var getFunctionsUrl='./ajax/suggest.php?keyword=';var phpHelpUrl='http://www.clubgeluk.nl/zoek.php?zoek=';var httpRequestKeyword='';var userKeyword='';var suggestions=0;var suggestionMaxLength=30;var isKeyUpDownPressed=false;var autocompletedKeyword='';var hasResults=false;var timeoutId=-1;var position=-1;var oCache=new Object();var minVisiblePosition=0;var maxVisiblePosition=9;var debugMode=false;var xmlHttpGetSuggestions=createXmlHttpRequestObject();window.onload=init;function createXmlHttpRequestObject(){var xmlHttp;try{xmlHttp=new XMLHttpRequest();}
catch(e){var XmlHttpVersions=new Array("MSXML2.XMLHTTP.6.0","MSXML2.XMLHTTP.5.0","MSXML2.XMLHTTP.4.0","MSXML2.XMLHTTP.3.0","MSXML2.XMLHTTP","Microsoft.XMLHTTP");for(var i=0;i<XmlHttpVersions.length&&!xmlHttp;i++){try{xmlHttp=new ActiveXObject(XmlHttpVersions[i]);}
catch(e){}}}
if(!xmlHttp){alert("Error creating the XMLHttpRequest object.");}else{return xmlHttp;}}
function init(){var oKeyword=document.getElementById('keyword');if(navigator.appName!="Microsoft Internet Explorer"){oKeyword.setAttribute('autocomplete','off');}
oKeyword.value='';oKeyword.focus();setTimeout('checkForChanges()',300);}
function addToCache(keyword,values){oCache[keyword]=new Array();for(i=0;i<values.length;i++){oCache[keyword][i]=values[i];}}
function checkCache(keyword){if(oCache[keyword])return true;for(i=keyword.length-2;i>=0;i--){var currentKeyword=keyword.substring(0,i+1);if(oCache[currentKeyword]){var cacheResults=oCache[currentKeyword];var keywordResults=new Array();var keywordResultsSize=0;for(j=0;j<cacheResults.length;j++){if(cacheResults[j].indexOf(keyword)==0){keywordResults[keywordResultsSize++]=cacheResults[j];}}
addToCache(keyword,keywordResults);return true;}}
return false}
function getSuggestions(keyword){if(keyword!=''&&!isKeyUpDownPressed){isInCache=checkCache(keyword);if(isInCache==true){httpRequestKeyword=keyword;userKeyword=keyword;displayResults(keyword,oCache[keyword]);}else{if(xmlHttpGetSuggestions){try{if(xmlHttpGetSuggestions.readyState==4||xmlHttpGetSuggestions.readyState==0){httpRequestKeyword=keyword;userKeyword=keyword;xmlHttpGetSuggestions.open("GET",getFunctionsUrl+encode(keyword),true);xmlHttpGetSuggestions.onreadystatechange=handleGettingSuggestions;xmlHttpGetSuggestions.send(null);}else{userKeyword=keyword;if(timeoutId!=-1){clearTimeout(tiemeoutId);}
timeoutId=setTimeout('getSuggestions(userKeyword0',300);}}
catch(e){displayError('Cannot connect to server:\n'+e.toString());}}}}}
function xmlToArray(resultsXml){var resultsArray=new Array();for(i=0;i<resultsXml.length;i++){resultsArray[i]=resultsXml.item(i).firstChild.data;}
return resultsArray;}
function handleGettingSuggestions(){if(xmlHttpGetSuggestions.readyState==4){if(xmlHttpGetSuggestions.status==200){try{updateSuggestions();}
catch(e){displayError(e.toString());}}else{displayError('There was a problem getting the data: '+xmlHttpGetSuggestions.statusText);}}}
function updateSuggestions(){var response=xmlHttpGetSuggestions.responseText;if(response.indexOf("ERRNO")>=0||response.indexOf("error:")>=0||response.length==0)
throw(response.length==0?"Void server response.":response);response=xmlHttpGetSuggestions.responseXML.documentElement;nameArray=new Array();if(response.childNodes.length){nameArray=xmlToArray(response.getElementsByTagName("name"));}
if(httpRequestKeyword==userKeyword){displayResults(httpRequestKeyword,nameArray);}else{addToCache(httpRequestKeyword,nameArray);}}
function displayResults(keyword,results_array){var div='<table width="122">';if(!oCache[keyword]&&keyword)addToCache(keyword,results_array);if(results_array.length==0){div+='<tr><td><em>Geen resultaten</em></td></tr>';hasResults=false;suggestions=0;}else{position=-1;isKeyUpDownPressed=false;hasResults=true;suggestions=oCache[keyword].length;for(var i=0;i<oCache[keyword].length;i++){crtFunction=oCache[keyword][i];crtFunctionLink=crtFunction;while(crtFunctionLink.indexOf('_')!=-1){crtFunctionLink=crtFunctionLink.replace('_','-');}
