text: var Prototype={Version:"1.5.1",Browser:{IE:!!(window.attachEvent&&!window.opera),Opera:!!window.opera,WebKit:navigator.userAgent.indexOf("AppleWebKit/")>-1,Gecko:navigator.userAgent.indexOf("Gecko")>-1&&navigator.userAgent.indexOf("KHTML")==-1},BrowserFeatures:{XPath:!!document.evaluate,ElementExtensions:!!window.HTMLElement,SpecificElementExtensions:(document.createElement("div").__proto__!==document.createElement("form").__proto__)},ScriptFragment:"<script[^>]*>([\u0001-\uFFFF]*?)<\/script>",JSONFilter:/^\/\*-secure-\s*(.*)\s*\*\/\s*$/,emptyFunction:function(){},K:function(a){return a
  }};
  var Class={create:function(){return function(){this.initialize.apply(this,arguments)
  }
  }};
  var Abstract=new Object();
  Object.extend=function(a,c){for(var b in c){a[b]=c[b]
  }return a
  };
  Object.extend(Object,{inspect:function(a){try{if(a===undefined){return"undefined"
  }if(a===null){return"null"
  }return a.inspect?a.inspect():a.toString()
  }catch(b){if(b instanceof RangeError){return"..."
  }throw b
  }},toJSON:function(a){var c=typeof a;
  switch(c){case"undefined":case"function":case"unknown":return;
  case"boolean":return a.toString()
  }if(a===null){return"null"
  }if(a.toJSON){return a.toJSON()
  }if(a.ownerDocument===document){return
  }var b=[];
  for(var e in a){var d=Object.toJSON(a[e]);
  if(d!==undefined){b.push(e.toJSON()+": "+d)
  }}return"{"+b.join(", ")+"}"
  },keys:function(a){var b=[];
  for(var c in a){b.push(c)
  }return b
  },values:function(b){var a=[];
  for(var c in b){a.push(b[c])
  }return a
  },clone:function(a){return Object.extend({},a)
  }});
  Function.prototype.bind=function(){var a=this,c=$A(arguments),b=c.shift();
  return function(){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){return a.apply(c,[d||window.event].concat(b))
  }
  };
  Object.extend(Number.prototype,{toColorPart:function(){return this.toPaddedString(2,16)
  },succ:function(){return this+1
  },times:function(a){$R(0,this,true).each(a);
  return this
  },toPaddedString:function(c,b){var a=this.toString(b||10);
  return"0".times(c-a.length)+a
  },toJSON:function(){return isFinite(this)?this.toString():"null"
  }});
  Date.prototype.toJSON=function(){return'"'+this.getFullYear()+"-"+(this.getMonth()+1).toPaddedString(2)+"-"+this.getDate().toPaddedString(2)+"T"+this.getHours().toPaddedString(2)+":"+this.getMinutes().toPaddedString(2)+":"+this.getSeconds().toPaddedString(2)+'"'
  };
  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(f){}}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
  }}}};
  Object.extend(String,{interpret:function(a){return a==null?"":String(a)
  },specialChar:{"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r","\\":"\\\\"}});
  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 a=arguments.callee;
  a.text.data=this;
  return a.div.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.shift());
  var d=f.length>1?f.join("="):f[0];
  if(d!=undefined){d=decodeURIComponent(d)
  }if(c in e){if(e[c].constructor!=Array){e[c]=[e[c]]
  }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)
  },times:function(c){var a="";
  for(var b=0;
  b<c;
  b++){a+=this
  }return a
  },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.gsub(/[\x00-\x1f\\]/,function(c){var d=String.specialChar[c[0]];
  return d?d:"\\u00"+c[0].charCodeAt().toPaddedString(2,16)
  });
  if(b){return'"'+a.replace(/"/g,'\\"')+'"'
  }return"'"+a.replace(/'/g,"\\'")+"'"
  },toJSON:function(){return this.inspect(true)
  },unfilterJSON:function(a){return this.sub(a||Prototype.JSONFilter,"#{1}")
  },evalJSON:function(sanitize){var json=this.unfilterJSON();
  try{if(!sanitize||(/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json))){return eval("("+json+")")
  }}catch(e){}throw new SyntaxError("Badly formed JSON string: "+this.inspect())
  },include:function(a){return this.indexOf(a)>-1
  },startsWith:function(a){return this.indexOf(a)===0
  },endsWith:function(a){var b=this.length-a.length;
  return b>=0&&this.lastIndexOf(a)===b
  },empty:function(){return this==""
  },blank:function(){return/^\s*$/.test(this)
  }});
