function copyright()
{
  localtime = document.lastModified;
  
  document.write(
    '\n' +
    '<hr width="100%" size="2">\n' +
    '<table width="100%">\n' +
    '  <tbody>\n' +
    '    <tr>\n' +
    '      <td align="left">\n' +
    '        <font size="-1" color="gray">\n' +
    '          Copyright &copy; 2005-2007 ' +
    '          <a href="http://www.phys.uconn.edu/~he/">Kuang He</a>\n'+
    '          (<a href="mailto:%69%63%72%61%7A%79%40%67%6D%61%69%6C%2E%63%6F%6D">icrazy AT gmail.com</a>)<br>\n' +
    '          Last updated: ' + localtime + '\n' +
    '        </font><br>\n' +
    '      </td>\n' +
    '      <td align="right" width="185">\n' + 
    '        <a href="http://validator.w3.org/check?uri=referer" style=\'text-decoration:none; border:none\'><img\n' +
    '            src="images/valid-html401.png"\n' +
    '            alt="Valid HTML 4.01 Transitional" align="top" border="0" height="31" width="88">\n' +
    '        </a>\n' +
    '        <a href="http://jigsaw.w3.org/css-validator/check/referer/" style=\'text-decoration:none; border:none\'>\n' +
    '          <img style="border:0;width:88px;height:31px"\n' +
    '                 src="images/vcss.png"\n' +
    '                 alt="Valid CSS">\n' +
    '        </a>\n' +
    '      </td>\n' +
    '    </tr>\n' +
    '  </tbody>\n' +
    '</table>\n');
}