var tm;
var tm1;
function showCol(refNum){
	var nieuwsItem = 0;
	if(refNum.indexOf("news_")!=-1){
		nieuwsItem = refNum.substring(refNum.indexOf("_")+1,refNum.length);
	}
	document.getElementById('fotoCol').style.visibility = "visible";
	document.getElementById('fotoCol1').style.visibility = "visible";

	var topH =  document.body.scrollTop;
	//document.body.scroll = "no";
	//if(topH==25){
		//topH = 197
	//}
	document.getElementById('fotoCol').style.top = topH;
	var w = ""+document.getElementById('fotoCol1').style.width;
	w=w.substring(0,w.length-2)
	w = w*1;
	w=w+25;
	if(w>=800){
		clearTimeout(tm);
		document.getElementById('btn_close').style.display='block';
		if(nieuwsItem==0){
			document.getElementById('fotoPage1').src = '/reffoto.asp?refNum='+refNum+'';
			}else{//Nieuws pagina tonen
			document.getElementById('fotoPage1').src = '/nieuwsitem.asp?num='+nieuwsItem+'';
			}
		document.getElementById('fotoBgId').className = "bgWait";
		var h = document.body.scrollHeight;
		document.getElementById('overlay').style.height = h;
		document.getElementById('overlay').style.display = "block";		
	}else{
		var h = ""+document.getElementById('fotoCol1').style.height;
		h=h.substring(0,h.length-2)
		h=h*1;
		h=h+25;
		if(h<=600){
			document.getElementById('fotoCol1').style.height = h;
			}

		document.getElementById('fotoCol1').style.width = w;
		tm = setTimeout('showCol("'+refNum+'")',1);
		}
	}
	
function closeCol(){
	document.getElementById('fotoBgId').className = "";
	document.getElementById('btn_close').style.display='none';
			document.getElementById('overlay').style.display = "none";
	var w = ""+document.getElementById('fotoCol1').style.width;
	w=w.substring(0,w.length-2)
	w = w*1;
	w=w-25;
	if(w<=0){
		//document.body.scroll = "yes";
		clearTimeout(tm1);
		document.getElementById('fotoCol').style.visibility = "hidden";
		document.getElementById('fotoCol1').style.visibility = "hidden";
		document.getElementById('fotoPage1').src = '/reffoto.asp';
	}else{
		var h = ""+document.getElementById('fotoCol1').style.height;
		h=h.substring(0,h.length-2)
		h=h*1;
		h=h-25;
		if(h>0){
			document.getElementById('fotoCol1').style.height = h;
			}

		document.getElementById('fotoCol1').style.width = w;
		tm1 = setTimeout('closeCol()',1);
		}
	}