()
}}};
Ajax.Request=Class.create();
Ajax.Request.Events=["Uninitialized","Loading","Loaded","Interactive","Complete"];
Ajax.Request.prototype=Object.extend(new Ajax.Base(),{_complete:false,initialize:function(B,A){this.transport=Ajax.getTransport();
this.setOptions(A);
this.request(B)
},request:function(B){this.url=B;
this.method=this.options.method;
var D=this.options.parameters;
if(!["get","post"].include(this.method)){D._method=this.method;
this.method="post"
}D=Hash.toQueryString(D);
if(D&&/Konqueror|Safari|KHTML/.test(navigator.userAgent)){D+="&_="
}if(this.method=="get"&&D){this.url+=(this.url.indexOf("?")>-1?"&":"?")+D
}try{Ajax.Responders.dispatch("onCreate",this,this.transport);
this.transport.open(this.method.toUpperCase(),this.url,this.options.asynchronous);
if(this.options.asynchronous){setTimeout(function(){this.respondToReadyState(1)
}.bind(this),10)
}this.transport.onreadystatechange=this.onStateChange.bind(this);
this.setRequestHeaders();
var A=this.method=="post"?(this.options.postBody||D):null;
this.transport.send(A);
if(!this.options.asynchronous&&this.transport.overrideMimeType){this.onStateChange()
}}catch(C){this.dispatchException(C)
}},onStateChange:function(){var A=this.transport.readyState;
if(A>1&&!((A==4)&&this._complete)){this.respondToReadyState(this.transport.readyState)
}},setRequestHeaders:function(){var E={"X-Requested-With":"XMLHttpRequest","X-Prototype-Version":Prototype.Version,Accept:"text/javascript, text/html, application/xml, text/xml, */*"};
if(this.method=="post"){E["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){E.Connection="close"
}}if(typeof this.options.requestHeaders=="object"){var C=this.options.requestHeaders;
if(typeof C.push=="function"){for(var B=0,D=C.length;
B<D;
B+=2){E[C[B]]=C[B+1]
}}else{$H(C).each(function(F){E[F.key]=F.value
})
}}for(var A in E){this.transport.setRequestHeader(A,E[A])
}},success:function(){return !this.transport.status||(this.transport.status>=200&&this.transport.status<300)
},respondToReadyState:function(A){var C=Ajax.Request.Events[A];
var E=this.transport,B=this.evalJSON();
if(C=="Complete"){try{this._complete=true;
(this.options["on"+this.transport.status]||this.options["on"+(this.success()?"Success":"Failure")]||Prototype.emptyFunction)(E,B)
}catch(D){this.dispatchException(D)
}if((this.getHeader("Content-type")||"text/javascript").strip().match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)){this.evalResponse()
}}try{(this.options["on"+C]||Prototype.emptyFunction)(E,B);
Ajax.Responders.dispatch("on"+C,this,E,B)
}catch(D){this.dispatchException(D)
}if(C=="Complete"){this.transport.onreadystatechange=Prototype.emptyFunction
}},getHeader:function(A){try{return this.transport.getResponseHeader(A)
}catch(B){return null
}},evalJSON:function(){try{var json=this.getHeader("X-JSON");
return json?eval("("+json+")"):null
}catch(e){return null
}},evalResponse:function(){try{return eval(this.transport.responseText)
}catch(e){this.dispatchException(e)
}},dispatchException:function(A){(this.options.onException||Prototype.emptyFunction)(this,A);
Ajax.Responders.dispatch("onException",this,A)
}});
Ajax.Updater=Class.create();
Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize:function(A,C,B){this.container={success:(A.success||A),failure:(A.failure||(A.success?null:A))};
