/* - prototype.js - */
// http://ebird.org/content/birdsleuth/portal_javascripts/prototype.js?original=1
var Prototype={Version:'1.6.0.2',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,MobileSafari:!!navigator.userAgent.match(/Apple.*Mobile.*Safari/)},BrowserFeatures:{XPath:!!document.evaluate,ElementExtensions:!!window.HTMLElement,SpecificElementExtensions:document.createElement('div').__proto__&&document.createElement('div').__proto__!==document.createElement('form').__proto__},ScriptFragment:'<script[^>]*>([\\S\\s]*?)<\/script>',JSONFilter:/^\/\*-secure-([\s\S]*)\*\/\s*$/,emptyFunction: function(){},K: function(x){return x}};if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;var Class={create: function(){var parent=null,properties=$A(arguments);if(Object.isFunction(properties[0]))
parent=properties.shift();
function klass(){this.initialize.apply(this,arguments)}
Object.extend(klass,Class.Methods);klass.superclass=parent;klass.subclasses=[];if(parent){var subclass=function(){};subclass.prototype=parent.prototype;klass.prototype=new subclass;parent.subclasses.push(klass)}
for(var i=0;i<properties.length;i++)
klass.addMethods(properties[i]);if(!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;klass.prototype.constructor=klass;return klass}};Class.Methods={addMethods: function(source){var ancestor=this.superclass&&this.superclass.prototype;var properties=Object.keys(source);if(!Object.keys({toString:true}).length)
properties.push("toString","valueOf");for(var i=0,length=properties.length;i<length;i++){var property=properties[i],value=source[property];if(ancestor&&Object.isFunction(value)&&value.argumentNames().first()=="$super"){var method=value,value=Object.extend((function(m){return function(){return ancestor[m].apply(this,arguments)}})(property).wrap(method),{valueOf: function(){return method},toString: function(){return method.toString()}})}
this.prototype[property]=value}
return this}};var Abstract={};Object.extend=function(destination,source){for(var property in source)
destination[property]=source[property];return destination};Object.extend(Object,{inspect: function(object){try{if(Object.isUndefined(object)) return 'undefined';if(object===null) return 'null';return object.inspect?object.inspect():String(object)} catch(e){if(e instanceof RangeError) return '...';throw e}},toJSON: function(object){var type=typeof object;switch(type){case 'undefined':case 'function':case 'unknown':return;case 'boolean':return object.toString()}
if(object===null) return 'null';if(object.toJSON) return object.toJSON();if(Object.isElement(object)) return;var results=[];for(var property in object){var value=Object.toJSON(object[property]);if(!Object.isUndefined(value))
results.push(property.toJSON()+': '+value)}
return '{'+results.join(', ')+'}'},toQueryString: function(object){return $H(object).toQueryString()},toHTML: function(object){return object&&object.toHTML?object.toHTML():String.interpret(object)},keys: function(object){var keys=[];for(var property in object)
keys.push(property);return keys},values: function(object){var values=[];for(var property in object)
values.push(object[property]);return values},clone: function(object){return Object.extend({},object)},isElement: function(object){return object&&object.nodeType==1},isArray: function(object){return object!=null&&typeof object=="object"&&'splice' in object&&'join' in object},isHash: function(object){return object instanceof Hash},isFunction: function(object){return typeof object=="function"},isString: function(object){return typeof object=="string"},isNumber: function(object){return typeof object=="number"},isUndefined: function(object){return typeof object=="undefined"}});Object.extend(Function.prototype,{argumentNames: function(){var names=this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");return names.length==1&&!names[0]?[]:names},bind: function(){if(arguments.length<2&&Object.isUndefined(arguments[0])) return this;var __method=this,args=$A(arguments),object=args.shift();return function(){return __method.apply(object,args.concat($A(arguments)))}},bindAsEventListener: function(){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[event||window.event].concat(args))}},curry: function(){if(!arguments.length) return this;var __method=this,args=$A(arguments);return function(){return __method.apply(this,args.concat($A(arguments)))}},delay: function(){var __method=this,args=$A(arguments),timeout=args.shift() * 1000;return window.setTimeout(function(){return __method.apply(__method,args)},timeout)},wrap: function(wrapper){var __method=this;return function(){return wrapper.apply(this,[__method.bind(this)].concat($A(arguments)))}},methodize: function(){if(this._methodized) return this._methodized;var __method=this;return this._methodized=function(){return __method.apply(null,[this].concat($A(arguments)))}}});Function.prototype.defer=Function.prototype.delay.curry(0.01);Date.prototype.toJSON=function(){return '"'+this.getUTCFullYear()+'-'+(this.getUTCMonth()+1).toPaddedString(2)+'-'+this.getUTCDate().toPaddedString(2)+'T'+this.getUTCHours().toPaddedString(2)+':'+this.getUTCMinutes().toPaddedString(2)+':'+this.getUTCSeconds().toPaddedString(2)+'Z"'};var Try={these: function(){var returnValue;for(var i=0,length=arguments.length;i<length;i++){var lambda=arguments[i];try{returnValue=lambda();break} catch(e){}}
return returnValue}};RegExp.prototype.match=RegExp.prototype.test;RegExp.escape=function(str){return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g,'\\$1')};var PeriodicalExecuter=Class.create({initialize: function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback()},registerCallback: function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency * 1000)},execute: function(){this.callback(this)},stop: function(){if(!this.timer) return;clearInterval(this.timer);this.timer=null},onTimerEvent: function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.execute()} finally{this.currentlyExecuting=false}}}});Object.extend(String,{interpret: function(value){return value==null?'':String(value)},specialChar:{'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','\\':'\\\\'}});Object.extend(String.prototype,{gsub: function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length>0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length)} else{result+=source,source=''}}
