function enlarge(address, title, width, height)
{
  var border = 0; // 50;
  var opt = "menubar = 1, toolbar = 0, status = 0, resizable = 1, scrollbars = 0, width = " 
            + (width + border) + ", height = " + (height + border);

  newWin = window.open (address, "enlarged", opt);
  newWin.focus ();
}