var IDLETIME = 500;
	var timerid;
	var otimerid;
	var a1;
	var a3;

	function changeBareboat(){
	   if(document.getElementById('bareboat').value == "N"){
		  //show individual select type
		  showTR("individueel");
	   }else{
		  //hide individual select type
		  hideTR("individueel");
	   }
		//SearchQuery(document.forms['searchengine'],  null,'', '');
		userAction();
	}

	function userCalAction(){
	   userAction();
	}

	function timeoutReached(){
		  setFacRight();
		  SearchQuery(document.forms['searchengine'],  null,'', '');
	}

	function otimeoutReached(){
	   ajax_showOptions(a1,'getArrByLetters',a3);
	   userAction();
	}

	function userOptionAction(ta1,ta3){
	// ajax_showOptions(a1,'getArrByLetters',a2);
		if (otimerid!=null) {
		  clearTimeout(otimerid);
		}
		  a1 = ta1;
		  a3 = ta3;
		otimerid = setTimeout("otimeoutReached()",IDLETIME);

	}

	function userAction(){
		  //LOAD CONTROL, IMPORTANT: only search if the user has stopped changing things for IDLETIME
		if (timerid!=null) {
		  clearTimeout(timerid);
		}
		timerid = setTimeout("timeoutReached()",IDLETIME);
	}

	function setFacRight(){
	   arrfac = document.getElementById('faclist').value.split('|');
		facstr = "";
	   for(t=0;t<arrfac.length;t++){
		 if(document.getElementById('faciliteit_'+arrfac[t]).checked){
			facstr = facstr + arrfac[t] + "|";
		 }
	   }
	   document.getElementById('faciliteitlist').value = facstr;
	}

	function resetFac(){
	   arrfac = document.getElementById('faclist').value.split('|');
		facstr = "";
	   for(t=0;t<arrfac.length;t++){
		 document.getElementById('faciliteit_'+arrfac[t]).checked = false;

	   }
	   document.getElementById('faciliteitlist').value = "";
	   userFacAction();
	}

	function userFacAction(){
	   userAction();
	}

	function simpleSearch(){
		showTR('esearchlink');
		hideTR('extendedsearch');
	}

	function extendSearch(){
		hideFac();
		hideTR('esearchlink');
		showTR('extendedsearch');
	}

	function showFac(){
		hideTR('facilitieslink');
		showTR('facilitiesform');
		showTR('extendedsearch');
	}

	function hideFac(){
		hideTR('facilitiesform');
		showTR('facilitieslink');
		resetFac();
	}

	function showTR(trid){
		if (document.all)
			document.all[trid].style.display = 'block';
		else if (document.getElementById)
			document.getElementById(trid).style.display = 'block';
	}

	function hideTR(trid){
		if (document.all)
			document.all[trid].style.display = 'none';
		else if (document.getElementById)
			document.getElementById(trid).style.display = 'none';
	}

	function fakeClick(url,nw){
	   if(nw){
	   window.open(url,'','width=550, height=460, top=200, left=200, screenX=200, screenY=200,scrollbars=yes');
	   }else{
	   document.location.href=url;

	   }
	}

	$(function() {



		$("#vertrekdatum").datepicker({ 
				dateFormat: 'dd/mm/yy' ,
				changeMonth: true,
				changeYear: true,
				beforeShow: function(input, inst) {
					$("#vertrekdatum").datepicker('setDate', $("#aankomstdatum").datepicker('getDate') );
				}

		});

		$("#aankomstdatum").datepicker({ 
			dateFormat: 'dd/mm/yy' ,
			changeMonth: true,
			changeYear: true,
			beforeShow: function(input, inst) {
				$("#aankomstdatum").datepicker('setDate', $("#vertrekdatum").datepicker('getDate') );
			}
			
		});

		

		SearchQuery(document.forms['searchengine'], 1, '');

	});