this.transport=Ajax.getTransport();
this.setOptions(B);
var D=this.options.onComplete||Prototype.emptyFunction;
this.options.onComplete=(function(F,E){this.updateContent();
D(F,E)
}).bind(this);
this.request(C)
},updateContent:function(){var B=this.container[this.success()?"success":"failure"];
var A=this.transport.responseText;
if(!this.options.evalScripts){A=A.stripScripts()
}if(B=$(B)){if(this.options.insertion){new this.options.insertion(B,A)
}else{B.update(A)
}}if(this.success()){if(this.onComplete){setTimeout(this.onComplete.bind(this),10)
}}}});
Ajax.TabUpdater=Class.create();
Object.extend(Object.extend(Ajax.TabUpdater.prototype,Ajax.Updater.prototype),{success:function(){var A=!this.transport.status||(this.transport.status>=200&&this.transport.status<300);
if(this.options.prefunc){return this.options.prefunc(this)&&A
}return A
}});
Ajax.PeriodicalUpdater=Class.create();
Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{initialize:function(A,C,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=A;
this.url=C;
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(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)
}});
function $(B){if(arguments.length>1){for(var A=0,D=[],C=arguments.length;
A<C;
A++){D.push($(arguments[A]))
}return D
}if(typeof B=="string"){B=document.getElementById(B)
}return Element.extend(B)
}if(Prototype.BrowserFeatures.XPath){document._getElementsByXPath=function(F,A){var C=[];
var E=document.evaluate(F,$(A)||document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
for(var B=0,D=E.snapshotLength;
B<D;
B++){C.push(E.snapshotItem(B))
}return C
}
}document.getElementsByClassName=function(D,A){if(Prototype.BrowserFeatures.XPath){var G=".//*[contains(concat(' ', @class, ' '), ' "+D+" ')]";
return document._getElementsByXPath(G,A)
}else{var C=($(A)||document.body).getElementsByTagName("*");
var F=[],H;
for(var B=0,E=C.length;
B<E;
B++){H=C[B];
if(Element.hasClassName(H,D)){F.push(Element.extend(H))
}}return F
}};
if(!window.Element){var Element=new Object()
}Element.extend=function(C){if(!C||_nativeExtensions||C.nodeType==3){return C
}if(!C._extended&&C.tagName&&C!=window){var B=Object.clone(Element.Methods),A=Element.extend.cache;
if(C.tagName=="FORM"){Object.extend(B,Form.Methods)
}if(["INPUT","TEXTAREA","SELECT"].include(C.tagName)){Object.extend(B,Form.Element.Methods)
}Object.extend(B,Element.Methods.Simulated);
for(var E in B){var D=B[E];
if(typeof D=="function"&&!(E in C)){C[E]=A.findOrStore(D)
}}}C._extended=true;
return C
};
Element.extend.cache={findOrStore:function(A){return this[A]=this[A]||function(){return A.apply(null,[this].concat($A(arguments)))
}
}};
Element.Methods={visible:function(A){return $(A).style.display!="none"
},toggle:function(A){A=$(A);
Element[Element.visible(A)?"hide":"show"](A);
return A
},hide:function(A){$(A).style.display="none";
return A
},show:function(A){$(A).style.display="";
return A
},remove:function(A){A=$(A);
A.parentNode.removeChild(A);
return A
},update:function(B,A){A=typeof A=="undefined"?"":A.toString();
$(B).innerHTML=A.stripScripts();
setTimeout(function(){A.evalScripts()
},10);
return B
},replace:function(C,B){C=$(C);
B=typeof B=="undefined"?"":B.toString();
if(C.outerHTML){C.outerHTML=B.stripScripts()
}else{var A=C.ownerDocument.createRange();
A.selectNodeContents(C);
