var Id;
var expo="<?echo $expomenu;?>";
var lezingen="<?echo $lezingenmenu;?>";
var archikids="<?echo $archikidsmenu;?>";
var fotografie="<?echo $fotografiemenu;?>";

function showExpositie(){
	stopTimer();
	document.getElementById('expositiemenu').style.visibility='visible';
	if (expo!=""){
		document.getElementById('expositiemenu').style.visibility='visible';	
	}	
	document.getElementById('lezingenmenu').style.visibility='hidden';	
	document.getElementById('archikidsmenu').style.visibility='hidden';
	document.getElementById('fotografiemenu').style.visibility='hidden';
}
function showLezingen(){
	stopTimer();
	if(lezingen!=""){
		document.getElementById('lezingenmenu').style.visibility='visible';			
	}	
	document.getElementById('expositiemenu').style.visibility='hidden';	
	document.getElementById('archikidsmenu').style.visibility='hidden';
	document.getElementById('fotografiemenu').style.visibility='hidden';	
}
function showArchikids(){
	stopTimer();
	if(archikids!=""){
		document.getElementById('archikidsmenu').style.visibility='visible';		
	}	
	document.getElementById('expositiemenu').style.visibility='hidden';
	document.getElementById('lezingenmenu').style.visibility='hidden';		
	document.getElementById('fotografiemenu').style.visibility='hidden';
}
function showFotografie(){
	stopTimer();
	if(fotografie!=""){
		document.getElementById('fotografiemenu').style.visibility='visible';		
	}	
	document.getElementById('expositiemenu').style.visibility='hidden';
	document.getElementById('lezingenmenu').style.visibility='hidden';
	document.getElementById('archikidsmenu').style.visibility='hidden';	
}

function showSub(item){	
	if(Id!=undefined){
		stopTimer();
	}
	if(item!="sub1"){document.getElementById('sub1').style.visibility='hidden';}	
	
	if(item!="sub2"){
		document.getElementById('sub2').style.visibility='hidden';
		document.getElementById('subarchive').style.visibility='hidden';
		document.getElementById('expositiemenu').style.visibility='hidden';
		document.getElementById('lezingenmenu').style.visibility='hidden';
		document.getElementById('archikidsmenu').style.visibility='hidden';
		document.getElementById('fotografiemenu').style.visibility='hidden';
	}	
	if(item!="sub3"){document.getElementById('sub3').style.visibility='hidden';}	
	if(item!="sub4"){document.getElementById('sub4').style.visibility='hidden';}	
	if(item!="sub5"){document.getElementById('sub5').style.visibility='hidden';}
	if(item!="sub1"){document.getElementById('subsub').style.visibility='hidden';}
	if(item=="sub1"){
		document.getElementById('sub1').style.visibility='visible';
	}	
	if(item=="sub2"){
		document.getElementById('sub2').style.visibility='visible';
	}	
	if(item=="sub3"){
		document.getElementById('sub3').style.visibility='visible';
	}
	if(item=="sub4"){
		document.getElementById('sub4').style.visibility='visible';	
	}
	if(item=="sub5"){
		document.getElementById('sub5').style.visibility='visible';
	}
}
function showSubFaciliteiten(){
	document.getElementById('subsub').style.visibility='visible';
}
function showSubArchive(){
	document.getElementById('subarchive').style.visibility='visible';
}
function clearMenu(){		
	Id = window.setTimeout('showNoSub()',1000);	
	//document.getElementById('flash_object').style.z-index=0;
}
function stopTimer(){
	window.clearTimeout(Id);
	//document.getElementById('flash_object').style.z-index=0;
}
function showNoSub(){	
	document.getElementById('sub1').style.visibility='hidden';
	document.getElementById('sub2').style.visibility='hidden';
	document.getElementById('sub3').style.visibility='hidden';
	document.getElementById('sub4').style.visibility='hidden';
	document.getElementById('sub5').style.visibility='hidden';
	document.getElementById('subsub').style.visibility='hidden';
	document.getElementById('subarchive').style.visibility='hidden';
	document.getElementById('expositiemenu').style.visibility='hidden';
	document.getElementById('lezingenmenu').style.visibility='hidden';
	document.getElementById('archikidsmenu').style.visibility='hidden';
	document.getElementById('fotografiemenu').style.visibility='hidden';
	
}
function clearSubMenu(){
	document.getElementById('subsub').style.visibility='hidden';
	document.getElementById('subarchive').style.visibility='hidden';	
	document.getElementById('expositiemenu').style.visibility='hidden';
	document.getElementById('fotografiemenu').style.visibility='hidden';
	document.getElementById('lezingenmenu').style.visibility='hidden';
	document.getElementById('archikidsmenu').style.visibility='hidden';	
}

function openWindow(theURL,winName,features) { //v2.0
 	window.open(theURL,winName,features);
}
function verwerking(){
	top.document.location.href='/vrienden/'+document.paswoordformulier.paswoord.value+'.html';	
}
function checkHeight(){
	
	if(document.getElementById("home_button").offsetTop < 500){		
		document.getElementById("body_box_base").style.height=(500-document.getElementById("home_button").offsetTop);	
	}
	//alert(document.getElementById("home_button").offsetTop+" "+(475-document.getElementById("home_button").offsetTop));	
}
function setPos(aantal){
	var spacing=20;
	for(i=1; i<aantal; i++){		
		if(document.getElementById("image"+i).offsetHeight>document.getElementById("tekst"+i).offsetHeight){
			if(i==1){
				document.getElementById("tekst"+i).style.height=(document.getElementById("image"+i).offsetHeight-document.getElementById("header_tekst").offsetHeight)+"px";
			}else{
				document.getElementById("tekst"+i).style.height=document.getElementById("image"+i).offsetHeight+"px";
			}
		}else{
			if(i==1){
				document.getElementById("image"+i).style.height=(document.getElementById("tekst"+i).offsetHeight+document.getElementById("header_tekst").offsetHeight)+"px";
			}else{
				document.getElementById("image"+i).style.height=document.getElementById("tekst"+i).offsetHeight+"px";
			}
		}
		document.getElementById("image"+i).style.height=spacing+document.getElementById("image"+i).offsetHeight+"px";
		document.getElementById("tekst"+i).style.height=spacing+document.getElementById("tekst"+i).offsetHeight+"px";
	}	
}
function setBorder(aantal){
	for(i=2;i<aantal;i++){
		document.getElementById("dotted_border_hor"+i).style.width=document.getElementById("tekst"+i).offsetWidth+"px";
		document.getElementById("dotted_border_hor"+i).style.height="2px";
	}
}