  if(Prototype.Browser.WebKit||Prototype.Browser.IE){Object.extend(String.prototype,{escapeHTML:function(){return this.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;")
  },unescapeHTML:function(){return this.replace(/&amp;/g,"&").replace(/&lt;/g,"<").replace(/&gt;/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;
  Object.extend(String.prototype.escapeHTML,{div:document.createElement("div"),text:document.createTextNode("")});
  with(String.prototype.escapeHTML){div.appendChild(text)
  }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 $break={},$continue=new Error('"throw $continue" is deprecated, use "return" instead');
  var Enumerable={each:function(b){var a=0;
  try{this._each(function(d){b(d,a++)
  })
  }catch(c){if(c!=$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(f,e){var d=f.criteria,c=e.criteria;
  return d<c?-1:d>c?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});
  var $A=Array.from=function(d){if(!d){return[]
  }if(d.toArray){return d.toArray()
  }else{var b=[];
  for(var a=0,c=d.length;
  a<c;
  a++){b.push(d[a])
  }return b
  }};
  if(Prototype.Browser.WebKit){$A=Array.from=function(d){if(!d){return[]
  }if(!(typeof d=="function"&&d=="[object NodeList]")&&d.toArray){return d.toArray()
  }else{var b=[];
  for(var a=0,c=d.length;
  a<c;
  a++){b.push(d[a])
  }return b
  }}
  }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(a){return this.inject([],function(d,c,b){if(0==b||(a?d.last()!=c:!d.include(c))){d.push(c)
  }return d
  })
  },clone:function(){return[].concat(this)
  },size:function(){return this.length
  },inspect:function(){return"["+this.map(Object.inspect).join(", ")+"]"
  },toJSON:function(){var a=[];
  this.each(function(b){var c=Object.toJSON(b);
  if(c!==undefined){a.push(c)
  }});
  return"["+a.join(", ")+"]"
  }});
  Array.prototype.toArray=Array.prototype.clone;
  function $w(a){a=a.strip();
  return a?a.split(/\s+/):[]
  }if(Prototype.Browser.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){if(a instanceof Hash){this.merge(a)
  }else{Object.extend(this,a||{})
  }};
  Object.extend(Hash,{toQueryString:function(b){var a=[];
  a.add=arguments.callee.addPair;
  this.prototype._each.call(b,function(d){if(!d.key){return
  }var c=d.value;
  if(c&&typeof c=="object"){if(c.constructor==Array){c.each(function(e){a.add(d.key,e)
  })
  }return
  }a.add(d.key,c)
  });
  return a.join("&")
  },toJSON:function(a){var b=[];
  this.prototype._each.call(a,function(d){var c=Object.toJSON(d.value);
  if(c!==undefined){b.push(d.key.toJSON()+": "+c)
  }});
  return"{"+b.join(", ")+"}"
  }});
  Hash.toQueryString.addPair=function(a,c,b){a=encodeURIComponent(a);
  if(c===undefined){this.push(a)
  }else{this.push(a+"="+(c==null?"":encodeURIComponent(c)))
  }};
  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(", ")+"}>"
  },toJSON:function(){return Hash.toJSON(this)
  }});
  function $H(a){if(a instanceof Hash){return a
  }return new Hash(a)
  }if(function(){var a=0,c=function(d){this.key=d
  };
  c.prototype.key="foo";
  for(var b in new c("bar")){a++
  }return a>1
  }()){Hash.prototype._each=function(c){var a=[];
  for(var b in this){var d=this[b];
  if((d&&d==Hash.prototype[b])||a.include(b)){continue
  }a.push(b);
  var e=[b,d];
  e.key=b;
  e.value=d;
  c(e)
  }}
  }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(f){if(typeof f[d]=="function"){try{f[d].apply(f,[b,c,a])
  }catch(g){}}})
  }};
  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(a){this.url=a;
  this.method=this.options.method;
  var c=Object.clone(this.options.parameters);
  if(!["get","post"].include(this.method)){c._method=this.method;
  this.method="post"
  }this.parameters=c;
  if(c=Hash.toQueryString(c)){if(this.method=="get"||this.options.postBody){this.url+=(this.url.include("?")?"&":"?")+c
  }else{if(/Konqueror|Safari|KHTML/.test(navigator.userAgent)){c+="&_="
  }}}try{if(this.options.onCreate){this.options.onCreate(this.transport)
  }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();
  this.body=this.method=="post"?(this.options.postBody||c):null;
  this.transport.send(this.body);
  if(!this.options.asynchronous&&this.transport.overrideMimeType){this.onStateChange()
