function openOnlineRechner(typ, weite, hoehe) {
    //alert(typ);
    newWindow = window.open ( typ, "OnlineRechner", "width=" + weite + ",height=" + hoehe + ",alwaysRaised=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,toolbar=no,resizable=yes,dependent=yes,modal=yes" );
    newWindow.focus();
}