<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>