  }}catch(b){this.dispatchException(b)
  }},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 g=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)(g,b)
  }catch(d){this.dispatchException(d)
  }var f=this.getHeader("Content-type");
  if(f&&f.strip().match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i)){this.evalResponse()
  }}try{(this.options["on"+c]||Prototype.emptyFunction)(g,b);
  Ajax.Responders.dispatch("on"+c,this,g,b)
  }catch(d){this.dispatchException(d)
  }if(c=="Complete"){this.transport.onreadystatechange=Prototype.emptyFunction
  }},getHeader:function(a){try{return this.transport.getResponseHeader(a)
  }catch(b){return null
  }},evalJSON:function(){try{var a=this.getHeader("X-JSON");
  return a?a.evalJSON():null
  }catch(b){return null
  }},evalResponse:function(){try{return eval((this.transport.responseText||"").unfilterJSON())
  }catch(e){this.dispatchException(e)
  }},dispatchException:function(a){(this.options.onException||Prototype.emptyFunction)(this,a);
  Ajax.Responders.dispatch("onException",this,a)
  }});
  Ajax.Updater=Class.create();
  Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{initialize:function(a,c,b){this.container={success:(a.success||a),failure:(a.failure||(a.success?null:a))};
  this.transport=Ajax.getTransport();
  this.setOptions(b);
  var d=this.options.onComplete||Prototype.emptyFunction;
  this.options.onComplete=(function(f,e){this.updateContent();
  d(f,e)
  }).bind(this);
  this.request(c)
  },updateContent:function(){var b=this.container[this.success()?"success":"failure"];
  var a=this.transport.responseText;
  if(!this.options.evalScripts){a=a.stripScripts()
  }if(b=$(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.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,$(a)||document,null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
  for(var b=0,d=e.snapshotLength;
  b<d;
  b++){c.push(e.snapshotItem(b))
  }return c
  };
  document.getElementsByClassName=function(b,a){var c=".//*[contains(concat(' ', @class, ' '), ' "+b+" ')]";
  return document._getElementsByXPath(c,a)
  }
  }else{document.getElementsByClassName=function(d,a){var c=($(a)||document.body).getElementsByTagName("*");
  var f=[],g;
  for(var b=0,e=c.length;
  b<e;
  b++){g=c[b];
  if(Element.hasClassName(g,d)){f.push(Element.extend(g))
  }}return f
  }
  }if(!window.Element){var Element={}
  }Element.extend=function(e){var f=Prototype.BrowserFeatures;
  if(!e||!e.tagName||e.nodeType==3||e._extended||f.SpecificElementExtensions||e==window){return e
  }var b={},d=e.tagName,a=Element.extend.cache,c=Element.Methods.ByTag;
  if(!f.ElementExtensions){Object.extend(b,Element.Methods),Object.extend(b,Element.Methods.Simulated)
  }if(c[d]){Object.extend(b,c[d])
  }for(var h in b){var g=b[h];
  if(typeof g=="function"&&!(h in e)){e[h]=a.findOrStore(g)
  }}e._extended=Prototype.emptyFunction;
  return e
  };
  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("*")).each(Element.extend)
  },firstDescendant:function(a){a=$(a).firstChild;
  while(a&&a.nodeType!=1){a=a.nextSibling
  }return $(a)
  },immediateDescendants:function(a){if(!(a=$(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($(b))
  },up:function(b,d,a){b=$(b);
  if(arguments.length==1){return $(b.parentNode)
  }var c=b.ancestors();
  return d?Selector.findElement(c,d,a):c[a||0]
  },down:function(b,c,a){b=$(b);
  if(arguments.length==1){return b.firstDescendant()
  }var d=b.descendants();
  return c?Selector.findElement(d,c,a):d[a||0]
  },previous:function(b,d,a){b=$(b);
  if(arguments.length==1){return $(Selector.handlers.previousElementSibling(b))
  }var c=b.previousSiblings();
  return d?Selector.findElement(c,d,a):c[a||0]
  },next:function(c,d,b){c=$(c);
  if(arguments.length==1){return $(Selector.handlers.nextElementSibling(c))
  }var a=c.nextSiblings();
  return d?Selector.findElement(a,d,b):a[b||0]
  },getElementsBySelector:function(){var a=$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(Prototype.Browser.IE){if(!c.attributes){return null
  }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];
