function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


var Fenstername;
var Fenster;
function fenster_datei (datei,breite, hoehe,titel)
{
  if (Fenster){Fenster.close();}
  Fenstername = titel;
  Fenster=window.open(datei, titel, "height="+hoehe+", width="+breite+", resizable=no, scrollbars=yes, toolbar=no, location=no, status=no");	   
  Fenster.focus();
  return;
}