return result},sub: function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=Object.isUndefined(count)?1:count;return this.gsub(pattern, function(match){if(--count<0) return match[0];return replacement(match)})},scan: function(pattern,iterator){this.gsub(pattern,iterator);return String(this)},truncate: function(length,truncation){length=length||30;truncation=Object.isUndefined(truncation)?'...':truncation;return this.length>length?this.slice(0,length-truncation.length)+truncation:String(this)},strip: function(){return this.replace(/^\s+/, '').replace(/\s+$/,'')},stripTags: function(){return this.replace(/<\/?[^>]+>/gi,'')},stripScripts: function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'')},extractScripts: function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1]})},evalScripts: function(){return this.extractScripts().map(function(script){return eval(script)})},escapeHTML: function(){var self=arguments.callee;self.text.data=this;return self.div.innerHTML},unescapeHTML: function(){var div=new Element('div');div.innerHTML=this.stripTags();return div.childNodes[0]?(div.childNodes.length>1?$A(div.childNodes).inject('', function(memo,node){return memo+node.nodeValue}):div.childNodes[0].nodeValue):''},toQueryParams: function(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match) return{};return match[1].split(separator||'&').inject({}, function(hash,pair){if((pair=pair.split('='))[0]){var key=decodeURIComponent(pair.shift());var value=pair.length>1?pair.join('='):pair[0];if(value!=undefined) value=decodeURIComponent(value);if(key in hash){if(!Object.isArray(hash[key])) hash[key]=[hash[key]];hash[key].push(value)}
else hash[key]=value}
return hash})},toArray: function(){return this.split('')},succ: function(){return this.slice(0,this.length-1)+String.fromCharCode(this.charCodeAt(this.length-1)+1)},times: function(count){return count<1?'':new Array(count+1).join(this)},camelize: function(){var parts=this.split('-'),len=parts.length;if(len==1) return parts[0];var camelized=this.charAt(0)=='-'?parts[0].charAt(0).toUpperCase()+parts[0].substring(1):parts[0];for(var i=1;i<len;i++)
camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);return camelized},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(useDoubleQuotes){var escapedString=this.gsub(/[\x00-\x1f\\]/, function(match){var character=String.specialChar[match[0]];return character?character:'\\u00'+match[0].charCodeAt().toPaddedString(2,16)});if(useDoubleQuotes) return '"'+escapedString.replace(/"/g, '\\"') + '"';return "'"+escapedString.replace(/'/g, '\\\'')+"'"},toJSON: function(){return this.inspect(true)},unfilterJSON: function(filter){return this.sub(filter||Prototype.JSONFilter,'#{1}')},isJSON: function(){var str=this;if(str.blank()) return false;str=this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g,'');return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str)},evalJSON: function(sanitize){var json=this.unfilterJSON();try{if(!sanitize||json.isJSON()) return eval('('+json+')')} catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect())},include: function(pattern){return this.indexOf(pattern)>-1},startsWith: function(pattern){return this.indexOf(pattern)===0},endsWith: function(pattern){var d=this.length-pattern.length;return d>=0&&this.lastIndexOf(pattern)===d},empty: function(){return this==''},blank: function(){return/^\s*$/.test(this)},interpolate: function(object,pattern){return new Template(this,pattern).evaluate(object)}});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(replacement){if(Object.isFunction(replacement)) return replacement;var template=new Template(replacement);return function(match){return template.evaluate(match)}};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({initialize: function(template,pattern){this.template=template.toString();this.pattern=pattern||Template.Pattern},evaluate: function(object){if(Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();return this.template.gsub(this.pattern, function(match){if(object==null) return '';var before=match[1]||'';if(before=='\\') return match[2];var ctx=object,expr=match[3];var pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;match=pattern.exec(expr);if(match==null) return before;while(match!=null){var comp=match[1].startsWith('[')?match[2].gsub('\\\\]',']'):match[1];ctx=ctx[comp];if(null==ctx||''==match[3]) break;expr=expr.substring('['==match[3]?match[1].length:match[0].length);match=pattern.exec(expr)}
return before+String.interpret(ctx)})}});Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;var $break={};var Enumerable={each: function(iterator,context){var index=0;iterator=iterator.bind(context);try{this._each(function(value){iterator(value,index++)})} catch(e){if(e!=$break) throw e}
return this},eachSlice: function(number,iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var index=-number,slices=[],array=this.toArray();while((index+=number)<array.length)
slices.push(array.slice(index,index+number));return slices.collect(iterator,context)},all: function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result=true;this.each(function(value,index){result=result&&!!iterator(value,index);if(!result) throw $break});return result},any: function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result=false;this.each(function(value,index){if(result=!!iterator(value,index))
throw $break});return result},collect: function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var results=[];this.each(function(value,index){results.push(iterator(value,index))});return results},detect: function(iterator,context){iterator=iterator.bind(context);var result;this.each(function(value,index){if(iterator(value,index)){result=value;throw $break}});return result},findAll: function(iterator,context){iterator=iterator.bind(context);var results=[];this.each(function(value,index){if(iterator(value,index))
results.push(value)});return results},grep: function(filter,iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var results=[];if(Object.isString(filter))