  return d?d.nodeValue:null
  }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 $(a).innerHTML.blank()
  },descendantOf:function(b,a){b=$(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);
  c=c=="float"?"cssFloat":c.camelize();
  var d=b.style[c];
  if(!d){var a=document.defaultView.getComputedStyle(b,null);
  d=a?a[c]:null
  }if(c=="opacity"){return d?parseFloat(d):1
  }return d=="auto"?null:d
  },getOpacity:function(a){return $(a).getStyle("opacity")
  },setStyle:function(a,c,b){a=$(a);
  var e=a.style;
  for(var d in c){if(d=="opacity"){a.setOpacity(c[d])
  }else{e[(d=="float"||d=="cssFloat")?(e.styleFloat===undefined?"cssFloat":"styleFloat"):(b?d:d.camelize())]=c[d]
  }}return a
  },setOpacity:function(a,b){a=$(a);
  a.style.opacity=(b==1||b==="")?"":(b<0.00001)?0:b;
  return a
  },getDimensions:function(c){c=$(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=$(a);
  if(!a._overflow){return a
  }a.style.overflow=a._overflow=="auto"?"":a._overflow;
  a._overflow=null;
  return a
  }};
  Object.extend(Element.Methods,{childOf:Element.Methods.descendantOf,childElements:Element.Methods.immediateDescendants});
  if(Prototype.Browser.Opera){Element.Methods._getStyle=Element.Methods.getStyle;
  Element.Methods.getStyle=function(a,b){switch(b){case"left":case"top":case"right":case"bottom":if(Element._getStyle(a,"position")=="static"){return null
  }default:return Element._getStyle(a,b)
  }}
  }else{if(Prototype.Browser.IE){Element.Methods.getStyle=function(a,b){a=$(a);
  b=(b=="float"||b=="cssFloat")?"styleFloat":b.camelize();
  var c=a.style[b];
  if(!c&&a.currentStyle){c=a.currentStyle[b]
  }if(b=="opacity"){if(c=(a.getStyle("filter")||"").match(/alpha\(opacity=(.*)\)/)){if(c[1]){return parseFloat(c[1])/100
  }}return 1
  }if(c=="auto"){if((b=="width"||b=="height")&&(a.getStyle("display")!="none")){return a["offset"+b.capitalize()]+"px"
  }return null
  }return c
  };
  Element.Methods.setOpacity=function(a,d){a=$(a);
  var c=a.getStyle("filter"),b=a.style;
  if(d==1||d===""){b.filter=c.replace(/alpha\([^\)]*\)/gi,"");
  return a
  }else{if(d<0.00001){d=0
  }}b.filter=c.replace(/alpha\([^\)]*\)/gi,"")+"alpha(opacity="+(d*100)+")";
  return a
  };
  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
  });
  $A(d.childNodes).each(function(e){c.appendChild(e)
  })
  }else{c.innerHTML=b.stripScripts()
  }setTimeout(function(){b.evalScripts()
  },10);
  return c
  }
  }else{if(Prototype.Browser.Gecko){Element.Methods.setOpacity=function(a,b){a=$(a);
  a.style.opacity=(b==1)?0.999999:(b==="")?"":(b<0.00001)?0:b;
  return a
  }
  }}}Element._attributeTranslations={names:{colspan:"colSpan",rowspan:"rowSpan",valign:"vAlign",datetime:"dateTime",accesskey:"accessKey",tabindex:"tabIndex",enctype:"encType",maxlength:"maxLength",readonly:"readOnly",longdesc:"longDesc"},values:{_getAttr:function(a,b){return a.getAttribute(b,2)
  },_flag:function(a,b){return $(a).hasAttribute(b)?b:null
  },style:function(a){return a.style.cssText.toLowerCase()
  },title:function(a){var b=a.getAttributeNode("title");
  return b.specified?b.nodeValue:null
  }}};
  (function(){Object.extend(this,{href:this._getAttr,src:this._getAttr,type:this._getAttr,disabled:this._flag,checked:this._flag,readonly:this._flag,multiple:this._flag})
  }).call(Element._attributeTranslations.values);
  Element.Methods.Simulated={hasAttribute:function(b,d){var a=Element._attributeTranslations,c;
  d=a.names[d]||d;
  c=$(b).getAttributeNode(d);
  return c&&c.specified
  }};
  Element.Methods.ByTag={};
  Object.extend(Element,Element.Methods);
  if(!Prototype.BrowserFeatures.ElementExtensions&&document.createElement("div").__proto__){window.HTMLElement={};
  window.HTMLElement.prototype=document.createElement("div").__proto__;
  Prototype.BrowserFeatures.ElementExtensions=true
  }Element.hasAttribute=function(a,b){if(a.hasAttribute){return a.hasAttribute(b)
  }return Element.Methods.Simulated.hasAttribute(a,b)
  };
  Element.addMethods=function(c){var h=Prototype.BrowserFeatures,d=Element.Methods.ByTag;
  if(!c){Object.extend(Form,Form.Methods);
  Object.extend(Form.Element,Form.Element.Methods);
