<script type="text/javascript">          
          $('span.forumViewed').each(function (i, g) {          
          $.get($(this).parent().find('a.forum').attr('href'), function (data) {          
          g.innerHTML = '[' + $('td.forumOnlineBar:first', data).html().replace('$USERNAME$', '') + ']';          
          });          
          });          
          </script>