// JavaScript Document
function popup(datei,w,h) {
  var breite = w;
  var hoehe = h;
//  var xko = screen.width/2 - breite/2;
//  var yko = screen.height/2 - hoehe/2;
var xko = 200;
var yko = 200;
  popit = window.open(datei, "name", "width="+breite+", height="+hoehe+", left="+xko+", top="+yko+", scrollbars=no, resizable=no");
  popit.focus();
}