function newPopUp(link, width, height)
{
  var left = ( screen.width - width )/2;
  var top = ( screen.height- height )/2;

  PopUp = window.open(link, 'Anfahrt', 'width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + 'menubar=no,directories=no,scrollbars=yes,resizable=yes,toolbar=no,location=no,status=no,');

  PopUp.window.focus();
}