function add_show_contents_link()
{
  if (window==window.top)
  {
    document.write("<hr><p align=center><b><a href=\"../index.php?page=");
    document.write(document.URL);
    document.write("\"><img align=absmiddle border=0 src=\"../../../images/icons/help.gif\">&nbsp;Click here to show the Help Contents</a></b>.</p>");
  }
}