  Object.extend(Element.Methods.ByTag,{FORM:Object.clone(Form.Methods),INPUT:Object.clone(Form.Element.Methods),SELECT:Object.clone(Form.Element.Methods),TEXTAREA:Object.clone(Form.Element.Methods)})
  }if(arguments.length==2){var b=c;
  c=arguments[1]
  }if(!b){Object.extend(Element.Methods,c||{})
  }else{if(b.constructor==Array){b.each(g)
  }else{g(b)
  }}function g(j){j=j.toUpperCase();
  if(!Element.Methods.ByTag[j]){Element.Methods.ByTag[j]={}
  }Object.extend(Element.Methods.ByTag[j],c)
  }function a(m,k,j){j=j||false;
  var l=Element.extend.cache;
  for(var o in m){var n=m[o];
  if(!j||!(o in k)){k[o]=l.findOrStore(n)
  }}}function e(l){var j;
  var k={OPTGROUP:"OptGroup",TEXTAREA:"TextArea",P:"Paragraph",FIELDSET:"FieldSet",UL:"UList",OL:"OList",DL:"DList",DIR:"Directory",H1:"Heading",H2:"Heading",H3:"Heading",H4:"Heading",H5:"Heading",H6:"Heading",Q:"Quote",INS:"Mod",DEL:"Mod",A:"Anchor",IMG:"Image",CAPTION:"TableCaption",COL:"TableCol",COLGROUP:"TableCol",THEAD:"TableSection",TFOOT:"TableSection",TBODY:"TableSection",TR:"TableRow",TH:"TableCell",TD:"TableCell",FRAMESET:"FrameSet",IFRAME:"IFrame"};
  if(k[l]){j="HTML"+k[l]+"Element"
  }if(window[j]){return window[j]
  }j="HTML"+l+"Element";
  if(window[j]){return window[j]
  }j="HTML"+l.capitalize()+"Element";
  if(window[j]){return window[j]
  }window[j]={};
  window[j].prototype=document.createElement(l).__proto__;
  return window[j]
  }if(h.ElementExtensions){a(Element.Methods,HTMLElement.prototype);
  a(Element.Methods.Simulated,HTMLElement.prototype,true)
  }if(h.SpecificElementExtensions){for(var i in Element.Methods.ByTag){var f=e(i);
  if(typeof f=="undefined"){continue
  }a(d[i],f.prototype)
  }}Object.extend(Element,Element.Methods);
  delete Element.ByTag
  };
  var 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.expression=a.strip();
  this.compileMatcher()
  },compileMatcher:function(){if(Prototype.BrowserFeatures.XPath&&!(/\[[\w-]*?:/).test(this.expression)){return this.compileXPathMatcher()
  }var e=this.expression,ps=Selector.patterns,h=Selector.handlers,c=Selector.criteria,le,p,m;
  if(Selector._cache[e]){this.matcher=Selector._cache[e];
  return
  }this.matcher=["this.matcher = function(root) {","var r = root, h = Selector.handlers, c = false, n;"];
  while(e&&le!=e&&(/\S/).test(e)){le=e;
  for(var i in ps){p=ps[i];
  if(m=e.match(p)){this.matcher.push(typeof c[i]=="function"?c[i](m):new Template(c[i]).evaluate(m));
  e=e.replace(m[0],"");
  break
  }}}this.matcher.push("return h.unique(n);\n}");
  eval(this.matcher.join("\n"));
  Selector._cache[this.expression]=this.matcher
  },compileXPathMatcher:function(){var f=this.expression,g=Selector.patterns,b=Selector.xpath,d,a;
  if(Selector._cache[f]){this.xpath=Selector._cache[f];
  return
  }this.matcher=[".//*"];
  while(f&&d!=f&&(/\S/).test(f)){d=f;
  for(var c in g){if(a=f.match(g[c])){this.matcher.push(typeof b[c]=="function"?b[c](a):new Template(b[c]).evaluate(a));
  f=f.replace(a[0],"");
  break
  }}}this.xpath=this.matcher.join("");
  Selector._cache[this.expression]=this.xpath
  },findElements:function(a){a=a||document;
  if(this.xpath){return document._getElementsByXPath(this.xpath,a)
  }return this.matcher(a)
  },match:function(a){return this.findElements(document).include(a)
  },toString:function(){return this.expression
  },inspect:function(){return"#<Selector:"+this.expression.inspect()+">"
  }};
  Object.extend(Selector,{_cache:{},xpath:{descendant:"//*",child:"/*",adjacent:"/following-sibling::*[1]",laterSibling:"/following-sibling::*",tagName:function(a){if(a[1]=="*"){return""
  }return"[local-name()='"+a[1].toLowerCase()+"' or local-name()='"+a[1].toUpperCase()+"']"
  },className:"[contains(concat(' ', @class, ' '), ' #{1} ')]",id:"[@id='#{1}']",attrPresence:"[@#{1}]",attr:function(a){a[3]=a[5]||a[6];
  return new Template(Selector.xpath.operators[a[2]]).evaluate(a)
  },pseudo:function(a){var b=Selector.xpath.pseudos[a[1]];
  if(!b){return""
  }if(typeof b==="function"){return b(a)
  }return new Template(Selector.xpath.pseudos[a[1]]).evaluate(a)
