function NewWindow(seite, name, breite, hoehe, scroll) {
var winl = (screen.width - breite) / 2;
var wint = (screen.height - hoehe) / 2;
option = 'height='+hoehe+',width='+breite+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
win = window.open(seite, name, option)
if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
}