filter=new RegExp(filter);this.each(function(value,index){if(filter.match(value))
results.push(iterator(value,index))});return results},include: function(object){if(Object.isFunction(this.indexOf))
if(this.indexOf(object)!=-1) return true;var found=false;this.each(function(value){if(value==object){found=true;throw $break}});return found},inGroupsOf: function(number,fillWith){fillWith=Object.isUndefined(fillWith)?null:fillWith;return this.eachSlice(number, function(slice){while(slice.length<number) slice.push(fillWith);return slice})},inject: function(memo,iterator,context){iterator=iterator.bind(context);this.each(function(value,index){memo=iterator(memo,value,index)});return memo},invoke: function(method){var args=$A(arguments).slice(1);return this.map(function(value){return value[method].apply(value,args)})},max: function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result;this.each(function(value,index){value=iterator(value,index);if(result==null||value>=result)
result=value});return result},min: function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var result;this.each(function(value,index){value=iterator(value,index);if(result==null||value<result)
result=value});return result},partition: function(iterator,context){iterator=iterator?iterator.bind(context):Prototype.K;var trues=[],falses=[];this.each(function(value,index){(iterator(value,index)?trues:falses).push(value)});return [trues,falses]},pluck: function(property){var results=[];this.each(function(value){results.push(value[property])});return results},reject: function(iterator,context){iterator=iterator.bind(context);var results=[];this.each(function(value,index){if(!iterator(value,index))
results.push(value)});return results},sortBy: function(iterator,context){iterator=iterator.bind(context);return this.map(function(value,index){return{value:value,criteria:iterator(value,index)}}).sort(function(left,right){var a=left.criteria,b=right.criteria;return a<b?-1:a>b?1:0}).pluck('value')},toArray: function(){return this.map()},zip: function(){var iterator=Prototype.K,args=$A(arguments);if(Object.isFunction(args.last()))
iterator=args.pop();var collections=[this].concat(args).map($A);return this.map(function(value,index){return iterator(collections.pluck(index))})},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,filter:Enumerable.findAll,member:Enumerable.include,entries:Enumerable.toArray,every:Enumerable.all,some:Enumerable.any});
function $A(iterable){if(!iterable) return [];if(iterable.toArray) return iterable.toArray();var length=iterable.length||0,results=new Array(length);while(length--) results[length]=iterable[length];return results}
if(Prototype.Browser.WebKit){$A=function(iterable){if(!iterable) return [];if(!(Object.isFunction(iterable)&&iterable=='[object NodeList]')&&iterable.toArray) return iterable.toArray();var length=iterable.length||0,results=new Array(length);while(length--) results[length]=iterable[length];return results}}
Array.from=$A;Object.extend(Array.prototype,Enumerable);if(!Array.prototype._reverse) Array.prototype._reverse=Array.prototype.reverse;Object.extend(Array.prototype,{_each: function(iterator){for(var i=0,length=this.length;i<length;i++)
iterator(this[i])},clear: function(){this.length=0;return this},first: function(){return this[0]},last: function(){return this[this.length-1]},compact: function(){return this.select(function(value){return value!=null})},flatten: function(){return this.inject([], function(array,value){return array.concat(Object.isArray(value)?value.flatten():[value])})},without: function(){var values=$A(arguments);return this.select(function(value){return!values.include(value)})},reverse: function(inline){return(inline!==false?this:this.toArray())._reverse()},reduce: function(){return this.length>1?this:this[0]},uniq: function(sorted){return this.inject([], function(array,value,index){if(0==index||(sorted?array.last()!=value:!array.include(value)))
array.push(value);return array})},intersect: function(array){return this.uniq().findAll(function(item){return array.detect(function(value){return item===value})})},clone: function(){return [].concat(this)},size: function(){return this.length},inspect: function(){return '['+this.map(Object.inspect).join(', ')+']'},toJSON: function(){var results=[];this.each(function(object){var value=Object.toJSON(object);if(!Object.isUndefined(value)) results.push(value)});return '['+results.join(', ')+']'}});if(Object.isFunction(Array.prototype.forEach))
Array.prototype._each=Array.prototype.forEach;if(!Array.prototype.indexOf) Array.prototype.indexOf=function(item,i){i||(i=0);var length=this.length;if(i<0) i=length+i;for(;i<length;i++)
if(this[i]===item) return i;return-1};if(!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf=function(item,i){i=isNaN(i)?this.length:(i<0?this.length+i:i)+1;var n=this.slice(0,i).reverse().indexOf(item);return(n<0)?n:i-n-1};Array.prototype.toArray=Array.prototype.clone;
function $w(string){if(!Object.isString(string)) return [];string=string.strip();return string?string.split(/\s+/):[]}
if(Prototype.Browser.Opera){Array.prototype.concat=function(){var array=[];for(var i=0,length=this.length;i<length;i++) array.push(this[i]);for(var i=0,length=arguments.length;i<length;i++){if(Object.isArray(arguments[i])){for(var j=0,arrayLength=arguments[i].length;j<arrayLength;j++)
array.push(arguments[i][j])} else{array.push(arguments[i])}}
return array}}
Object.extend(Number.prototype,{toColorPart: function(){return this.toPaddedString(2,16)},succ: function(){return this+1},times: function(iterator){$R(0,this,true).each(iterator);return this},toPaddedString: function(length,radix){var string=this.toString(radix||10);return '0'.times(length-string.length)+string},toJSON: function(){return isFinite(this)?this.toString():'null'}});$w('abs round ceil floor').each(function(method){Number.prototype[method]=Math[method].methodize()});
function $H(object){return new Hash(object)};var Hash=Class.create(Enumerable,(function(){
function toQueryPair(key,value){if(Object.isUndefined(value)) return key;return key+'='+encodeURIComponent(String.interpret(value))}
