How to collapse subforums?

[Omar Al-Ansari]

I got it

if anyone is interested then here it is

<div class="tcat">
   <if condition="$childforumbits">
   <a style="float:$stylevar[right]" href="#top" onclick="return toggle_collapse('forumbit_$forum[forumid]')"><img id="collapseimg_forumbit_$forum[forumid]" src="$stylevar[imgdir_button]/collapse_tcat{$collapseimg_forum[forumid]}.gif" alt="" border="0" /></a>
   </if>
   <a href="forumdisplay.php?$session[sessionurl]f=$forum[forumid]">$forum[title]</a>
   <if condition="$show['forumdescription']"><span class="smallfont"> &raquo; $forum[description]</span></if>
   <if condition="$show['subforums']"><span class="smallfont"><strong>$vbphrase[subforums]</strong>: $forum[subforums]</div></if>
</div>
<div class="border_left_top"<if condition="!$show['collapsable_forums']"> id="collapseobj_forumbit_$forum[forumid]" style="{$collapseobj_forum[forumid]}"</if>>
<if condition="$childforumbits">
$childforumbits
</if>
</div>

thanks to the guys at vbcodex.com