Try replacing
Code:
<table class="tcat_top" cellpadding="$stylevar[cellpadding]" cellspacing="0" border="0" width="100%" align="center">
<tr>
<td class="tcat_left"></td>
<td class="tcat"><strong>$vba_style[portal_blockbullet] <if condition="$mods['link']"><a href="$mods[link]">$mods[title]</a><else />$mods[title]</if></strong></td>
<td class="tcat_right"><img src="$stylevar[imgdir_misc]/skin/spacer.gif" class="spacer" alt="" /> <if condition="$vba_style['portal_collapsemods']"><a href="#top" onclick="return toggle_collapse('module_$mods[collapse]')"><img alt="" border="0" id="collapseimg_module_$mods[collapse]" src="$stylevar[imgdir_button]/collapse_tcat$modimgcollapse.gif" /></a>
</if></td>
</tr>
</table>
with
Code:
<div class="tcat_big">
<div class="tcat_left"/>
<div class="tcat_right">
<div class="tcat_right_inner">
<if condition="$vba_style['portal_collapsemods']"><a href="#top" onclick="return toggle_collapse('module_$mods[collapse]')"><img alt="" border="0" id="collapseimg_module_$mods[collapse]" src="$stylevar[imgdir_button]/collapse_tcat$modimgcollapse.gif" /></a></if>
</div>
</div>
<div class="tcat_text">
<div class="tcat_text_inner"><strong>$vba_style[portal_blockbullet] <if condition="$mods['link']"><a href="$mods[link]">$mods[title]</a><else />$mods[title]</if></strong></div>
</div>
</div>