return{initialize: function(object){this._object=Object.isHash(object)?object.toObject():Object.clone(object)},_each: function(iterator){for(var key in this._object){var value=this._object[key],pair=[key,value];pair.key=key;pair.value=value;iterator(pair)}},set: function(key,value){return this._object[key]=value},get: function(key){return this._object[key]},unset: function(key){var value=this._object[key];delete this._object[key];return value},toObject: function(){return Object.clone(this._object)},keys: function(){return this.pluck('key')},values: function(){return this.pluck('value')},index: function(value){var match=this.detect(function(pair){return pair.value===value});return match&&match.key},merge: function(object){return this.clone().update(object)},update: function(object){return new Hash(object).inject(this, function(result,pair){result.set(pair.key,pair.value);return result})},toQueryString: function(){return this.map(function(pair){var key=encodeURIComponent(pair.key),values=pair.value;if(values&&typeof values=='object'){if(Object.isArray(values))
return values.map(toQueryPair.curry(key)).join('&')}
return toQueryPair(key,values)}).join('&')},inspect: function(){return '#<Hash:{'+this.map(function(pair){return pair.map(Object.inspect).join(': ')}).join(', ')+'}>'},toJSON: function(){return Object.toJSON(this.toObject())},clone: function(){return new Hash(this)}}})());Hash.prototype.toTemplateReplacements=Hash.prototype.toObject;Hash.from=$H;var ObjectRange=Class.create(Enumerable,{initialize: function(start,end,exclusive){this.start=start;this.end=end;this.exclusive=exclusive},_each: function(iterator){var value=this.start;while(this.include(value)){iterator(value);value=value.succ()}},include: function(value){if(value<this.start)
return false;if(this.exclusive)
return value<this.end;return value<=this.end}});var $R=function(start,end,exclusive){return new ObjectRange(start,end,exclusive)};var Ajax={getTransport: function(){return Try.these(
function(){return new XMLHttpRequest()},
function(){return new ActiveXObject('Msxml2.XMLHTTP')},
function(){return new ActiveXObject('Microsoft.XMLHTTP')})||false},activeRequestCount:0};Ajax.Responders={responders:[],_each: function(iterator){this.responders._each(iterator)},register: function(responder){if(!this.include(responder))
this.responders.push(responder)},unregister: function(responder){this.responders=this.responders.without(responder)},dispatch: function(callback,request,transport,json){this.each(function(responder){if(Object.isFunction(responder[callback])){try{responder[callback].apply(responder,[request,transport,json])} catch(e){}}})}};Object.extend(Ajax.Responders,Enumerable);Ajax.Responders.register({onCreate: function(){Ajax.activeRequestCount++},onComplete: function(){Ajax.activeRequestCount--}});Ajax.Base=Class.create({initialize: function(options){this.options={method:'post',asynchronous:true,contentType:'application/x-www-form-urlencoded',encoding:'UTF-8',parameters:'',evalJSON:true,evalJS:true};Object.extend(this.options,options||{});this.options.method=this.options.method.toLowerCase();if(Object.isString(this.options.parameters))
this.options.parameters=this.options.parameters.toQueryParams();else if(Object.isHash(this.options.parameters))
this.options.parameters=this.options.parameters.toObject()}});Ajax.Request=Class.create(Ajax.Base,{_complete:false,initialize: function($super,url,options){$super(options);this.transport=Ajax.getTransport();this.request(url)},request: function(url){this.url=url;this.method=this.options.method;var params=Object.clone(this.options.parameters);if(!['get','post'].include(this.method)){params['_method']=this.method;this.method='post'}
this.parameters=params;if(params=Object.toQueryString(params)){if(this.method=='get')
this.url+=(this.url.include('?')?'&':'?')+params;else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params+='&_='}
try{var response=new Ajax.Response(this);if(this.options.onCreate) this.options.onCreate(response);Ajax.Responders.dispatch('onCreate',this,response);this.transport.open(this.method.toUpperCase(),this.url,this.options.asynchronous);if(this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);this.transport.onreadystatechange=this.onStateChange.bind(this);this.setRequestHeaders();this.body=this.method=='post'?(this.options.postBody||params):null;this.transport.send(this.body);if(!this.options.asynchronous&&this.transport.overrideMimeType)
this.onStateChange()}
catch(e){this.dispatchException(e)}},onStateChange: function(){var readyState=this.transport.readyState;if(readyState>1&&!((readyState==4)&&this._complete))
this.respondToReadyState(this.transport.readyState)},setRequestHeaders: function(){var headers={'X-Requested-With':'XMLHttpRequest','X-Prototype-Version':Prototype.Version,'Accept':'text/javascript, text/html, application/xml, text/xml, */*'};if(this.method=='post'){headers['Content-type']=this.options.contentType+(this.options.encoding?'; charset='+this.options.encoding:'');if(this.transport.overrideMimeType&&(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005)
headers['Connection']='close'}
if(typeof this.options.requestHeaders=='object'){var extras=this.options.requestHeaders;if(Object.isFunction(extras.push))
for(var i=0,length=extras.length;i<length;i+=2)
headers[extras[i]]=extras[i+1];else
$H(extras).each(function(pair){headers[pair.key]=pair.value})}
for(var name in headers)
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function $(element){if(arguments.length>1){for(var i=0,elements=[],length=arguments.length;i<length;i++)
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if(Object.isString(element))
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function(proceed,element,attribute){if(attribute==='title') return element.title;return proceed(element,attribute)})}
else if(Prototype.Browser.IE){Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(
function(proceed,element){element=$(element);var position=element.getStyle('position');if(position!=='static') return proceed(element);element.setStyle({position:'relative'});var value=proceed(element);element.setStyle({position:position});return value});$w('positionedOffset viewportOffset').each(function(method){Element.Methods[method]=Element.Methods[method].wrap(
