function thumbWindow(mypage, myname, w, h,fit_to_screen, imgtoolbar) {
h = h+15;
var props = '';
var orig_w = w;
var scroll = '';
var winl = (screen.availWidth - w) / 2;
var wint = (screen.availHeight - h) / 2;
if (winl < 0) { winl = 0; w = screen.availWidth -6; scroll = 1;}
if (wint < 0) { wint = 0; h = screen.availHeight - 32; scroll = 1;}
winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
win = window.open('', 'myThumb', winprops)
win.document.open();
win.document.write('');
win.document.write('');
if (imgtoolbar==0) { 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 - 6;
}
if (orig_w>sbreite) { rw = 'width='+sbreite;} else {rw = '';}
win.document.write('
');
} else {
win.document.write('