function fenster(seite, weite, hoehe){
  var mon, toppos, leftpos;

  toppos = (screen.height - hoehe)/2;
  leftpos = (screen.width - weite)/2;
  features = "scrollbars=0,location=0,toolbar=0,menubar=0,resizable=0,status=0";
  mon = window.open("popup.php?pic="+seite,"HausDerBlinden","width="+weite+",height="+hoehe+",top="+toppos+",left="+leftpos+","+features);
  mon.focus();
}

function googlefenster(seite, weite, hoehe){
  var mon, toppos, leftpos;

  toppos = (screen.height - hoehe)/2;
  leftpos = (screen.width - weite)/2;
  features = "scrollbars=0,location=0,toolbar=0,menubar=0,resizable=0,status=0";
  mon = window.open(seite,"HausDerBlinden","width="+weite+",height="+hoehe+",top="+toppos+",left="+leftpos+","+features);
  mon.focus();
}