where in template html to insert 3rd column ?

[devnath]

Where in this html below do I insert a third column under the calendar  
on my editthispage site? There is no {calendar} in the html template 
under  Prefs.

Thanks.






<td><b>Discussion</b></td>
                     </tr>
                     <tr 
background="http://downloads.weblogger.com/weblogger1/theme2webloggercom/tablebg.
gif">
                       <td 
background="http://downloads.weblogger.com/weblogger1/theme2webloggercom/tablebg.
gif" bgcolor="#eeeeee">
                         <p><a 
href="/discuss">Today's&nbsp;Discussion</a><br>
                           <a 
href="/discuss/edit/newTopic">Create&nbsp;New&nbsp;Topic</a><br>
                           <a 
href="/discuss/topics">List&nbsp;by&nbsp;Topic</a></p>

                     </tr>
                   </table>
                 </td>
               </tr>
             </table>
             <p>{membershipBox}
           </td>
         </tr>
       </table>

     </td>
     <td valign="top" width="100%">
       <table width="100%" border="0" cellspacing="0" cellpadding="15">
         <tr>
           <td width="100%">
             <p>{editorialMenu}</p>
             <h2>{title}</h2>
             <p>{bodytext}
             <hr noshade size="1">
             <p>Copyright {year} - {homePageLink (siteName)}</p>
           </td>
         </tr>
       </table>
     </td>
   </tr>
</table>
</body>
</html>