GD, there is a link to it.
here is some of the source code from the main DNF page, check the last line:
<td class="vbmenu_control"><a href=/membership_plans.php style=color:
#FFF4BF;>Membership Upgrade</a></td>
<!-- <td class="vbmenu_control"><a href="bank.php">Buy DNF$</a></td> -->
<!--
<td class="vbmenu_control"><a href="memberlist.php?">Members List</a></td>
<td class="vbmenu_control"><a href="search.php?do=getnew">New Posts</a></td>
<!-- <td class="vbmenu_control"><a href="calendar.php?">Calendar</a></td> -->