C.parentNode.replaceChild(A.createContextualFragment(B.stripScripts()),C)
}setTimeout(function(){B.evalScripts()
},10);
return C
},inspect:function(B){B=$(B);
var A="<"+B.tagName.toLowerCase();
$H({id:"id",className:"class"}).each(function(F){var E=F.first(),C=F.last();
var D=(B[E]||"").toString();
if(D){A+=" "+C+"="+D.inspect(true)
}});
return A+">"
},recursivelyCollect:function(A,C){A=$(A);
var B=[];
while(A=A[C]){if(A.nodeType==1){B.push(Element.extend(A))
}}return B
},ancestors:function(A){return $(A).recursivelyCollect("parentNode")
},descendants:function(A){return $A($(A).getElementsByTagName("*"))
},immediateDescendants:function(A){if(!(A=$(A).firstChild)){return[]
}while(A&&A.nodeType!=1){A=A.nextSibling
}if(A){return[A].concat($(A).nextSiblings())
}return[]
},previousSiblings:function(A){return $(A).recursivelyCollect("previousSibling")
},nextSiblings:function(A){return $(A).recursivelyCollect("nextSibling")
},siblings:function(A){A=$(A);
return A.previousSiblings().reverse().concat(A.nextSiblings())
},match:function(B,A){if(typeof A=="string"){A=new Selector(A)
}return A.match($(B))
},up:function(B,C,A){return Selector.findElement($(B).ancestors(),C,A)
},down:function(B,C,A){return Selector.findElement($(B).descendants(),C,A)
},previous:function(B,C,A){return Selector.findElement($(B).previousSiblings(),C,A)
},next:function(B,C,A){return Selector.findElement($(B).nextSiblings(),C,A)
},getElementsBySelector:function(){var A=$A(arguments),B=$(A.shift());
return Selector.findChildElements(B,A)
},getElementsByClassName:function(A,B){return document.getElementsByClassName(B,A)
},readAttribute:function(C,A){C=$(C);
if(document.all&&!window.opera){var B=Element._attributeTranslations;
if(B.values[A]){return B.values[A](C,A)
}if(B.names[A]){A=B.names[A]
}var D=C.attributes[A];
if(D){return D.nodeValue
}}return C.getAttribute(A)
},getHeight:function(A){return $(A).getDimensions().height
},getWidth:function(A){return $(A).getDimensions().width
},classNames:function(A){return new Element.ClassNames(A)
},hasClassName:function(A,B){if(!(A=$(A))){return 
}var C=A.className;
if(C.length==0){return false
}if(C==B||C.match(new RegExp("(^|\\s)"+B+"(\\s|$)"))){return true
}return false
},addClassName:function(A,B){if(!(A=$(A))){return 
}Element.classNames(A).add(B);
return A
},removeClassName:function(A,B){if(!(A=$(A))){return 
}Element.classNames(A).remove(B);
return A
},toggleClassName:function(A,B){if(!(A=$(A))){return 
}Element.classNames(A)[A.hasClassName(B)?"remove":"add"](B);
return A
},observe:function(){Event.observe.apply(Event,arguments);
return $A(arguments).first()
},stopObserving:function(){Event.stopObserving.apply(Event,arguments);
return $A(arguments).first()
},cleanWhitespace:function(B){B=$(B);
var C=B.firstChild;
while(C){var A=C.nextSibling;
if(C.nodeType==3&&!/\S/.test(C.nodeValue)){B.removeChild(C)
}C=A
}return B
},empty:function(A){return $(A).innerHTML.match(/^\s*$/)
},descendantOf:function(B,A){B=$(B),A=$(A);
while(B=B.parentNode){if(B==A){return true
}}return false
},scrollTo:function(A){A=$(A);
var B=Position.cumulativeOffset(A);
window.scrollTo(B[0],B[1]);
return A
},getStyle:function(B,C){B=$(B);
if(["float","cssFloat"].include(C)){C=(typeof B.style.styleFloat!="undefined"?"styleFloat":"cssFloat")
}C=C.camelize();
var D=B.style[C];
