/*
 * Ajax Autocomplete
 * 1.02
 * Copyright(c) 2007, DMXzone.com
 * Based on work by Dylan Verheul, Dan G. Switzer, Anjesh Tuladhar, Jorn Zaefferer
 * 
 */


jQuery.fn.extend({autocomplete:function(urlOrData,options){var isUrl=typeof urlOrData=="string";options=jQuery.extend({},jQuery.Autocompleter.defaults,{url:isUrl?urlOrData:null,data:isUrl?null:urlOrData,staticData:isUrl?/(.txt|.xml)$/.test(urlOrData):true,delay:isUrl?jQuery.Autocompleter.defaults.delay:10},options);return this.each(function(){new jQuery.Autocompleter(this,options);});},result:function(handler){return this.bind("result",handler);},search:function(){return this.trigger("search");}});jQuery.Autocompleter=function(input,options){var KEY={UP:38,DOWN:40,DEL:46,TAB:9,RETURN:13,ESC:27,COMMA:188};var $input=jQuery(input).attr("autocomplete","off").addClass(options.inputClass);var timeout;var previousValue="";var cache=jQuery.Autocompleter.Cache(options);var hasFocus=0;var lastKeyPressCode;var select=jQuery.Autocompleter.Select(options,input,selectCurrent);$input.keydown(function(event){lastKeyPressCode=event.keyCode;switch(event.keyCode){case KEY.UP:event.preventDefault();if(select.visible()){select.prev();}else{onChange(0,true);}
break;case KEY.DOWN:event.preventDefault();if(select.visible()){select.next();}else{onChange(0,true);}
break;case options.multiple&&jQuery.trim(options.multipleSeparator)==","&&KEY.COMMA:case KEY.TAB:case KEY.RETURN:if(selectCurrent()){if(!options.multiple)
$input.blur();event.preventDefault();}
break;case KEY.ESC:select.hide();break;default:clearTimeout(timeout);timeout=setTimeout(onChange,options.delay);break;}}).keypress(function(){}).focus(function(){hasFocus++;}).blur(function(){hasFocus=0;hideResults();}).click(function(){if(hasFocus++>1&&!select.visible()){onChange(0,true);}}).bind("search",function(){function findValueCallback(q,data){var result;if(data&&data.length){for(var i=0;i<data.length;i++){if(data[i].result.toLowerCase()==q.toLowerCase()){result=data[i];break;}}}
$input.trigger("result",result&&[result.data,result.value]);}
jQuery.each(trimWords($input.val()),function(i,value){request(value,findValueCallback,findValueCallback);});});hideResultsNow();function selectCurrent(){var selected=select.selected();if(!selected)
return false;var v=selected.result;previousValue=v;if(options.multiple){var words=trimWords($input.val());if(words.length>1){v=words.slice(0,words.length-1).join(options.multipleSeparator)+options.multipleSeparator+v;}
v+=options.multipleSeparator;}
$input.val(v);hideResultsNow();$input.trigger("result",[selected.data,selected.value]);return true;}
function onChange(crap,skipPrevCheck){if(lastKeyPressCode==KEY.DEL){select.hide();return;}
var currentValue=$input.val();if(!skipPrevCheck&&currentValue==previousValue)
return;previousValue=currentValue;currentValue=lastWord(currentValue);if(currentValue.length>=options.minChars){$input.addClass(options.loadingClass);if(!options.matchCase)
currentValue=currentValue.toLowerCase();request(currentValue,receiveData,stopLoading);}else{stopLoading();select.hide();}};function trimWords(value){if(!value){return[""];}
var words=value.split(jQuery.trim(options.multipleSeparator));var result=[];jQuery.each(words,function(i,value){if(jQuery.trim(value))
result[i]=jQuery.trim(value);});return result;}
function lastWord(value){if(!options.multiple)
return value;var words=trimWords(value);return words[words.length-1];}
function autoFill(q,sValue){if(options.autoFill&&(lastWord($input.val()).toLowerCase()==q.toLowerCase())&&lastKeyPressCode!=8){if($input.val().toLowerCase()==sValue.substring(0,$input.val().length).toLowerCase()){$input.val($input.val()+sValue.substring(lastWord(previousValue).length));jQuery.Autocompleter.Selection(input,previousValue.length,previousValue.length+sValue.length);}}};function hideResults(){clearTimeout(timeout);timeout=setTimeout(hideResultsNow,200);};function hideResultsNow(){select.hide();clearTimeout(timeout);stopLoading();if(options.mustMatch){$input.search(function(result){if(!result)$input.val("");});}};function receiveData(q,data){if(data&&data.length&&hasFocus){stopLoading();select.display(data,q);autoFill(q,data[0].value);select.show();}else{hideResultsNow();}};function request(term,success,failure){if(!options.matchCase)
