var Autocomplete=function(el,options)
{this.el=$(el);this.id=this.el.id;this.el.setAttribute('autocomplete','off');this.suggestions=[];this.data=[];this.badQueries=[];this.selectedIndex=-1;this.currentValue=this.el.value;this.intervalId=0;this.cachedResponse=[];this.instanceId=null;this.onChangeInterval=null;this.ignoreValueChange=false;this.serviceUrl=options.serviceUrl;this.options={autoSubmit:true,minChars:1,maxHeight:300,deferRequestBy:100,width:0,container:null};if(options)
{Object.extend(this.options,options);}
this.initialize();this.hide();};Autocomplete.instances=[];Autocomplete.getInstance=function(id)
{var instances=Autocomplete.instances;var i=instances.length;while(i--)
{if(instances[i].id===id)
{return instances[i];}}};Autocomplete.highlight=function(value,re)
{return value.replace(re,function(match)
{return'<strong>'+match+'<\/strong>'});};Autocomplete.prototype={killerFn:null,initialize:function()
{var me=this;this.killerFn=function(e)
{if(!$(Event.element(e)).up('.autocomplete'))
{me.killSuggestions();me.disableKillerFn();}}.bindAsEventListener(this);if(!this.options.width){this.options.width=this.el.getWidth();}
var div=document.createElement('div');div.setAttribute('id','search-autocomplete');var div1=document.createElement('div');div1.setAttribute('class','search-autocomplete-w1');div1.className='search-autocomplete-w1'
var div2=document.createElement('div');div2.setAttribute('class','search-autocomplete-w2');div2.className='search-autocomplete-w2'
var div3=document.createElement('div');div3.setAttribute('class','search-autocomplete');div3.className='search-autocomplete'
div3.setAttribute('id','Autocomplete_'+this.id);div3.setAttribute('style','display:none; width:'+this.options.width+'px; background:#FFFFFF;');div.appendChild(div1);div1.appendChild(div2);div2.appendChild(div3);this.options.container=$(this.options.container);if(this.options.container)
{this.options.container.appendChild(div);}
else
{document.body.appendChild(div);}
this.mainContainerId=div.id;this.container=$('Autocomplete_'+this.id);Event.observe(this.el,window.opera?'keypress':'keydown',this.onKeyPress.bind(this));Event.observe(this.el,'keyup',this.onKeyUp.bind(this));Event.observe(this.el,'blur',this.enableKillerFn.bind(this));this.container.setStyle({maxHeight:this.options.maxHeight+'px'});this.instanceId=Autocomplete.instances.push(this)-1;},enableKillerFn:function()
{Event.observe(document.body,'click',this.killerFn);},disableKillerFn:function()
{Event.stopObserving(document.body,'click',this.killerFn);},killSuggestions:function()
{this.stopKillSuggestions();this.intervalId=window.setInterval(function()
{this.hide();this.stopKillSuggestions();}.bind(this),300);},stopKillSuggestions:function()
{window.clearInterval(this.intervalId);},onKeyPress:function(e)
{if(!this.enabled)
{return;}
switch(e.keyCode)
{case Event.KEY_ESC:this.el.value=this.currentValue;this.hide();break;case Event.KEY_TAB:case Event.KEY_RETURN:if(this.selectedIndex===-1)
{this.hide();return;}
this.select(this.selectedIndex);if(e.keyCode===Event.KEY_TAB)
{return;}
break;case Event.KEY_UP:this.moveUp();break;case Event.KEY_DOWN:this.moveDown();break;default:return;}
Event.stop(e);},onKeyUp:function(e)
{switch(e.keyCode)
{case Event.KEY_UP:case Event.KEY_DOWN:return;}
clearInterval(this.onChangeInterval);if(this.currentValue!==this.el.value)
{if(this.options.deferRequestBy>0)
{this.onChangeInterval=setInterval((function()
{this.onValueChange();}).bind(this),this.options.deferRequestBy);}
else
{this.onValueChange();}}},onValueChange:function()
{clearInterval(this.onChangeInterval);this.currentValue=this.el.value;this.selectedIndex=-1;if(this.ignoreValueChange)