if(!D){if(document.defaultView&&document.defaultView.getComputedStyle){var A=document.defaultView.getComputedStyle(B,null);
D=A?A[C]:null
}else{if(B.currentStyle){D=B.currentStyle[C]
}}}if((D=="auto")&&["width","height"].include(C)&&(B.getStyle("display")!="none")){D=B["offset"+C.capitalize()]+"px"
}if(window.opera&&["left","top","right","bottom"].include(C)){if(Element.getStyle(B,"position")=="static"){D="auto"
}}if(C=="opacity"){if(D){return parseFloat(D)
}if(D=(B.getStyle("filter")||"").match(/alpha\(opacity=(.*)\)/)){if(D[1]){return parseFloat(D[1])/100
}}return 1
}return D=="auto"?null:D
},setStyle:function(B,C){B=$(B);
for(var A in C){var D=C[A];
if(A=="opacity"){if(D==1){D=(/Gecko/.test(navigator.userAgent)&&!/Konqueror|Safari|KHTML/.test(navigator.userAgent))?0.999999:1;
if(/MSIE/.test(navigator.userAgent)&&!window.opera){B.style.filter=B.getStyle("filter").replace(/alpha\([^\)]*\)/gi,"")
}}else{if(D===""){if(/MSIE/.test(navigator.userAgent)&&!window.opera){B.style.filter=B.getStyle("filter").replace(/alpha\([^\)]*\)/gi,"")
}}else{if(D<0.00001){D=0
}if(/MSIE/.test(navigator.userAgent)&&!window.opera){B.style.filter=B.getStyle("filter").replace(/alpha\([^\)]*\)/gi,"")+"alpha(opacity="+D*100+")"
}}}}else{if(["float","cssFloat"].include(A)){A=(typeof B.style.styleFloat!="undefined")?"styleFloat":"cssFloat"
}}B.style[A.camelize()]=D
}return B
},getDimensions:function(C){C=$(C);
var G=$(C).getStyle("display");
if(G!="none"&&G!=null){return{width:C.offsetWidth,height:C.offsetHeight}
}var B=C.style;
var F=B.visibility;
var D=B.position;
var A=B.display;
B.visibility="hidden";
B.position="absolute";
B.display="block";
var H=C.clientWidth;
var E=C.clientHeight;
B.display=A;
B.position=D;
B.visibility=F;
return{width:H,height:E}
},makePositioned:function(A){A=$(A);
var B=Element.getStyle(A,"position");
if(B=="static"||!B){A._madePositioned=true;
A.style.position="relative";
if(window.opera){A.style.top=0;
A.style.left=0
}}return A
},undoPositioned:function(A){A=$(A);
if(A._madePositioned){A._madePositioned=undefined;
A.style.position=A.style.top=A.style.left=A.style.bottom=A.style.right=""
}return A
},makeClipping:function(A){A=$(A);
if(A._overflow){return A
}A._overflow=A.style.overflow||"auto";
if((Element.getStyle(A,"overflow")||"visible")!="hidden"){A.style.overflow="hidden"
}return A
},undoClipping:function(A){A=$(A);
if(!A._overflow){return A
}A.style.overflow=A._overflow=="auto"?"":A._overflow;
A._overflow=null;
return A
}};
Object.extend(Element.Methods,{childOf:Element.Methods.descendantOf});
Element._attributeTranslations={};
Element._attributeTranslations.names={colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"};
Element._attributeTranslations.values={_getAttr:function(A,B){return A.getAttribute(B,2)
},_flag:function(A,B){return $(A).hasAttribute(B)?B:null
},style:function(A){return A.style.cssText.toLowerCase()
},title:function(A){var B=A.getAttributeNode("title");
return B.specified?B.nodeValue:null
}};
Object.extend(Element._attributeTranslations.values,{href:Element._attributeTranslations.values._getAttr,src:Element._attributeTranslations.values._getAttr,disabled:Element._attributeTranslations.values._flag,checked:Element._attributeTranslations.values._flag,readonly:Element._attributeTranslations.values._flag,multiple:Element._attributeTranslations.values._flag});