term=term.toLowerCase();var data=cache.load(term);if(data&&data.length){success(term,data);}else if((typeof options.url=="string")&&(options.url.length>0)&&(!options.staticData||!data)){if(options.matchContains)options.extraParams=jQuery.extend({mc:'true'},options.extraParams);if(options.searchAll)options.extraParams=jQuery.extend({sa:'true'},options.extraParams);jQuery.ajax({url:options.url,data:!options.staticData?jQuery.extend({q:lastWord(term),limit:options.max},options.extraParams):'',success:function(data){var parsed=options.parse&&options.parse(data)||parse(data);cache.add(term,parsed);parsed=cache.load(term);success(term,parsed);},error:function(obj){var $errPopup=jQuery('<div id="error">').css({position:'absolute',width:'400px',height:'300px',left:'50%',top:'50%',border:'3px solid #f00',marginLeft:'-250px',marginTop:'-150px'}).appendTo('body');jQuery('<div>').css({width:'400px',height:'25px',backgroundColor:'#f00',textAlign:'center',fontWeight:'bold',color:'#fff'}).text('Ajax AutoComplete Server Error').appendTo($errPopup);jQuery('<div>').css({width:'400px',height:'275px',backgroundColor:'#fff',color:'#000',overflow:'auto'}).html(obj.responseText).appendTo($errPopup);jQuery('<div>').css({position:'absolute',width:'15px',height:'25px',top:'0px',right:'0px',fontWeight:'bold',color:'#fff',cursor:'pointer'}).text('X').click(function(){$errPopup.remove();}).appendTo($errPopup);}});}else{failure(term);}};function parse(data){var parsed=[];var rows=data.split("\n");for(var i=0;i<rows.length;i++){var row=jQuery.trim(rows[i]);if(row){row=row.split("|");parsed[parsed.length]={data:row,value:row[0],result:options.formatResult&&options.formatResult(row)||row[0]};}}
return parsed;};function stopLoading(){$input.removeClass(options.loadingClass);};};jQuery.Autocompleter.defaults={inputClass:"ac_input",resultsClass:"ac_results",loadingClass:"ac_loading",minChars:1,delay:400,matchCase:false,matchSubset:true,matchContains:false,cacheLength:10,mustMatch:false,extraParams:{},selectFirst:true,max:10,autoFill:false,width:0,multiple:false,multipleSeparator:", ",opacity:1,showFullItem:true,searchAll:false,itemSeparator:"<br/>"};jQuery.Autocompleter.Cache=function(options){var data={};var length=0;function matchSubset(x,sub){var found=atStart=false;if(typeof x=="string"){if(!options.matchCase)
x=x.toLowerCase();var i=x.indexOf(sub);if(i==-1)return false;return i==0||options.matchContains;}else{var l=options.searchAll?x.length:1;for(var i=0;i<l;i++){var s=x[i];if(!options.matchCase)
s=s.toLowerCase();var index=s.indexOf(sub);if(index>-1)found=true;if(index==0)atStart=true;}
if(!found)return false;}
return atStart||options.matchContains;};function add(q,value){if(length>options.cacheLength){this.flush();}
if(!data[q]){length++;}
data[q]=value;}
if(options.data){var stMatchSets={},nullData=0;if(!options.url)options.cacheLength=1;stMatchSets[""]=[];jQuery.each(options.data,function(i,rawValue){value=options.formatItem?options.formatItem(rawValue,rawValue,i+1,options.data.length):rawValue;var firstChar=value.charAt(0).toLowerCase();if(!stMatchSets[firstChar])
stMatchSets[firstChar]=[];var row={value:value,data:rawValue,result:options.formatResult&&options.formatResult(rawValue)||value};stMatchSets[firstChar].push(row);if(nullData++<options.max){stMatchSets[""].push(row);}});jQuery.each(stMatchSets,function(i,value){options.cacheLength++;add(i,value);});}
return{flush:function(){data={};length=0;},add:add,load:function(q){if(!options.cacheLength||!length)
return null;if(!options.url&&options.matchContains){var csub=[];for(var k in data){if(k.length>0){var c=data[k];jQuery.each(c,function(i,x){if(matchSubset(x.data,q)){csub.push(x);}});}}
return csub;}else
if(options.matchSubset){for(var i=q.length;i>=options.minChars;i--){var c=data[q.substr(0,i)];if(c){var csub=[];jQuery.each(c,function(i,x){if(matchSubset(x.data,q)){csub[csub.length]=x;}});return csub;}}}
