problems with creating dropdown

[AN-net]

ok for some reason i can not create a drop down. i making for a hack and it does not see to be working here is my code:

<td id="pedigreemenu_statistcs_$pedigree[pedigree_id]" class="thead" colspan="2"><a href="#link">Statistics</a> <script type="text/javascript"> vbmenu_register("pedigreemenu_statistcs_$pedigree[pedigree_id]"); </script></td>

<div class="vbmenu_popup" id="pedigreemenu_statistcs_$pedigree[pedigree_id]" style="display:none">
<table cellpadding="4" cellspacing="1" border="0">
<tr>
<td class="vbmenu_option"><b>Views:</b></td>
<td class="vbmenu_option">$pedigree[views]</td>
</tr>
<tr>
<td class="vbmenu_option"><b>Rating:</b></td>
<td class="vbmenu_option"><img src="$stylevar[imgdir_rating]/rating_$rating.gif" border="0" /></td>
</tr>
<tr>
<td class="vbmenu_option"><b>Date Added:</b></td>
<td class="vbmenu_option">$date at $time</td>
</tr>
</table>
</div>