Element.Methods.Simulated={hasAttribute:function(B,C){var A=Element._attributeTranslations;
C=A.names[C]||C;
return $(B).getAttributeNode(C).specified
}};
if(document.all&&!window.opera){Element.Methods.update=function(C,B){C=$(C);
B=typeof B=="undefined"?"":B.toString();
var A=C.tagName.toUpperCase();
if(["THEAD","TBODY","TR","TD"].include(A)){var D=document.createElement("div");
switch(A){case"THEAD":case"TBODY":D.innerHTML="<table><tbody>"+B.stripScripts()+"</tbody></table>";
depth=2;
break;
case"TR":D.innerHTML="<table><tbody><tr>"+B.stripScripts()+"</tr></tbody></table>";
depth=3;
break;
case"TD":D.innerHTML="<table><tbody><tr><td>"+B.stripScripts()+"</td></tr></tbody></table>";
depth=4
}$A(C.childNodes).each(function(E){C.removeChild(E)
});
depth.times(function(){D=D.firstChild
});
$A(D.childNodes).each(function(E){C.appendChild(E)
})
}else{C.innerHTML=B.stripScripts()
}setTimeout(function(){B.evalScripts()
},10);
return C
}
}Object.extend(Element,Element.Methods);
var _nativeExtensions=false;
if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){["","Form","Input","TextArea","Select"].each(function(B){var C="HTML"+B+"Element";
if(window[C]){return 
}var A=window[C]={};
A.prototype=document.createElement(B?B.toLowerCase():"div").__proto__
})
}Element.addMethods=function(A){Object.extend(Element.Methods,A||{});
function B(F,D,C){C=C||false;
var E=Element.extend.cache;
for(var H in F){var G=F[H];
if(!C||!(H in D)){D[H]=E.findOrStore(G)
}}}if(typeof HTMLElement!="undefined"){B(Element.Methods,HTMLElement.prototype);
B(Element.Methods.Simulated,HTMLElement.prototype,true);
B(Form.Methods,HTMLFormElement.prototype);
[HTMLInputElement,HTMLTextAreaElement,HTMLSelectElement].each(function(C){B(Form.Element.Methods,C.prototype)
});
_nativeExtensions=true
}};
var Toggle=new Object();
Toggle.display=Element.toggle;
Abstract.Insertion=function(A){this.adjacency=A
};
Abstract.Insertion.prototype={initialize:function(B,C){this.element=$(B);
this.content=C.stripScripts();
if(this.adjacency&&this.element.insertAdjacentHTML){try{this.element.insertAdjacentHTML(this.adjacency,this.content)
}catch(D){var A=this.element.tagName.toUpperCase();
if(["TBODY","TR"].include(A)){this.insertContent(this.contentFromAnonymousTable())
}else{throw D
}}}else{this.range=this.element.ownerDocument.createRange();
if(this.initializeRange){this.initializeRange()
}this.insertContent([this.range.createContextualFragment(this.content)])
}setTimeout(function(){C.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($A(this).concat(A).join(" "))
},remove:function(A){if(!this.include(A)){return 
}this.set($A(this).without(A).join(" "))
},toString:function(){return $A(this).join(" ")
}};
Object.extend(Element.ClassNames.prototype,Enumerable);
var Selector=Class.create();
Selector.prototype={initialize:function(A){this.params={classNames:[]};
this.expression=A.toString().strip();
this.parseExpression();
this.compileMatcher()
},parseExpression:function(){function G(H){throw"Parse error in selector: "+H
}if(this.expression==""){G("empty expression")
}var F=this.params,E=this.expression,B,A,D,C;
while(B=E.match(/^(.*)\[([a-z0-9_:-]+?)(?:([~\|!]?=)(?:"([^"]*)"|([^\]\s]*)))?\]$/i)){F.attributes=F.attributes||[];
F.attributes.push({name:B[2],operator:B[3],value:B[4]||B[5]||""});
E=B[1]
