function WinPopx (url) {
 fenster = window.open(url, "fenster1", "width=670,height=510,location=no,menubar=no,scrollbars=no,status=no,titlebar=no,resizable=no");
 fenster.focus();
}
function WinPopy (url) {
 fenster = window.open(url, "fenster2", "width=510,height=670,location=no,menubar=no,scrollbars=no,status=no,titlebar=no,resizable=no");
 fenster.focus();
}