function fenster(breite,hoehe)
{
 Fenster=window.open('','Fenster','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width='+breite+',height='+hoehe+',left=130,top=80');
 Fenster.focus();
}

function popupmail()
{
  Kontakt=window.open('','Mail','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=400,height=400,left=50,top=50');
  Kontakt.focus();
}