function imagePop(imagefile, w, h)
  {
  var nw = 30;
  var nh = 55;
  var imgWin;
  nw=(nw+w);
  nh=(nh+h);
  
  imgWin = window.open(imagefile, "imgWin","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes,width="+nw+",height="+nh+",left=450,top=300,screenX=450,screenY=300");
  if (imgWin)
    {
    imgWin.focus();
    imgWin.resizeTo(nw,nh);
    }
  }