function thumbWindow(mypage, myname, w, h,fit_to_screen) {
var props = '';
var orig_w = w;
var scroll = '';
var winl = (screen.availWidth - w) / 2;
var wint = (screen.availHeight - h) / 2;
var w_real = w + 4;
var h_real = h + 4;
winprops = 'height='+h_real+',width='+w_real+',top='+wint+',left='+winl+',scrollbars=no,resizable=no'
win = window.open('', 'myThumb', winprops)
win.document.open();
win.document.write('');
win.document.write(''+myname+'');
win.document.write('');
if (fit_to_screen) {
var ns6 = (!document.all && document.getElementById);
var ie4 = (document.all);
var ns4 = (document.layers);
if(ns6||ns4) {
sbreite = innerWidth - 23;
}
else if(ie4) {
sbreite = document.body.clientWidth - 5;
}
if (orig_w>sbreite) { rw = 'width='+sbreite;} else {rw = '';}
win.document.write('
');
} else {
win.document.write('