var globalurl;
var raam = false;

function Plaatje(url){
	var w = 480, h = 340;
	if (document.all) {
   /* the following is only available after onLoad */
  	w = document.body.clientWidth;
  	h = document.body.clientHeight;
	}
	else if (document.layers) {
  	w = window.innerWidth;
 	h = window.innerHeight;
	}
	popW = 600;
	popH = 375;
	leftPos=(w)?(w-popW)/2:0;
	topPos=(h)?(h-popH)/2:0;
	if (typeof raam == 'undefined') {
		var raam = false;
	}
	if (raam.document == null) {
		raam = window.open('view.html?id='+url,'popup','width=500,height=375,left='+leftPos+',top='+topPos+',toolbar=no,resizable=no,scrollbars=yes');
		raam.focus();
		
		globalurl = url;
		raam.onload = function() {
			var imgs = raam.document.body.getElementsByTagName('img');
			imgs.item(0).src = globalurl;
		}
	} else 	{
		raam.focus()
		var imgs = raam.document.body.getElementsByTagName('img');
		imgs.item(0).src = url;
	}
}