
Here How I did it
$tabselected = '';
$tablinks = '';
if (THIS_SCRIPT == 'Shop')
{
$vbulletin->options['shop']='unique_name';
$tabselected = ' class="selected"';
$tablinks = ' <ul class="floatcontainer">
<li><a href="http://www.christian-gate.net/cgforum/forumdisplay.php?2-Christian-Gate-Main-Forum">shop</a></li>
<li class="popupmenu">
<a href="javascript
://" class="popupctrl">Drop Down</a>
<ul class="popupbody popuphover">
<li><a href="sublink1.php">SubLink 1</a></li>
<li><a href="sublink2.php">SubLink 2</a></li>
<li><a href="sublink3.php">SubLink 3</a></li>
</ul>
</li>
<li><a href="link2.php">Link 2</a></li>
<li><a href="link3.php">Link 3</a></li>
</ul> ';
}
$template_hook['navtab_end'] .= '<li'.$tabselected.'><a class="navtab" href="http://www.christian-gate.net/cgforum/forumdisplay.php?2-Christian-Gate-Main-Forum">Shop Forum</a>'.$tablinks.'</li>' ;
Thanks