// JavaScript Oproepen van popup_venster
<!-- Begin
function popup(pagina,breedte,hoogte)
{
url = pagina;
window_name = "";
properties = "toolbar=no,location=0,directories=no,status=no,menubar=0,scrollbars=yes,resizable=1,copyhistory=0,width=" +
breedte + ",height=" + hoogte + ",left=50,top=50";
instructions = window.open(url, window_name, properties);
}
// End -->