function(proceed,element){element=$(element);var position=element.getStyle('position');if(position!=='static') return proceed(element);var offsetParent=element.getOffsetParent();if(offsetParent&&offsetParent.getStyle('position')==='fixed')
offsetParent.setStyle({zoom:1});element.setStyle({position:'relative'});var value=proceed(element);element.setStyle({position:position});return value})});Element.Methods.getStyle=function(element,style){element=$(element);style=(style=='float'||style=='cssFloat')?'styleFloat':style.camelize();var value=element.style[style];if(!value&&element.currentStyle) value=element.currentStyle[style];if(style=='opacity'){if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/))
if(value[1]) return parseFloat(value[1])/100;return 1.0}
if(value=='auto'){if((style=='width'||style=='height')&&(element.getStyle('display')!='none'))
return element['offset'+style.capitalize()]+'px';return null}
return value};Element.Methods.setOpacity=function(element,value){
function stripAlpha(filter){return filter.replace(/alpha\([^\)]*\)/gi,'')}
element=$(element);var currentStyle=element.currentStyle;if((currentStyle&&!currentStyle.hasLayout)||(!currentStyle&&element.style.zoom=='normal'))
element.style.zoom=1;var filter=element.getStyle('filter'),style=element.style;if(value==1||value===''){(filter=stripAlpha(filter))?style.filter=filter:style.removeAttribute('filter');return element} else if(value<0.00001) value=0;style.filter=stripAlpha(filter)+'alpha(opacity='+(value * 100)+')';return element};Element._attributeTranslations={read:{names:{'class':'className','for':'htmlFor'},values:{_getAttr: function(element,attribute){return element.getAttribute(attribute,2)},_getAttrNode: function(element,attribute){var node=element.getAttributeNode(attribute);return node?node.value:""},_getEv: function(element,attribute){attribute=element.getAttribute(attribute);return attribute?attribute.toString().slice(23,-2):null},_flag: function(element,attribute){return $(element).hasAttribute(attribute)?attribute:null},style: function(element){return element.style.cssText.toLowerCase()},title: function(element){return element.title}}}};Element._attributeTranslations.write={names:Object.extend({cellpadding:'cellPadding',cellspacing:'cellSpacing'},Element._attributeTranslations.read.names),values:{checked: function(element,value){element.checked=!!value},style: function(element,value){element.style.cssText=value?value:''}}};Element._attributeTranslations.has={};$w('colSpan rowSpan vAlign dateTime accessKey tabIndex '+'encType maxLength readOnly longDesc').each(function(attr){Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;Element._attributeTranslations.has[attr.toLowerCase()]=attr});(function(v){Object.extend(v,{href:v._getAttr,src:v._getAttr,type:v._getAttr,action:v._getAttrNode,disabled:v._flag,checked:v._flag,readonly:v._flag,multiple:v._flag,onload:v._getEv,onunload:v._getEv,onclick:v._getEv,ondblclick:v._getEv,onmousedown:v._getEv,onmouseup:v._getEv,onmouseover:v._getEv,onmousemove:v._getEv,onmouseout:v._getEv,onfocus:v._getEv,onblur:v._getEv,onkeypress:v._getEv,onkeydown:v._getEv,onkeyup:v._getEv,onsubmit:v._getEv,onreset:v._getEv,onselect:v._getEv,onchange:v._getEv})})(Element._attributeTranslations.read.values)}
else if(Prototype.Browser.Gecko&&/rv:1\.8\.0/.test(navigator.userAgent)){Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=(value==1)?0.999999:(value==='')?'':(value<0.00001)?0:value;return element}}
else if(Prototype.Browser.WebKit){Element.Methods.setOpacity=function(element,value){element=$(element);element.style.opacity=(value==1||value==='')?'':(value<0.00001)?0:value;if(value==1)
if(element.tagName=='IMG'&&element.width){element.width++;element.width--} else try{var n=document.createTextNode(' ');element.appendChild(n);element.removeChild(n)} catch(e){}
return element};Element.Methods.cumulativeOffset=function(element){var valueT=0,valueL=0;do{valueT+=element.offsetTop||0;valueL+=element.offsetLeft||0;if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute') break;element=element.offsetParent} while(element);return Element._returnOffset(valueL,valueT)}}
if(Prototype.Browser.IE||Prototype.Browser.Opera){Element.Methods.update=function(element,content){element=$(element);if(content&&content.toElement) content=content.toElement();if(Object.isElement(content)) return element.update().insert(content);content=Object.toHTML(content);var tagName=element.tagName.toUpperCase();if(tagName in Element._insertionTranslations.tags){$A(element.childNodes).each(function(node){element.removeChild(node)});Element._getContentFromAnonymousElement(tagName,content.stripScripts()).each(function(node){element.appendChild(node)})}
else element.innerHTML=content.stripScripts();content.evalScripts.bind(content).defer();return element}}
if('outerHTML' in document.createElement('div')){Element.Methods.replace=function(element,content){element=$(element);if(content&&content.toElement) content=content.toElement();if(Object.isElement(content)){element.parentNode.replaceChild(content,element);return element}
content=Object.toHTML(content);var parent=element.parentNode,tagName=parent.tagName.toUpperCase();if(Element._insertionTranslations.tags[tagName]){var nextSibling=element.next();var fragments=Element._getContentFromAnonymousElement(tagName,content.stripScripts());parent.removeChild(element);if(nextSibling)
fragments.each(function(node){parent.insertBefore(node,nextSibling)});else
fragments.each(function(node){parent.appendChild(node)})}
else element.outerHTML=content.stripScripts();content.evalScripts.bind(content).defer();return element}}
