rong>[Trees]</strong></td>
      <td valign="top">viewing the trees page</td>
      <td valign="top"> the trees page </td></tr>
  <tr><td valign="top"><strong>[Index]</strong></td>
      <td valign="top">viewing the index page</td>
      <td valign="top"> the index page </td></tr>
  <tr><td valign="top"><strong>[Help]</strong></td>
      <td valign="top">viewing the help page</td>
      <td valign="top"> the help page </td></tr>
</table>

<p> The "<strong>show private</strong>" and "<strong>hide private</st