function popup(deurl, breedte, hoogte) {
    myWin = open(deurl,'','width=' + breedte + ',height=' + hoogte +',resizable=1,scrollbars=yes,status=no,toolbar=no,menubar=no');
}

function confirmDialog(url, msg) {
    var fRet;
    response = confirm(msg + '?', '');
    if (response == true ) {
        document.location.href = url;
    }
}

function MM_findObj(n, d) { //v4.01
	var p,i,x;  
	if (!d) 
		d = document; 
	if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
	    d = parent.frames[n.substring(p+1)].document; 
	    n = n.substring(0,p);
	}
	if (!(x = d[n]) && d.all) 
		x = d.all[n]; 
	for (i = 0; !x && i < d.forms.length; i++) 
		x = d.forms[i][n];
	for(i = 0; !x && d.layers && i < d.layers.length; i++) 
		x = MM_findObj(n, d.layers[i].document);
	if (!x && d.getElementById) 
		x = d.getElementById(n); 
	return x;
}