function popup(event,event2,event3)
{
abstand = 50 + eval(event3);
fenster=window.open(event, event2, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=600,height=350,screenX='+abstand+',screenY='+abstand+',left='+abstand+',top='+abstand);
fenster.focus;
}

function popup2(datei,name)
{
fenster=window.open(datei,name, 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=yes,width=600,height=500,screenX=50,screenY=50,left=50,top=50');
fenster.focus;
}