function openwindow(theURL,theName,theDingen)
	{ window.open(theURL, theName, theDingen) ;}

function opentop(theURL){
	top.location = theURL;
}

<!--
// script voor het openen van een popupwindow
// nu in gebruik om de webquest te openen
// 20030702 JK

var _pop = null;
function BoardwalkPopup(url,W,H,opties,newwin){
	var sw = screen.width;
	var sh = screen.height;
	W=W?W:800;H=H?H:600;
	var l = (sw - W)/2;
	var t = (sh - H)/2;
	var _n = newwin || "nwin";
	var _o = "location=0,directory=0,status=0,titlebar=0,menubar=0,resizable=0,copyhistory=0";
	var _p = ",width="+W+",height="+H+",left="+l+",top="+t+",screenX="+l+",screenY="+t;
	if(_pop && !_pop.closed) _pop.close()
	if(!opties || opties==null || opties=='')	_pop = window.open('about:blank',_n,_o+_p)
	else _pop = window.open('about:blank',_n,opties+_p)
	_pop.location.href = url;
	if(_pop.focus()) _pop.focus();
}
//-->