function imprint (){
breitex = 260;
hoehex = 545;
pop1 = window.open ("impressum.html","imprint","width="+breitex+",height="+hoehex+",resizable=no,scrolling=no,scrollbars=no");
posx = (screen.width - breitex)/2;
posy = (screen.height - hoehex)/2;
pop1.moveTo(posx, posy);
x1 = breitex + 5;
y1 = hoehex + 25;
pop1.resizeTo(x1,y1);
pop1.focus();
}
function popup(dateiname,breitex,hoehex) {
F = window.open('','pop','width='+breitex+',height='+hoehex+',resizable=no,scrolling=no,scrollbars=no');
F.document.write('zoom');
F.document.write('
');
F.document.write('');
posx = (screen.width - breitex)/2;
posy = (screen.height - hoehex)/2;
F.moveTo(posx, posy);
x1 = breitex + 7;
y1 = hoehex + 32;
F.resizeTo(x1,y1);
F.focus();
}