function popUp(bestand)
{
	var newdiv = document.createElement('div');
	
	newdiv.style.width = screen.width-18;
	newdiv.style.height = screen.height+100;
	newdiv.setAttribute("id", 'henk');
	newdiv.style.backgroundImage = "url('png.png')";
	newdiv.style.position = "absolute";
	newdiv.style.left = "0px";
	newdiv.style.top = "0px";
	newdiv.style.overflow = "hidden";

	document.body.appendChild(newdiv);
	
	var newdiv2 = document.createElement('div');
	
	newdiv2.setAttribute("id", 'bert');
	newdiv2.style.backgroundColor = "#FFFFFF";
	newdiv2.innerHTML = '<a href="http://gtmailing.deindrukdemo.nl/portfolio.html"><img border="0" style="padding: 12px 12px 0 12px;" src="images/close.gif" alt="close" /></a><br /><img onclick="deleteDiv();" style="cursor: pointer;" border="0" src="'+bestand+'" />';
	newdiv2.style.position = "absolute";
	newdiv2.style.left = ((screen.width - 410) / 2)+"px";
	newdiv2.style.top = ((screen.height - 164) / 2)+"px";
	newdiv2.style.zIndex = '10000';
	
	document.body.appendChild(newdiv2);
	document.getElementById('hidden_').style.display = 'hidden';
}
  	
function deleteDiv()
{
  		var Node1 = document.getElementById('bert');
		document.body.removeChild(Node1);
		
		var Node2 = document.getElementById('henk');
		document.body.removeChild(Node2);
		
		var aanmelden = document.getElementById('aanmelden');
		aanmelden.src = 'aanmelden.php?action=zelf';
}