// Öffnet ein popUp Explorerfenster 
function popUpInfo(wintype, title, x, y)
{
  var nwl = (screen.width-x)/2;
  var nwh = (screen.height-y)/2;

  popUp=window.open(wintype, 'title', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no, width='+x+', height='+y+', left='+nwl+',top='+nwh+'');
  popUp.window.focus();
}