(function($){$.suggest=function(input,options){var $input=$(input).attr("autocomplete","off");var $results=$(document.createElement("ul"));var timeout=false;var prevLength=0;var cache=[];var cacheSize=0;var selRange=0;$results.addClass(options.resultsClass).appendTo('body');resetPosition();$input.blur(function(){setTimeout(function(){$results.hide()},200);});try{$results.bgiframe();}catch(e){}
if($.browser.mozilla)
$input.keypress(processKey);else
$input.keydown(processKey);function resetPosition(){var offset=$input.offset();$results.css({top:(offset.top+input.offsetHeight)+'px',left:offset.left+'px'});}
function processKey(e){if((/27$|38$|40$/.test(e.keyCode)&&$results.is(':visible'))||(/^13$/.test(e.keyCode)&&getCurrentResult())){selRange=$(input).getSelection();if(e.preventDefault)
e.preventDefault();if(e.stopPropagation)
e.stopPropagation();e.cancelBubble=true;e.returnValue=false;switch(e.keyCode){case 38:prevResult();break;case 40:nextResult();break;case 13:selectCurrentResult();break;case 27:$results.hide();break;}}else if((/^9$/.test(e.keyCode))){return true;}else if($input.val().length!=prevLength){if(timeout)
clearTimeout(timeout);timeout=setTimeout(suggest,options.delay);prevLength=$input.val().length;}}
function suggest(){var q=$.trim($input.val());selRange=$(input).getSelection();var p=selRange.start;var re=selRange.length;if(q.length>=options.minchars){cached=checkCache(q);$.get(options.source,{q:q,p:p,re:re},function(txt){$results.hide();var items=parseTxt(txt,q);displayItems(items);});}else{$results.hide();}}
function displayItems(items){if(!items)
return;if(!items.length){$results.hide();return;}
var html='';for(var i=0;i<items.length;i++)
html+=(i==0?'<li class="ac_over">':'<li>')+items[i]+'</li>';$results.html(html).show();$results.children('li').mouseover(function(){$results.children('li').removeClass(options.selectClass);$(this).addClass(options.selectClass);}).click(function(e){e.preventDefault();e.stopPropagation();selectCurrentResult();});}
function parseTxt(txt,q){var items=[];var tokens=txt.split(options.delimiter);for(var i=0;i<tokens.length;i++){var token=$.trim(tokens[i]);if(token){token=token.replace(new RegExp(q,'ig'),function(q){return'<span class="'+options.matchClass+'">'+q+'</span>'});items[items.length]=token;}}
return items;}
function getCurrentResult(){if(!$results.is(':visible'))
return false;var $currentResult=$results.children('li.'+options.selectClass);if(!$currentResult.length)
$currentResult=false;return $currentResult;}
function selectCurrentResult(){var range=$(input).getSelection();$currentResult=getCurrentResult();if($currentResult){var p=selRange.start;var re=selRange.length;var commastart=$input.val().substr(0,p).lastIndexOf(',');if(commastart<0)commastart=0;var commaend=$input.val().indexOf(',',commastart+1);if(commaend<commastart||commaend<2)commaend=$input.val().length;var inputText=$input.val();var selText=$currentResult.text();$input.val(inputText.substr(0,commastart)+(commastart>0?', ':'')+selText+(commaend<inputText.length?inputText.substr(commaend):''));$results.hide();if(options.onSelect)
options.onSelect.apply($input[0]);}}
function nextResult(){$currentResult=getCurrentResult();if($currentResult)
$currentResult.removeClass(options.selectClass).next().addClass(options.selectClass);else
$results.children('li:first-child').addClass(options.selectClass);}
function prevResult(){$currentResult=getCurrentResult();if($currentResult)
$currentResult.removeClass(options.selectClass).prev().addClass(options.selectClass);else
$results.children('li:last-child').addClass(options.selectClass);}}
$.fn.suggest=function(source,options){if(!source)
return;options=options||{};options.source=source;options.delay=options.delay||100;options.resultsClass=options.resultsClass||'ac_results';options.selectClass=options.selectClass||'ac_over';options.matchClass=options.matchClass||'ac_match';options.minchars=options.minchars||1;options.delimiter=options.delimiter||'\n';options.onSelect=options.onSelect||false;options.maxCacheSize=options.maxCacheSize||65536;this.each(function(){new $.suggest(this,options);});return this;};})(jQuery);