Problem with Internet Explorer 8

[Allnick]

IE 7........

</tbody>
<!-- end logged-in users --><!-- who has visited -->
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<td class="thead" colspan="2">
<a style="float:right" href="#top" onclick="return toggle_collapse('forumhome_todayusers')"><img id="collapseimg_forumhome_todayusers" src="images/dj/buttons/collapse_thead.gif" alt="" border="0" /></a>
Total members that have visited the forum today: 4
</td>
</tr>
</tbody>
<tbody id="collapseobj_forumhome_todayusers" style="">
<tr>
<td class="alt2"><a href="memberlist.php"><img src="images/aria/misc/whos_online.gif" border="0" /></a></td>
<td class="alt1" width="100%"><div class="smallfont"><a href='member.php?u=2' title='12:29 AM' ><span style="color: red; font-style: bold">Allen</span></a>, <a href='member.php?u=13' title='12:00 AM' >Claire</a>, <a href='member.php?u=3' title='12:04 AM' ><span style="color: green; font-style: bold">Shelagh</span></a>, <a href='member.php?u=136' title='12:06 AM' >surfy</a></div></td>
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<!-- end who has visited -->
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IE8.......
</tbody>
<!-- end logged-in users --><!-- who has visited -->
<tbody>
<tr>
<td class="thead" colspan="2">
<a style="float:right" href="#top" onclick="return toggle_collapse('forumhome_todayusers')"><img id="collapseimg_forumhome_todayusers" src="images/dj/buttons/collapse_thead.gif" alt="" border="0" /></a>
Total members that have visited the forum today: 4
</td>
</tr>
</tbody>
<tbody id="collapseobj_forumhome_todayusers" style="">
<tr>
<td class="alt2"><a href="memberlist.php"><img src="images/aria/misc/whos_online.gif" border="0" /></a></td>
<td class="alt1" width="100%"><div class="smallfont"><a href='member.php?u=2' title='12:29 AM' ><span style="color: red; font-style: bold">Allen</span></a>, <a href='member.php?u=13' title='12:00 AM' >Claire</a>, <a href='member.php?u=3' title='12:04 AM' ><span style="color: green; font-style: bold">Shelagh</span></a>, <a href='member.php?u=136' title='12:06 AM' >surfy</a></div></td>
</tr>
</tbody>
<!-- end who has visited
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I don't see any difference.
Am I missing something?