function popUpA4(wintype)
{
  popUp=window.open(wintype, 'NewWindows', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=600,height=825,left=30,top=50'); 
  popUp.window.focus(); 
}
function popUpImpressum(wintype)
{
  popUp=window.open(wintype, 'NewWindows', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=600,height=400,left=30,top=50'); 
  popUp.window.focus(); 
}