function openwindow(filename, w, h)
  {
    var left=(window.screen.width/2)-(w/2);
    var Top=(window.screen.height/2)-(h/2) - 100;
    var desktop = window.open (filename, "_blank","toolbar=no,location=no,status=no,Left="+left+",Top="+Top+",menubar=no,scrollbars=yes,resizable=yes, width="+w+", height="+h+"");
  }
function openwindowANDname(filename, w, h, n)
  {
    var left=(window.screen.width/2)-(w/2);
    var Top=(window.screen.height/2)-(h/2) - 100;
    var desktop = open(filename, n, "toolbar=no,location=no,status=no,Left="+left+",Top="+Top+",menubar=no,scrollbars=no,resizable=no, width="+w+", height="+h+"");
  }