{this.ignoreValueChange=false;return;}
if(this.currentValue===''||this.currentValue.length<this.options.minChars)
{this.hide();}
else
{this.getSuggestions();}},getSuggestions:function()
{var cr=this.cachedResponse[this.currentValue];if(cr&&cr.terms[1].length>0)
{var suggestions=[];for(var i=0;i<cr.terms[1].length;i=i+2)
{suggestions.push(cr.terms[1][i]);}
this.suggestions=suggestions;this.data=suggestions;this.suggest();}
else if(!this.isBadQuery(this.currentValue))
{var url=this.serviceUrl;var param='term='+URLEncode(this.currentValue);var result=new Ajax.Request(url,{method:'get',parameters:param,onComplete:this.processResponse.bind(this)});}},isBadQuery:function(q)
{var i=this.badQueries.length;while(i--)
{if(this.badQueries[i]==q)
{return true;}}
return false;},hide:function()
{this.enabled=false;this.selectedIndex=-1;this.container.hide();},suggest:function()
{if(this.suggestions.length===0)
{this.hide();return;}
var content=[];var re=new RegExp('\\b'+this.currentValue.match(/\w+/g).join('|\\b'),'gi');this.suggestions.each(function(value,i)
{content.push((this.selectedIndex===i?'<div class="selected"':'<div'),' title="',value,'" onclick="Autocomplete.instances[',this.instanceId,'].select(',i,');" onmouseover="Autocomplete.instances[',this.instanceId,'].activate(',i,');">',Autocomplete.highlight(value,re),'</div>');}.bind(this));this.enabled=true;this.container.update(content.join('')).show();},processResponse:function(xhr)
{var response;try
{var response=eval("("+xhr.responseText+")");}
catch(err)
{return;}
this.cachedResponse[response.prefix]=response;if(response.terms[1].length===0)
{this.badQueries.push(this.currentValue);}
if(response.prefix===this.currentValue)
{var suggestions=[];for(var i=0;i<response.terms[1].length;i=i+2)
{suggestions.push(response.terms[1][i]);}
this.suggestions=suggestions;this.data=suggestions;this.suggest();}},activate:function(index)
{var divs=this.container.childNodes;var activeItem;if(this.selectedIndex!==-1&&divs.length>this.selectedIndex)
{divs[this.selectedIndex].className='';}
this.selectedIndex=index;if(this.selectedIndex!==-1&&divs.length>this.selectedIndex)
{activeItem=divs[this.selectedIndex];activeItem.className='selected';}
return activeItem;},deactivate:function(div,index)
{div.className='';if(this.selectedIndex===index)
{this.selectedIndex=-1;}},select:function(i)
{var selectedValue=this.suggestions[i];if(selectedValue)
{this.el.value=selectedValue;if(this.options.autoSubmit)
{document.getElementById('search_form').submit();}
this.ignoreValueChange=true;this.hide();this.onSelect(i);}},moveUp:function()
{if(this.selectedIndex===-1)
{return;}
if(this.selectedIndex===0)
{this.container.childNodes[0].className='';this.selectedIndex=-1;this.el.value=this.currentValue;return;}
this.adjustScroll(this.selectedIndex-1);},moveDown:function()
{if(this.selectedIndex===(this.suggestions.length-1))
{return;}
this.adjustScroll(this.selectedIndex+1);},adjustScroll:function(i)
{var container=this.container;var activeItem=this.activate(i);var offsetTop=activeItem.offsetTop;var upperBound=container.scrollTop;var lowerBound=upperBound+this.options.maxHeight-25;if(offsetTop<upperBound)
{container.scrollTop=offsetTop;}
else if(offsetTop>lowerBound)
{container.scrollTop=offsetTop-this.options.maxHeight+25;}
this.el.value=this.suggestions[i];},onSelect:function(i)
{(this.options.onSelect||Prototype.emptyFunction)(this.suggestions[i],this.data[i]);}};function URLEncode(str){str=(str+'').toString();return encodeURIComponent(str).replace(/!/g,'%21').replace(/'/g,'%27').replace(/\(/g,'%28').replace(/\)/g,'%29').replace(/\*/g,'%2A').replace(/%20/g,'+');}
function trace(s)
{try
{console.log(s)}
catch(e)
{}};