function lastUpdate( )
     {
        document.write(document.lastModified());
     }

     // print out two parts of email address
     // to protect from spam spiders
     // <a href='mailto:joeSmith@gmail.com'>joeSmith@gmail.com</a>
     function email(part1, part2)
     {
        document.write("<a href='mailto:" + part1 + "@" + part2 + "'>"
        + part1 + "@" + part2 + "<a>");
     }