First of all, there isn't a drop down menu for New Posts so you would need to create one. Open the navnar template.
Find:
Code:
<if condition="$show['member']">
<td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getnew" accesskey="2">$vbphrase[new_posts_nav]</a></td>
<else />
Replace it with:
Code:
<if condition="$show['member']">
<td id="newposts" class="vbmenu_control"><a href="search.php?$session[sessionurl]" accesskey="2">$vbphrase[new_posts_nav]</a><script type="text/javascript">vbmenu_register("newposts"); </script></td>
<else />
Find:
Code:
<!-- NAVBAR POPUP MENUS -->
Add below:
Code:
<div class="vbmenu_popup" id="newposts_menu" style="display:none">
<table cellpadding="4" cellspacing="1" border="0">
<tr><td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getnew" accesskey="2">NIncluding Shopping</a></td></tr>
<tr><td class="vbmenu_control"><a href="search.php?$session[sessionurl]do=getnew&exclude=x" accesskey="2">Excluding Shopping</a></td></tr>
</table>
</div>
Where
x is the forumid of the shipping forum.
I always test new things on a default style that is not selectable to normal members before implementing it on my main board.
Good luck!