function zeigebild(bild)
{
  url = "zeigebild.php?bild=" + bild + "&show";
  window.open(url,"zeigebild","width=1,height=1,status=0,location=0,left=50,top=50");
}

function popup(url)
{
  window.open(url,"popup","status=1,location=1,menubar=1,resizable=1,scrollbars=1,toolbar=1");
}