function popup(url,name,options)
{
  var fenster = window.open(url,name, 'resizable=no,scrollbars=yes,width=470,height=396');

}


function popupkopie(url,name,options)
{
  var fenster = window.open(url,name, 'resizable=no,scrollbars=yes,width=470,height=396');
  var hoehe = screen.availHeight;
  var breite = screen.availWidth;
  fenster.moveTo(Math.round((breite-470)/2),Math.round((hoehe-396)/2));
  fenster.focus();
}