var x = 100;
  fenster = window.open("0613.htm","New","width=270,height=450,left=x,top=100");
  function bewege()
  {
    if(x < screen.width - 200)
    {
      x++;
      fenster.moveTo(x,100);
      setTimeout("bewege()",50);
    }
    else
      fenster.close();
  }