Element._returnOffset=function(l,t){var result=[l,t];result.left=l;result.top=t;return result};Element._getContentFromAnonymousElement=function(tagName,html){var div=new Element('div'),t=Element._insertionTranslations.tags[tagName];if(t){div.innerHTML=t[0]+html+t[1];t[2].times(function(){div=div.firstChild})} else div.innerHTML=html;return $A(div.childNodes)};Element._insertionTranslations={before: function(element,node){element.parentNode.insertBefore(node,element)},top: function(element,node){element.insertBefore(node,element.firstChild)},bottom: function(element,node){element.appendChild(node)},after: function(element,node){element.parentNode.insertBefore(node,element.nextSibling)},tags:{TABLE:['<table>','</table>',1],TBODY:['<table><tbody>','</tbody></table>',2],TR:['<table><tbody><tr>','</tr></tbody></table>',3],TD:['<table><tbody><tr><td>','</td></tr></tbody></table>',4],SELECT:['<select>','</select>',1]}};(function(){Object.extend(this.tags,{THEAD:this.tags.TBODY,TFOOT:this.tags.TBODY,TH:this.tags.TD})}).call(Element._insertionTranslations);Element.Methods.Simulated={hasAttribute: function(element,attribute){attribute=Element._attributeTranslations.has[attribute]||attribute;var node=$(element).getAttributeNode(attribute);return node&&node.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.extend=(function(){if(Prototype.BrowserFeatures.SpecificElementExtensions)
return Prototype.K;var Methods={},ByTag=Element.Methods.ByTag;var extend=Object.extend(function(element){if(!element||element._extendedByPrototype||element.nodeType!=1||element==window) return element;var methods=Object.clone(Methods),tagName=element.tagName,property,value;if(ByTag[tagName]) Object.extend(methods,ByTag[tagName]);for(property in methods){value=methods[property];if(Object.isFunction(value)&&!(property in element))
element[property]=value.methodize()}
element._extendedByPrototype=Prototype.emptyFunction;return element},{refresh: function(){if(!Prototype.BrowserFeatures.ElementExtensions){Object.extend(Methods,Element.Methods);Object.extend(Methods,Element.Methods.Simulated)}}});extend.refresh();return extend})();Element.hasAttribute=function(element,attribute){if(element.hasAttribute) return element.hasAttribute(attribute);return Element.Methods.Simulated.hasAttribute(element,attribute)};Element.addMethods=function(methods){var F=Prototype.BrowserFeatures,T=Element.Methods.ByTag;if(!methods){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 tagName=methods;methods=arguments[1]}
if(!tagName) Object.extend(Element.Methods,methods||{});else{if(Object.isArray(tagName)) tagName.each(extend);else extend(tagName)}
function extend(tagName){tagName=tagName.toUpperCase();if(!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName]={};Object.extend(Element.Methods.ByTag[tagName],methods)}
function copy(methods,destination,onlyIfAbsent){onlyIfAbsent=onlyIfAbsent||false;for(var property in methods){var value=methods[property];if(!Object.isFunction(value)) continue;if(!onlyIfAbsent||!(property in destination))
destination[property]=value.methodize()}}
function findDOMClass(tagName){var klass;var trans={"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(trans[tagName]) klass='HTML'+trans[tagName]+'Element';if(window[klass]) return window[klass];klass='HTML'+tagName+'Element';if(window[klass]) return window[klass];klass='HTML'+tagName.capitalize()+'Element';if(window[klass]) return window[klass];window[klass]={};window[klass].prototype=document.createElement(tagName).__proto__;return window[klass]}
if(F.ElementExtensions){copy(Element.Methods,HTMLElement.prototype);copy(Element.Methods.Simulated,HTMLElement.prototype,true)}
if(F.SpecificElementExtensions){for(var tag in Element.Methods.ByTag){var klass=findDOMClass(tag);if(Object.isUndefined(klass)) continue;copy(T[tag],klass.prototype)}}
Object.extend(Element,Element.Methods);delete Element.ByTag;if(Element.extend.refresh) Element.extend.refresh();Element.cache={}};document.viewport={getDimensions: function(){var dimensions={};var B=Prototype.Browser;$w('width height').each(function(d){var D=d.capitalize();dimensions[d]=(B.WebKit&&!document.evaluate)?self['inner'+D]:(B.Opera)?document.body['client'+D]:document.documentElement['client'+D]});return dimensions},getWidth: function(){return this.getDimensions().width},getHeight: function(){return this.getDimensions().height},getScrollOffsets: function(){return Element._returnOffset(window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop)}};Form.Element={focus: function(element){$(element).focus();return element},select: function(element){$(element).select();return element}};Form.Element.Methods={serialize: function(element){element=$(element);if(!element.disabled&&element.name){var value=element.getValue();if(value!=undefined){var pair={};pair[element.name]=value;return Object.toQueryString(pair)}}
return ''},getValue: function(element){element=$(element);var method=element.tagName.toLowerCase();return Form.Element.Serializers[method](element)},setValue: function(element,value){element=$(element);var method=element.tagName.toLowerCase();Form.Element.Serializers[method](element,value);return element},clear: function(element){$(element).value='';return element},present: function(element){return $(element).value!=''},activate: function(element){element=$(element);try{element.focus();if(element.select&&(element.tagName.toLowerCase()!='input'||!['button','reset','submit'].include(element.type)))
element.select()} catch(e){}
return element},disable: function(element){element=$(element);element.blur();element.disabled=true;return element},enable: function(element){element=$(element);element.disabled=false;return element}};var Field=Form.Element;var $F=Form.Element.Methods.getValue;Form.Element.Serializers={input: function(element,value){switch(element.type.toLowerCase()){case 'checkbox':case 'radio':return Form.Element.Serializers.inputSelector(element,value);default:return Form.Element.Serializers.textarea(element,value)}},inputSelector: function(element,value){if(Object.isUndefined(value)) return element.checked?element.value:null;else element.checked=!!value},textarea: function(element,value){if(Object.isUndefined(value)) return element.value;else element.value=value},select: function(element,index){if(Object.isUndefined(index))
return this[element.type=='select-one'?'selectOne':'selectMany'](element);else{var opt,value,single=!Object.isArray(index);for(var i=0,length=element.length;i<length;i++){opt=element.options[i];value=this.optionValue(opt);if(single){if(value==index){opt.selected=true;return}}