}if(E=="*"){return this.params.wildcard=true
}while(B=E.match(/^([^a-z0-9_-])?([a-z0-9_-]+)(.*)/i)){A=B[1],D=B[2],C=B[3];
switch(A){case"#":F.id=D;
break;
case".":F.classNames.push(D);
break;
case"":case undefined:F.tagName=D.toUpperCase();
break;
default:G(E.inspect())
}E=C
}if(E.length>0){G(E.inspect())
}},buildMatchExpression:function(){var E=this.params,D=[],C;
if(E.wildcard){D.push("true")
}if(C=E.id){D.push('element.readAttribute("id") == '+C.inspect())
}if(C=E.tagName){D.push("element.tagName.toUpperCase() == "+C.inspect())
}if((C=E.classNames).length>0){for(var A=0,B=C.length;
A<B;
A++){D.push("element.hasClassName("+C[A].inspect()+")")
}}if(C=E.attributes){C.each(function(G){var H="element.readAttribute("+G.name.inspect()+")";
var F=function(I){return H+" && "+H+".split("+I.inspect()+")"
};
switch(G.operator){case"=":D.push(H+" == "+G.value.inspect());
break;
case"~=":D.push(F(" ")+".include("+G.value.inspect()+")");
break;
case"|=":D.push(F("-")+".first().toUpperCase() == "+G.value.toUpperCase().inspect());
break;
case"!=":D.push(H+" != "+G.value.inspect());
break;
case"":case undefined:D.push("element.hasAttribute("+G.name.inspect()+")");
break;
default:throw"Unknown operator "+G.operator+" in selector"
}})
}return D.join(" && ")
},compileMatcher:function(){this.match=new Function("element","if (!element.tagName) return false;       element = $(element);       return "+this.buildMatchExpression())
},findElements:function(D){var C;
if(C=$(this.params.id)){if(this.match(C)){if(!D||Element.childOf(C,D)){return[C]
}}}D=(D||document).getElementsByTagName(this.params.tagName||"*");
var B=[];
for(var A=0,E=D.length;
A<E;
A++){if(this.match(C=D[A])){B.push(Element.extend(C))
}}return B
},toString:function(){return this.expression
}};
Object.extend(Selector,{matchElements:function(B,C){var A=new Selector(C);
return B.select(A.match.bind(A)).map(Element.extend)
},findElement:function(B,C,A){if(typeof C=="number"){A=C,C=false
}return Selector.matchElements(B,C||"*")[A||0]
},findChildElements:function(A,B){return B.map(function(C){return C.match(/[^\s"]+(?:"[^"]*"[^\s"]+)*/g).inject([null],function(E,F){var D=new Selector(F);
return E.inject([],function(H,G){return H.concat(D.findElements(G||A))
})
})
}).flatten()
}});
function $$(){return Selector.findChildElements(document,$A(arguments))
}var Form={reset:function(A){$(A).reset();
return A
},serializeElements:function(C,A){var B=C.inject({},function(D,F){if(!F.disabled&&F.name){var E=F.name,G=$(F).getValue();
if(G!=undefined){if(D[E]){if(D[E].constructor!=Array){D[E]=[D[E]]
}D[E].push(G)
}else{D[E]=G
}}}return D
});
return A?B:Hash.toQueryString(B)
}};
Form.Methods={serialize:function(B,A){return Form.serializeElements(Form.getElements(B),A)
},getElements:function(A){return $A($(A).getElementsByTagName("*")).inject([],function(B,C){if(Form.Element.Serializers[C.tagName.toLowerCase()]){B.push(Element.extend(C))
}return B
})
},getInputs:function(G,C,D){G=$(G);
var A=G.getElementsByTagName("input");
if(!C&&!D){return $A(A).map(Element.extend)
}for(var E=0,H=[],F=A.length;
E<F;
E++){var B=A[E];
if((C&&B.type!=C)||(D&&B.name!=D)){continue
}H.push(Element.extend(B))
}return H
},disable:function(A){A=$(A);
A.getElements().each(function(B){B.blur();
B.disabled="true"
});
return A
},enable:function(A){A=$(A);