  },operators:{"=":"[@#{1}='#{3}']","!=":"[@#{1}!='#{3}']","^=":"[starts-with(@#{1}, '#{3}')]","$=":"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']","*=":"[contains(@#{1}, '#{3}')]","~=":"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]","|=":"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"},pseudos:{"first-child":"[not(preceding-sibling::*)]","last-child":"[not(following-sibling::*)]","only-child":"[not(preceding-sibling::* or following-sibling::*)]",empty:"[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",checked:"[@checked]",disabled:"[@disabled]",enabled:"[not(@disabled)]",not:function(b){var j=b[6],h=Selector.patterns,a=Selector.xpath,f,b,c;
  var g=[];
  while(j&&f!=j&&(/\S/).test(j)){f=j;
  for(var d in h){if(b=j.match(h[d])){c=typeof a[d]=="function"?a[d](b):new Template(a[d]).evaluate(b);
  g.push("("+c.substring(1,c.length-1)+")");
  j=j.replace(b[0],"");
  break
  }}}return"[not("+g.join(" and ")+")]"
  },"nth-child":function(a){return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ",a)
  },"nth-last-child":function(a){return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ",a)
  },"nth-of-type":function(a){return Selector.xpath.pseudos.nth("position() ",a)
  },"nth-last-of-type":function(a){return Selector.xpath.pseudos.nth("(last() + 1 - position()) ",a)
  },"first-of-type":function(a){a[6]="1";
  return Selector.xpath.pseudos["nth-of-type"](a)
  },"last-of-type":function(a){a[6]="1";
  return Selector.xpath.pseudos["nth-last-of-type"](a)
  },"only-of-type":function(a){var b=Selector.xpath.pseudos;
  return b["first-of-type"](a)+b["last-of-type"](a)
  },nth:function(g,e){var h,i=e[6],d;
  if(i=="even"){i="2n+0"
  }if(i=="odd"){i="2n+1"
  }if(h=i.match(/^(\d+)$/)){return"["+g+"= "+h[1]+"]"
  }if(h=i.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(h[1]=="-"){h[1]=-1
  }var f=h[1]?Number(h[1]):1;
  var c=h[2]?Number(h[2]):0;
  d="[((#{fragment} - #{b}) mod #{a} = 0) and ((#{fragment} - #{b}) div #{a} >= 0)]";
  return new Template(d).evaluate({fragment:g,a:f,b:c})
  }}}},criteria:{tagName:'n = h.tagName(n, r, "#{1}", c);   c = false;',className:'n = h.className(n, r, "#{1}", c); c = false;',id:'n = h.id(n, r, "#{1}", c);        c = false;',attrPresence:'n = h.attrPresence(n, r, "#{1}"); c = false;',attr:function(a){a[3]=(a[5]||a[6]);
  return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(a)
  },pseudo:function(a){if(a[6]){a[6]=a[6].replace(/"/g,'\\"')
  }return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(a)
  },descendant:'c = "descendant";',child:'c = "child";',adjacent:'c = "adjacent";',laterSibling:'c = "laterSibling";'},patterns:{laterSibling:/^\s*~\s*/,child:/^\s*>\s*/,adjacent:/^\s*\+\s*/,descendant:/^\s/,tagName:/^\s*(\*|[\w\-]+)(\b|$)?/,id:/^#([\w\-\*]+)(\b|$)/,className:/^\.([\w\-\*]+)(\b|$)/,pseudo:/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/,attrPresence:/^\[([\w]+)\]/,attr:/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/},handlers:{concat:function(d,c){for(var e=0,f;
  f=c[e];
  e++){d.push(f)
  }return d
  },mark:function(a){for(var b=0,c;
  c=a[b];
  b++){c._counted=true
  }return a
  },unmark:function(a){for(var b=0,c;
  c=a[b];
  b++){c._counted=undefined
  }return a
  },index:function(a,d,f){a._counted=true;
  if(d){for(var b=a.childNodes,e=b.length-1,c=1;
  e>=0;
  e--){node=b[e];
  if(node.nodeType==1&&(!f||node._counted)){node.nodeIndex=c++
  }}}else{for(var e=0,c=1,b=a.childNodes;
  node=b[e];
  e++){if(node.nodeType==1&&(!f||node._counted)){node.nodeIndex=c++
  }}}},unique:function(b){if(b.length==0){return b
  }var d=[],e;
  for(var c=0,a=b.length;
  c<a;
  c++){if(!(e=b[c])._counted){e._counted=true;
  d.push(Element.extend(e))
  }}return Selector.handlers.unmark(d)
  },descendant:function(a){var d=Selector.handlers;
  for(var c=0,b=[],e;
  e=a[c];
  c++){d.concat(b,e.getElementsByTagName("*"))
  }return b
  },child:function(a){var f=Selector.handlers;
  for(var e=0,d=[],g;
  g=a[e];
  e++){for(var b=0,c=[],k;
  k=g.childNodes[b];
  b++){if(k.nodeType==1&&k.tagName!="!"){d.push(k)
  }}}return d
  },adjacent:function(a){for(var c=0,b=[],e;
  e=a[c];
  c++){var d=this.nextElementSibling(e);
  if(d){b.push(d)
  }}return b