else opt.selected=index.include(value)}}},selectOne: function(element){var index=element.selectedIndex;return index>=0?this.optionValue(element.options[index]):null},selectMany: function(element){var values,length=element.length;if(!length) return null;for(var i=0,values=[];i<length;i++){var opt=element.options[i];if(opt.selected) values.push(this.optionValue(opt))}
return values},optionValue: function(opt){return Element.extend(opt).hasAttribute('value')?opt.value:opt.text}};Abstract.TimedObserver=Class.create(PeriodicalExecuter,{initialize: function($super,element,frequency,callback){$super(callback,frequency);this.element=$(element);this.lastValue=this.getValue()},execute: function(){var value=this.getValue();if(Object.isString(this.lastValue)&&Object.isString(value)?this.lastValue!=value:String(this.lastValue)!=String(value)){this.callback(this.element,value);this.lastValue=value}}});Form.Element.Observer=Class.create(Abstract.TimedObserver,{getValue: function(){return Form.Element.getValue(this.element)}});Form.Observer=Class.create(Abstract.TimedObserver,{getValue: function(){return Form.serialize(this.element)}});Abstract.EventObserver=Class.create({initialize: function(element,callback){this.element=$(element);this.callback=callback;this.lastValue=this.getValue();if(this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();else
this.registerCallback(this.element)},onElementEvent: function(){var value=this.getValue();if(this.lastValue!=value){this.callback(this.element,value);this.lastValue=value}},registerFormCallbacks: function(){Form.getElements(this.element).each(this.registerCallback,this)},registerCallback: function(element){if(element.type){switch(element.type.toLowerCase()){case 'checkbox':case 'radio':Event.observe(element,'click',this.onElementEvent.bind(this));break;default:Event.observe(element,'change',this.onElementEvent.bind(this));break}}}});Form.Element.EventObserver=Class.create(Abstract.EventObserver,{getValue: function(){return Form.Element.getValue(this.element)}});Form.EventObserver=Class.create(Abstract.EventObserver,{getValue: function(){return Form.serialize(this.element)}});if(!window.Event) var Event={};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,KEY_INSERT:45,cache:{},relatedTarget: function(event){var element;switch(event.type){case 'mouseover':element=event.fromElement;break;case 'mouseout':element=event.toElement;break;default:return null}
return Element.extend(element)}});Event.Methods=(function(){var isButton;if(Prototype.Browser.IE){var buttonMap={0:1,1:4,2:2};isButton=function(event,code){return event.button==buttonMap[code]}} else if(Prototype.Browser.WebKit){isButton=function(event,code){switch(code){case 0:return event.which==1&&!event.metaKey;case 1:return event.which==1&&event.metaKey;default:return false}}} else{isButton=function(event,code){return event.which?(event.which===code+1):(event.button===code)}}
return{isLeftClick: function(event){return isButton(event,0)},isMiddleClick: function(event){return isButton(event,1)},isRightClick: function(event){return isButton(event,2)},element: function(event){var node=Event.extend(event).target;return Element.extend(node.nodeType==Node.TEXT_NODE?node.parentNode:node)},findElement: function(event,expression){var element=Event.element(event);if(!expression) return element;var elements=[element].concat(element.ancestors());return Selector.findElement(elements,expression,0)},pointer: function(event){return{x:event.pageX||(event.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft)),y:event.pageY||(event.clientY+(document.documentElement.scrollTop||document.body.scrollTop))}},pointerX: function(event){return Event.pointer(event).x},pointerY: function(event){return Event.pointer(event).y},stop: function(event){Event.extend(event);event.preventDefault();event.stopPropagation();event.stopped=true}}})();Event.extend=(function(){var methods=Object.keys(Event.Methods).inject({}, function(m,name){m[name]=Event.Methods[name].methodize();return m});if(Prototype.Browser.IE){Object.extend(methods,{stopPropagation: function(){this.cancelBubble=true},preventDefault: function(){this.returnValue=false},inspect: function(){return "[object Event]"}});return function(event){if(!event) return false;if(event._extendedByPrototype) return event;event._extendedByPrototype=Prototype.emptyFunction;var pointer=Event.pointer(event);Object.extend(event,{target:event.srcElement,relatedTarget:Event.relatedTarget(event),pageX:pointer.x,pageY:pointer.y});return Object.extend(event,methods)}} else{Event.prototype=Event.prototype||document.createEvent("HTMLEvents").__proto__;Object.extend(Event.prototype,methods);return Prototype.K}})();Object.extend(Event,(function(){var cache=Event.cache;
function getEventID(element){if(element._prototypeEventID) return element._prototypeEventID[0];arguments.callee.id=arguments.callee.id||1;return element._prototypeEventID=[++arguments.callee.id]}
function getDOMEventName(eventName){if(eventName&&eventName.include(':')) return "dataavailable";return eventName}
function getCacheForID(id){return cache[id]=cache[id]||{}}
function getWrappersForEventName(id,eventName){var c=getCacheForID(id);return c[eventName]=c[eventName]||[]}
function createWrapper(element,eventName,handler){var id=getEventID(element);var c=getWrappersForEventName(id,eventName);if(c.pluck("handler").include(handler)) return false;var wrapper=function(event){if(!Event||!Event.extend||(event.eventName&&event.eventName!=eventName))
return false;Event.extend(event);handler.call(element,event)};wrapper.handler=handler;c.push(wrapper);return wrapper}
function findWrapper(id,eventName,handler){var c=getWrappersForEventName(id,eventName);return c.find(function(wrapper){return wrapper.handler==handler})}
function destroyWrapper(id,eventName,handler){var c=getCacheForID(id);if(!c[eventName]) return false;c[eventName]=c[eventName].without(findWrapper(id,eventName,handler))}
function destroyCache(){for(var id in cache)
for(var eventName in cache[id])
cache[id][eventName]=null}
if(window.attachEvent){window.attachEvent("onunload",destroyCache)}
return{observe: function(element,eventName,handler){element=$(element);var name=getDOMEventName(eventName);var wrapper=createWrapper(element,eventName,handler);if(!wrapper) return element;if(element.addEventListener){element.addEventListener(name,wrapper,false)} else{element.attachEvent("on"+name,wrapper)}