A.getElements().each(function(B){B.disabled=""
});
return A
},findFirstElement:function(A){return $(A).getElements().find(function(B){return B.type!="hidden"&&!B.disabled&&["input","select","textarea"].include(B.tagName.toLowerCase())
})
},focusFirstElement:function(A){A=$(A);
A.findFirstElement().activate();
return A
}};
Object.extend(Form,Form.Methods);
Form.Element={focus:function(A){$(A).focus();
return A
},select:function(A){$(A).select();
return A
}};
Form.Element.Methods={serialize:function(A){A=$(A);
if(!A.disabled&&A.name){var B=A.getValue();
if(B!=undefined){var C={};
C[A.name]=B;
return Hash.toQueryString(C)
}}return""
},getValue:function(A){A=$(A);
var B=A.tagName.toLowerCase();
return Form.Element.Serializers[B](A)
},clear:function(A){$(A).value="";
return A
},present:function(A){return $(A).value!=""
},activate:function(A){A=$(A);
A.focus();
if(A.select&&(A.tagName.toLowerCase()!="input"||!["button","reset","submit"].include(A.type))){A.select()
}return A
},disable:function(A){A=$(A);
A.disabled=true;
return A
},enable:function(A){A=$(A);
A.blur();
A.disabled=false;
return A
}};
Object.extend(Form.Element,Form.Element.Methods);
var Field=Form.Element;
var $F=Form.Element.getValue;
Form.Element.Serializers={input:function(A){switch(A.type.toLowerCase()){case"checkbox":case"radio":return Form.Element.Serializers.inputSelector(A);
default:return Form.Element.Serializers.textarea(A)
}},inputSelector:function(A){return A.checked?A.value:null
},textarea:function(A){return A.value
},select:function(A){return this[A.type=="select-one"?"selectOne":"selectMany"](A)
},selectOne:function(B){var A=B.selectedIndex;
return A>=0?this.optionValue(B.options[A]):null
},selectMany:function(D){var A,E=D.length;
if(!E){return null
}for(var C=0,A=[];
C<E;
C++){var B=D.options[C];
if(B.selected){A.push(this.optionValue(B))
}}return A
},optionValue:function(A){return Element.extend(A).hasAttribute("value")?A.value:A.text
}};
Abstract.TimedObserver=function(){};
Abstract.TimedObserver.prototype={initialize:function(A,B,C){this.frequency=B;
this.element=$(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();
var B=("string"==typeof this.lastValue&&"string"==typeof A?this.lastValue!=A:String(this.lastValue)!=String(A));
if(B){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(){Form.getElements(this.element).each(this.registerCallback.bind(this))
},registerCallback:function(A){if(A.type){switch(A.type.toLowerCase()){case"checkbox":case"radio":Event.observe(A,"click",this.onElementEvent.bind(this));
break;
default: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,KEY_HOME:36,KEY_END:35,KEY_PAGEUP:33,KEY_PAGEDOWN:34,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(C,B){var A=Event.element(C);
while(A.parentNode&&(!A.tagName||(A.tagName.toUpperCase()!=B.toUpperCase()))){A=A.parentNode
}return A
},observers:false,_observeAndCache:function(D,C,B,A){if(!this.observers){this.observers=[]
}if(D.addEventListener){this.observers.push([D,C,B,A]);
D.addEventListener(C,B,A)
}else{if(D.attachEvent){this.observers.push([D,C,B,A]);
D.attachEvent("on"+C,B)
}}},unloadCache:function(){if(!Event.observers){return 
}for(var A=0,B=Event.observers.length;
A<B;
A++){Event.stopObserving.apply(this,Event.observers[A]);
Event.observers[A][0]=null
}Event.observers=false
},observe:function(D,C,B,A){D=$(D);