return null;}};};jQuery.Autocompleter.Select=function(options,input,select){var CLASSES={ACTIVE:"ac_over"};var element=jQuery("<div>").hide().addClass(options.resultsClass).css("position","absolute").css("opacity",options.opacity).appendTo("body");var list=jQuery("<ul>").appendTo(element).mouseover(function(event){active=jQuery("li",list).removeClass().index(target(event));jQuery(target(event)).addClass(CLASSES.ACTIVE);}).mouseout(function(event){jQuery(target(event)).removeClass();}).click(function(event){jQuery(target(event)).addClass(CLASSES.ACTIVE);select();input.focus();return false;});var listItems,active=-1,data,term="";if(options.width>0)
element.css("width",options.width);function target(event){var element=event.target;if(element.tagName=="UL")element=event.relatedTarget;while(element.tagName!="LI")
{element=element.parentNode;}
return element;}
function moveSelect(step){active+=step;wrapSelection();listItems.removeClass().eq(active).addClass(CLASSES.ACTIVE);};function wrapSelection(){if(active<0){active=listItems.size()-1;}else if(active>=listItems.size()){active=0;}}
function limitNumberOfItems(available){return(options.max>0)&&(options.max<available)?options.max:available;}
function dataToDom(){var num=limitNumberOfItems(data.length);for(var i=0;i<num;i++){if(!data[i])
continue;function highlight(value){var termEscape=term.replace(/(\.|\?|\||\(|\)|\[|\]|\{|\}|\$|\^|\*|\+|\\)/g,"\\$1");if(options.highlightClass)
return value.replace(new RegExp(((options.matchContains)?"":"^")+"("+termEscape+")","gi"),"<span class='"+options.highlightClass+"'>$1</span>");else
return value.replace(new RegExp(((options.matchContains)?"":"^")+"("+termEscape+")","gi"),"<strong>$1</strong>");}
function highlightData(data){var d=data;var termEscape=term.replace(/(\.|\?|\||\(|\)|\[|\]|\{|\}|\$|\^|\*|\+|\\)/g,"\\$1");for(var i=0;i<d.length;i++){if(options.highlightClass)
d[i]=d[i].replace(new RegExp(((options.matchContains)?"":"^")+"("+termEscape+")","gi"),"<span class='"+options.highlightClass+"'>$1</span>");else
d[i]=d[i].replace(new RegExp(((options.matchContains)?"":"^")+"("+termEscape+")","gi"),"<strong>$1</strong>");}
return d;}
function formatItem(value,row){if(typeof row!="string")
{if(row.length>1){value="<span class='ac_title'>"+value+"</span>"
for(var i=1;i<row.length;i++){value+=options.itemSeparator+row[i];}}}
return value;}
jQuery("<li>").html(options.formatItem?options.searchAll?highlight(options.formatItem(data[i].value,data[i].data,i+1,num)):options.formatItem(highlight(data[i].value),data[i].data,i+1,num):options.showFullItem?formatItem(highlight(data[i].value),data[i].data):highlight(data[i].value)).appendTo(list);}
listItems=list.find("li");if(options.selectFirst){listItems.eq(0).addClass(CLASSES.ACTIVE);active=0;}}
return{display:function(d,q){data=d;term=q;list.empty();dataToDom();list.bgiframe();},next:function(){moveSelect(1);},prev:function(){moveSelect(-1);},hide:function(){if(options.onHide){options.onHide(element);}else{if(options.fxHide){if(!options.fxHide.duration)options.fxHide.duration='normal';switch(options.fxHide.type.toLowerCase()){case'slide':element.slideUp(options.fxHide.duration);break;case'fade':element.fadeOut(options.fxHide.duration);break;default:element.hide();}}else{element.hide();}}
active=-1;},visible:function(){return element.is(":visible");},current:function(){return this.visible()&&(listItems.filter("."+CLASSES.ACTIVE)[0]||options.selectFirst&&listItems[0]);},show:function(){var offset=jQuery(input).offset({scroll:false,border:false});element.css({width:options.width>0?options.width:jQuery(input).width(),top:offset.top+input.offsetHeight,left:offset.left});if(options.onShow){options.onShow(element);}else{if(options.fxShow){if(!options.fxShow.duration)options.fxShow.duration='normal';switch(options.fxShow.type.toLowerCase()){case'slide':var s=input.selectionStart;element.slideDown(options.fxShow.duration,function(){if(s){jQuery.Autocompleter.Selection(input,s,s+$(input).val().length);}});break;case'fade':element.fadeIn(options.fxShow.duration);break;default:element.show();}}else{element.show();}}},selected:function(){return data&&data[active];}};}
jQuery.Autocompleter.Selection=function(field,start,end){if(field.createTextRange){var selRange=field.createTextRange();selRange.collapse(true);selRange.moveStart("character",start);selRange.moveEnd("character",end);selRange.select();}else if(field.setSelectionRange){field.setSelectionRange(start,end);}else{if(field.selectionStart){field.selectionStart=start;field.selectionEnd=end;}}
field.focus();};