return element},stopObserving: function(element,eventName,handler){element=$(element);var id=getEventID(element),name=getDOMEventName(eventName);if(!handler&&eventName){getWrappersForEventName(id,eventName).each(function(wrapper){element.stopObserving(eventName,wrapper.handler)});return element} else if(!eventName){Object.keys(getCacheForID(id)).each(function(eventName){element.stopObserving(eventName)});return element}
var wrapper=findWrapper(id,eventName,handler);if(!wrapper) return element;if(element.removeEventListener){element.removeEventListener(name,wrapper,false)} else{element.detachEvent("on"+name,wrapper)}
destroyWrapper(id,eventName,handler);return element},fire: function(element,eventName,memo){element=$(element);if(element==document&&document.createEvent&&!element.dispatchEvent)
element=document.documentElement;var event;if(document.createEvent){event=document.createEvent("HTMLEvents");event.initEvent("dataavailable",true,true)} else{event=document.createEventObject();event.eventType="ondataavailable"}
event.eventName=eventName;event.memo=memo||{};if(document.createEvent){element.dispatchEvent(event)} else{element.fireEvent(event.eventType,event)}
return Event.extend(event)}}})());Object.extend(Event,Event.Methods);Element.addMethods({fire:Event.fire,observe:Event.observe,stopObserving:Event.stopObserving});Object.extend(document,{fire:Element.Methods.fire.methodize(),observe:Element.Methods.observe.methodize(),stopObserving:Element.Methods.stopObserving.methodize(),loaded:false});(function(){var timer;
function fireContentLoadedEvent(){if(document.loaded) return;if(timer) window.clearInterval(timer);document.fire("dom:loaded");document.loaded=true}
if(document.addEventListener){if(Prototype.Browser.WebKit){timer=window.setInterval(function(){if (/loaded|complete/.test(document.readyState))
fireContentLoadedEvent()},0);Event.observe(window,"load",fireContentLoadedEvent)} else{document.addEventListener("DOMContentLoaded",fireContentLoadedEvent,false)}} else{document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");$("__onDOMContentLoaded").onreadystatechange=function(){if(this.readyState=="complete"){this.onreadystatechange=null;fireContentLoadedEvent()}}}})();Hash.toQueryString=Object.toQueryString;var Toggle={display:Element.toggle};Element.Methods.childOf=Element.Methods.descendantOf;var Insertion={Before: function(element,content){return Element.insert(element,{before:content})},Top: function(element,content){return Element.insert(element,{top:content})},Bottom: function(element,content){return Element.insert(element,{bottom:content})},After: function(element,content){return Element.insert(element,{after:content})}};var $continue=new Error('"throw $continue" is deprecated, use "return" instead');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},within: function(element,x,y){if(this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element,x,y);this.xcomp=x;this.ycomp=y;this.offset=Element.cumulativeOffset(element);return(y>=this.offset[1]&&y<this.offset[1]+element.offsetHeight&&x>=this.offset[0]&&x<this.offset[0]+element.offsetWidth)},withinIncludingScrolloffsets: function(element,x,y){var offsetcache=Element.cumulativeScrollOffset(element);this.xcomp=x+offsetcache[0]-this.deltaX;this.ycomp=y+offsetcache[1]-this.deltaY;this.offset=Element.cumulativeOffset(element);return(this.ycomp>=this.offset[1]&&this.ycomp<this.offset[1]+element.offsetHeight&&this.xcomp>=this.offset[0]&&this.xcomp<this.offset[0]+element.offsetWidth)},overlap: function(mode,element){if(!mode) return 0;if(mode=='vertical')
return((this.offset[1]+element.offsetHeight)-this.ycomp)/element.offsetHeight;if(mode=='horizontal')
return((this.offset[0]+element.offsetWidth)-this.xcomp)/element.offsetWidth},cumulativeOffset:Element.Methods.cumulativeOffset,positionedOffset:Element.Methods.positionedOffset,absolutize: function(element){Position.prepare();return Element.absolutize(element)},relativize: function(element){Position.prepare();return Element.relativize(element)},realOffset:Element.Methods.cumulativeScrollOffset,offsetParent:Element.Methods.getOffsetParent,page:Element.Methods.viewportOffset,clone: function(source,target,options){options=options||{};return Element.clonePosition(target,source,options)}};if(!document.getElementsByClassName) document.getElementsByClassName=function(instanceMethods){
function iter(name){return name.blank()?null:"[contains(concat(' ', @class, ' '), ' "+name+" ')]"}
instanceMethods.getElementsByClassName=Prototype.BrowserFeatures.XPath?
function(element,className){className=className.toString().strip();var cond=/\s/.test(className)?$w(className).map(iter).join(''):iter(className);return cond?document._getElementsByXPath('.//*'+cond,element):[]}: function(element,className){className=className.toString().strip();var elements=[],classNames=(/\s/.test(className)?$w(className):null);if(!classNames&&!className) return elements;var nodes=$(element).getElementsByTagName('*');className=' '+className+' ';for(var i=0,child,cn;child=nodes[i];i++){if(child.className&&(cn=' '+child.className+' ')&&(cn.include(className)||(classNames&&classNames.all(function(name){return!name.toString().blank()&&cn.include(' '+name+' ')}))))
elements.push(Element.extend(child))}
return elements};return function(className,parentElement){return $(parentElement||document.body).getElementsByClassName(className)}}(Element.Methods);Element.ClassNames=Class.create();Element.ClassNames.prototype={initialize: function(element){this.element=$(element)},_each: function(iterator){this.element.className.split(/\s+/).select(function(name){return name.length>0})._each(iterator)},set: function(className){this.element.className=className},add: function(classNameToAdd){if(this.include(classNameToAdd)) return;this.set($A(this).concat(classNameToAdd).join(' '))},remove: function(classNameToRemove){if(!this.include(classNameToRemove)) return;this.set($A(this).without(classNameToRemove).join(' '))},toString: function(){return $A(this).join(' ')}};Object.extend(Element.ClassNames.prototype,Enumerable);Element.addMethods();