  },laterSibling:function(a){var d=Selector.handlers;
  for(var c=0,b=[],e;
  e=a[c];
  c++){d.concat(b,Element.nextSiblings(e))
  }return b
  },nextElementSibling:function(a){while(a=a.nextSibling){if(a.nodeType==1){return a
  }}return null
  },previousElementSibling:function(a){while(a=a.previousSibling){if(a.nodeType==1){return a
  }}return null
  },tagName:function(b,a,e,j){e=e.toUpperCase();
  var d=[],f=Selector.handlers;
  if(b){if(j){if(j=="descendant"){for(var c=0,g;
  g=b[c];
  c++){f.concat(d,g.getElementsByTagName(e))
  }return d
  }else{b=this[j](b)
  }if(e=="*"){return b
  }}for(var c=0,g;
  g=b[c];
  c++){if(g.tagName.toUpperCase()==e){d.push(g)
  }}return d
  }else{return a.getElementsByTagName(e)
  }},id:function(b,a,j,f){var g=$(j),d=Selector.handlers;
  if(!b&&a==document){return g?[g]:[]
  }if(b){if(f){if(f=="child"){for(var c=0,e;
  e=b[c];
  c++){if(g.parentNode==e){return[g]
  }}}else{if(f=="descendant"){for(var c=0,e;
  e=b[c];
  c++){if(Element.descendantOf(g,e)){return[g]
  }}}else{if(f=="adjacent"){for(var c=0,e;
  e=b[c];
  c++){if(Selector.handlers.previousElementSibling(g)==e){return[g]
  }}}else{b=d[f](b)
  }}}}for(var c=0,e;
  e=b[c];
  c++){if(e==g){return[g]
  }}return[]
  }return(g&&Element.descendantOf(g,a))?[g]:[]
  },className:function(b,a,c,d){if(b&&d){b=this[d](b)
  }return Selector.handlers.byClassName(b,a,c)
  },byClassName:function(c,b,f){if(!c){c=Selector.handlers.descendant([b])
  }var h=" "+f+" ";
  for(var e=0,d=[],g,a;
  g=c[e];
  e++){a=g.className;
  if(a.length==0){continue
  }if(a==f||(" "+a+" ").include(h)){d.push(g)
  }}return d
  },attrPresence:function(c,b,a){var e=[];
  for(var d=0,f;
  f=c[d];
  d++){if(Element.hasAttribute(f,a)){e.push(f)
  }}return e
  },attr:function(a,h,g,j,b){if(!a){a=h.getElementsByTagName("*")
  }var k=Selector.operators[b],d=[];
  for(var e=0,c;
  c=a[e];
  e++){var f=Element.readAttribute(c,g);
  if(f===null){continue
  }if(k(f,j)){d.push(c)
  }}return d
  },pseudo:function(b,c,e,a,d){if(b&&d){b=this[d](b)
  }if(!b){b=a.getElementsByTagName("*")
  }return Selector.pseudos[c](b,e,a)
  }},pseudos:{"first-child":function(b,f,a){for(var d=0,c=[],e;
  e=b[d];
  d++){if(Selector.handlers.previousElementSibling(e)){continue
  }c.push(e)
  }return c
  },"last-child":function(b,f,a){for(var d=0,c=[],e;
  e=b[d];
  d++){if(Selector.handlers.nextElementSibling(e)){continue
  }c.push(e)
  }return c
  },"only-child":function(b,g,a){var e=Selector.handlers;
  for(var d=0,c=[],f;
  f=b[d];
  d++){if(!e.previousElementSibling(f)&&!e.nextElementSibling(f)){c.push(f)
  }}return c
  },"nth-child":function(b,c,a){return Selector.pseudos.nth(b,c,a)
  },"nth-last-child":function(b,c,a){return Selector.pseudos.nth(b,c,a,true)
  },"nth-of-type":function(b,c,a){return Selector.pseudos.nth(b,c,a,false,true)
  },"nth-last-of-type":function(b,c,a){return Selector.pseudos.nth(b,c,a,true,true)
  },"first-of-type":function(b,c,a){return Selector.pseudos.nth(b,"1",a,false,true)
  },"last-of-type":function(b,c,a){return Selector.pseudos.nth(b,"1",a,true,true)
  },"only-of-type":function(b,d,a){var c=Selector.pseudos;
  return c["last-of-type"](c["first-of-type"](b,d,a),d,a)
  },getIndices:function(d,c,e){if(d==0){return c>0?[c]:[]
  }return $R(1,e).inject([],function(a,b){if(0==(b-c)%d&&(b-c)/d>=0){a.push(b)
  }return a
  })
  },nth:function(c,s,u,r,e){if(c.length==0){return[]
  }if(s=="even"){s="2n+0"
  }if(s=="odd"){s="2n+1"
  }var q=Selector.handlers,p=[],d=[],g;
  q.mark(c);
  for(var o=0,f;
  f=c[o];
  o++){if(!f.parentNode._counted){q.index(f.parentNode,r,e);
  d.push(f.parentNode)
  }}if(s.match(/^\d+$/)){s=Number(s);
  for(var o=0,f;
  f=c[o];
  o++){if(f.nodeIndex==s){p.push(f)
  }}}else{if(g=s.match(/^(-?\d*)?n(([+-])(\d+))?/)){if(g[1]=="-"){g[1]=-1
  }var v=g[1]?Number(g[1]):1;
  var t=g[2]?Number(g[2]):0;
  var w=Selector.pseudos.getIndices(v,t,c.length);
  for(var o=0,f,k=w.length;
  f=c[o];
  o++){for(var n=0;
  n<k;
  n++){if(f.nodeIndex==w[n]){p.push(f)
  }}}}}q.unmark(c);
  q.unmark(d);
  return p
  },empty:function(b,f,a){for(var d=0,c=[],e;
  e=b[d];
  d++){if(e.tagName=="!"||(e.firstChild&&!e.innerHTML.match(/^\s*$/))){continue
