var frn_open1 = 'width=500,height=450,screenX=0,screenY=0,status=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes,location=no';
var frn_open2 = 'width=550,height=450,screenX=0,screenY=0,status=no,menubar=no,toolbar=no,scrollbars=yes,resizable=yes,location=no';
function frn_openWin(theURL,winName,features) {
    Fenster = window.open(theURL,winName,features);
    Fenster.focus();
 }