A=A||false;
if(C=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||D.attachEvent)){C="keydown"
}Event._observeAndCache(D,C,B,A)
},stopObserving:function(D,C,B,A){D=$(D);
A=A||false;
if(C=="keypress"&&(navigator.appVersion.match(/Konqueror|Safari|KHTML/)||D.detachEvent)){C="keydown"
}if(D.removeEventListener){D.removeEventListener(C,B,A)
}else{if(D.detachEvent){try{D.detachEvent("on"+C,B)
}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(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,D=0;
do{A+=B.offsetTop||0;
D+=B.offsetLeft||0;
B=B.offsetParent;
if(B){if(B.tagName=="BODY"){break
}var C=Element.getStyle(B,"position");
if(C=="relative"||C=="absolute"){break
}}}while(B);
return[D,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(B,A,C){if(this.includeScrollOffsets){return this.withinIncludingScrolloffsets(B,A,C)
}this.xcomp=A;
this.ycomp=C;
this.offset=this.cumulativeOffset(B);
return(C>=this.offset[1]&&C<this.offset[1]+B.offsetHeight&&A>=this.offset[0]&&A<this.offset[0]+B.offsetWidth)
},withinIncludingScrolloffsets:function(B,A,D){var C=this.realOffset(B);
this.xcomp=A+C[0]-this.deltaX;
this.ycomp=D+C[1]-this.deltaY;
this.offset=this.cumulativeOffset(B);
return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+B.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+B.offsetWidth)
},overlap:function(B,A){if(!B){return 0
}if(B=="vertical"){return((this.offset[1]+A.offsetHeight)-this.ycomp)/A.offsetHeight
}if(B=="horizontal"){return((this.offset[0]+A.offsetWidth)-this.xcomp)/A.offsetWidth
}},page:function(D){var A=0,C=0;
var B=D;
do{A+=B.offsetTop||0;
C+=B.offsetLeft||0;
if(B.offsetParent==document.body){if(Element.getStyle(B,"position")=="absolute"){break
}}}while(B=B.offsetParent);
B=D;
do{if(!window.opera||B.tagName=="BODY"){A-=B.scrollTop||0;
C-=B.scrollLeft||0
}}while(B=B.parentNode);
return[C,A]
},clone:function(C,E){var A=Object.extend({setLeft:true,setTop:true,setWidth:true,setHeight:true,offsetTop:0,offsetLeft:0},arguments[2]||{});
C=$(C);
var D=Position.page(C);
E=$(E);
var F=[0,0];
var B=null;
if(Element.getStyle(E,"position")=="absolute"){B=Position.offsetParent(E);
F=Position.page(B)
}if(B==document.body){F[0]-=document.body.offsetLeft;
F[1]-=document.body.offsetTop
}if(A.setLeft){E.style.left=(D[0]-F[0]+A.offsetLeft)+"px"
}if(A.setTop){E.style.top=(D[1]-F[1]+A.offsetTop)+"px"
}if(A.setWidth){E.style.width=C.offsetWidth+"px"
}if(A.setHeight){E.style.height=C.offsetHeight+"px"
}},absolutize:function(B){B=$(B);
if(B.style.position=="absolute"){return 
}Position.prepare();
var D=Position.positionedOffset(B);
var F=D[1];
var E=D[0];
var C=B.clientWidth;
var A=B.clientHeight;
B._originalLeft=E-parseFloat(B.style.left||0);
B._originalTop=F-parseFloat(B.style.top||0);
B._originalWidth=B.style.width;
B._originalHeight=B.style.height;
B.style.position="absolute";
B.style.top=F+"px";
B.style.left=E+"px";
B.style.width=C+"px";
B.style.height=A+"px"
},relativize:function(A){A=$(A);
if(A.style.position=="relative"){return 
}Position.prepare();
A.style.position="relative";
var C=parseFloat(A.style.top||0)-(A._originalTop||0);
var B=parseFloat(A.style.left||0)-(A._originalLeft||0);
A.style.top=C+"px";
A.style.left=B+"px";
A.style.height=A._originalHeight;
A.style.width=A._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]
}
}Element.addMethods();