  }c.push(e)
  }return c
  },not:function(a,d,k){var g=Selector.handlers,l,c;
  var j=new Selector(d).findElements(k);
  g.mark(j);
  for(var f=0,e=[],b;
  b=a[f];
  f++){if(!b._counted){e.push(b)
  }}g.unmark(j);
  return e
  },enabled:function(b,f,a){for(var d=0,c=[],e;
  e=b[d];
  d++){if(!e.disabled){c.push(e)
  }}return c
  },disabled:function(b,f,a){for(var d=0,c=[],e;
  e=b[d];
  d++){if(e.disabled){c.push(e)
  }}return c
  },checked:function(b,f,a){for(var d=0,c=[],e;
  e=b[d];
  d++){if(e.checked){c.push(e)
  }}return c
  }},operators:{"=":function(b,a){return b==a
  },"!=":function(b,a){return b!=a
  },"^=":function(b,a){return b.startsWith(a)
  },"$=":function(b,a){return b.endsWith(a)
  },"*=":function(b,a){return b.include(a)
  },"~=":function(b,a){return(" "+b+" ").include(" "+a+" ")
  },"|=":function(b,a){return("-"+b.toUpperCase()+"-").include("-"+a.toUpperCase()+"-")
  }},matchElements:function(f,g){var e=new Selector(g).findElements(),d=Selector.handlers;
  d.mark(e);
  for(var c=0,b=[],a;
  a=f[c];
  c++){if(a._counted){b.push(a)
  }}d.unmark(e);
  return b
  },findElement:function(b,c,a){if(typeof c=="number"){a=c;
  c=false
  }return Selector.matchElements(b,c||"*")[a||0]
  },findChildElements:function(e,g){var j=g.join(","),g=[];
  j.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/,function(h){g.push(h[1].strip())
  });
  var d=[],f=Selector.handlers;
  for(var c=0,b=g.length,a;
  c<b;
  c++){a=new Selector(g[c].strip());
  f.concat(d,a.findElements(e))
  }return(b>1)?f.unique(d):d
  }});
  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!=null){if(e in d){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);
  Form.getElements(a).invoke("disable");
  return a
  },enable:function(a){a=$(a);
  Form.getElements(a).invoke("enable");
  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
  },request:function(b,a){b=$(b),a=Object.clone(a||{});
  var c=a.parameters;
  a.parameters=b.serialize(true);
  if(c){if(typeof c=="string"){c=c.toQueryParams()
  }Object.extend(a.parameters,c)
  }if(b.hasAttribute("method")&&!a.method){a.method=b.method
  }return new Ajax.Request(b.readAttribute("action"),a)
  }};
  Form.Element={focus:function(a){$(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);
  try{a.focus();
  if(a.select&&(a.tagName.toLowerCase()!="input"||!["button","reset","submit"].include(a.type))){a.select()
  }}catch(b){}return a
  },disable:function(a){a=$(a);
  a.blur();
  a.disabled=true;
  return a
  },enable:function(a){a=$(a);
  a.disabled=false;
  return a
  }};
  var Field=Form.Element;
  var $F=Form.Element.Methods.getValue;
  Form.Element.Serializers={input:function(a){switch(a.type.toLowerCase()){case"checkbox":case"radio":return Form.Element.Serializers.inputSelector(a);
  default:return Form.Element.Serializers.textarea(a)
  }},inputSelector:function(a){return a.checked?a.value:null
  },textarea:function(a){return a.value
  },select:function(a){return this[a.type=="select-one"?"selectOne":"selectMany"](a)
  },selectOne:function(b){var a=b.selectedIndex;
  return a>=0?this.optionValue(b.options[a]):null
  },selectMany:function(d){var a,e=d.length;
  if(!e){return null
  }for(var c=0,a=[];
  c<e;
  c++){var b=d.options[c];
  if(b.selected){a.push(this.optionValue(b))
  }}return a
  },optionValue:function(a){return Element.extend(a).hasAttribute("value")?a.value:a.text
  }};
  Abstract.TimedObserver=function(){};
  Abstract.TimedObserver.prototype={initialize:function(a,b,c){this.frequency=b;
  this.element=$(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"&&(Prototype.Browser.WebKit||d.attachEvent)){c="keydown"
  }Event._observeAndCache(d,c,b,a)
  },stopObserving:function(d,c,b,a){d=$(d);
  a=a||false;
  if(c=="keypress"&&(Prototype.Browser.WebKit||d.attachEvent)){c="keydown"
  }if(d.removeEventListener){d.removeEventListener(c,b,a)
  }else{if(d.detachEvent){try{d.detachEvent("on"+c,b)
  }catch(f){}}}}});
  if(Prototype.Browser.IE){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(Prototype.Browser.WebKit){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();