function popup_fenster(meineSeite2,meinName2,w2,h2){
settings2 ='height='+h2+',width='+w2+',screenX=0,screenY=0,left=0,top=0,location=no,resizable=yes,scrollbars=no,status=no,toolbar=no';
popup_fenster = window.open(meineSeite2,meinName2,settings2)
}