div+="<tr id='tr"+i+"' onclick='location.href=document.getElementById(\"a"+i+"\").href;' onmouseover='handleOnMouseOver(this);' "+"onmouseout='handleOnMouseOut(this);'>"+"<td align='left'><a id='a"+i+"' href='"+phpHelpUrl+crtFunctionLink;if(crtFunction.length<=suggestionMaxLength){div+="'><b>"+crtFunction.substring(0,httpRequestKeyword.length)+'</b>';div+=crtFunction.substring(httpRequestKeyword.length,crtFunction.length)+'</a></td></tr>';}else{if(httpRequestKeyword.length<suggestionMaxLength){div+="'><b>"+crtFunction.substring(0,httpRequestKeyword.length)+'</b>';div+=crtFunction.substring(httpRequestKeyword.length,suggestionMaxLength)+'...</a></td></tr>';}else{div+="'><b>"+crtFunction.substring(0,suggestionMaxLength)+"</b></td></tr>"}}}}
div+='</table>';var oSuggest=document.getElementById('suggest');var oScroll=document.getElementById('scroll');oScroll.scrollTop=0;oSuggest.innerHTML=div;oScroll.style.visibility='visible';if(results_array.length>0)autocompleteKeyword();}
function checkForChanges(){var keyword=document.getElementById('keyword').value;if(keyword==''){hideSuggestions();userKeyword='';httpRequestKeyword='';}
setTimeout('checkForChanges()',300);if((userKeyword!=keyword)&&(autocompletedKeyword!=keyword)){getSuggestions(keyword);}}
function handleKeyUp(e){e=(!e)?window.event:e;target=(!e.target)?e.srcElement:e.target;if(target.nodeType==3)target=target.parentNode;code=(e.charCode)?e.charCode:((e.keyCode)?e.keyCode:((e.which)?e.which:0));if(e.type=='keyup'){isKeyUpDownPressed=false;if((code<13&&code!=8)||(code>=14&&code<32)||(code>=33&&code<=46&&code!=38&&code!=40)||(code>=112&&code<=123)){}else if(code==13){if(position>=0){location.href=document.getElementById('a'+position).href;}}else if(code==40){newTR=document.getElementById('tr'+(++position));oldTR=document.getElementById('tr'+(--position));if(position>=0&&position<suggestions-1)oldTR.className='';if(position<suggestions-1){newTr.className='highlightrow';updateKeywordValue(newTR);position++;}
e.cancelBubble=true;e.returnvalue=false;isKeyUpDownPressed=true;if(position>maxVisiblePosition){oScroll=document.getElementById('scroll');oScroll.scrollTop+=18;maxVisiblePosition+=1;minVisiblePosition+=1;}}else if(code==38){newTR=document.getElementById('tr'+(--position));oldTR=document.getElementById('tr'+(++position));if(position>=0&&position<suggestions-1)oldTR.className='';if(position>0){newTr.className='highlightrow';updateKeywordValue(newTR);position--;if(position<minVisiblePosition){oScroll=document.getElementById('scroll');oScroll.scrollTop-=18;maxVisiblePosition-=1;minVisiblePosition-=1;}}else if(position==0){position--;}
e.cancelBubble=true;e.returnvalue=false;isKeyUpDownPressed=true;}}}
function updateKeywordValue(oTr){var oKeyword=document.getElementById('keyword');var crtLink=document.getElementById('a'+oTr.id.substring(2,oTr.id.length)).toString();oKeyword.value=unescape(crtLink.substring(phpHelpUrl.length,crtLink.length));}
function deselectAll(){for(i=0;i<suggestions;i++){var oCrtTr=document.getElementById('tr'+i);oCrtTr.className='';}}
function handleOnMouseOver(oTr){deselectAll();oTr.className='highlightrow';position=oTr.id.substring(2,oTr.id.length);}
function handleOnMouseOut(oTr){oTr.className='';position=-1;}
function encode(uri){if(encodeURIComponent){return encodeURIComponent(uri);}
if(escape){return escape(uri);}}
function hideSuggestions(){var oScroll=document.getElementById('scroll');oScroll.style.visibility='hidden';}
function selectRange(oText,start,length){if(oText.createTextRange){var oRange=oText.createTextRange();oRange.moveStart('character',start);oRange.moveEnd('character',oText.value.length);oRange.select();}else if(oText.setSelectionRange){oText.setSelectionRange(start,length);}
oText.focus();}
function autocompleteKeyword(){var oKeyword=document.getElementById('keyword');position=0;deselectAll();document.getElementById('tr0').className='highlightrow';updateKeywordValue(document.getElementById('tr0'));selectRange(oKeyword,httpRequestKeyword.length,oKeyword.value.length);autocompletedKeyword=oKeyword.value;}
function displayError(message){alert("Error accessing the server! "+(debugMode?'\n'+message:''));}