var popup;
function popup(fotoGroot, gb, gh) {
var scroll='no';
var status='no';
var winl = (screen.width - gb) / 2;
var wint = (screen.height - gh) / 2;
winprops = 'height='+gh+',width='+gb+',top='+wint+',left='+winl+',scrollbars='+scroll+',status='+status;
win = window.open("", "GroningenBevrijd", winprops);
win.document.open();
win.document.write('');
win.document.write('');
win.document.write('Groningen - Bevrijd');
win.document.write('');
win.document.write('');
win.document.write('
');
win.document.write('');
win.document.write('');
win.document.close();
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}