Something

<?php
if (get_user_class() > UC_USER ) {
?>
<li class="page_item"><a href="<?=$BASEURL;?>">Home</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/forums.php">Forums</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/browse.php">Browse</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/viewrequests.php">Requests</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/upload.php">Upload</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/usercp.php">UserCP</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/irc.php"><font color=yellow>IRC</font></a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/topten.php">Top-10</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/rules.php">Rules</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/faq.php">FAQ</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/links.php">Links</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/staff.php">Staff</a></li>
<?php
}
elseif (get_user_class() == UC_USER ) {
?>
<li class="page_item"><a href="<?=$BASEURL;?>">Home</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/forums.php">Forums</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/browse.php">Browse</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/viewrequests.php">Requests</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/upload.php">Upload</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/usercp.php">UserCP</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/irc.php"><font color=yellow>IRC</font></a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/topten.php">Top-10</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/rules.php">Rules</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/faq.php">FAQ</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/links.php">Links</a></li>
<li class="page_item"><a href="<?=$BASEURL;?>/staff.php">Staff</a></li>
<?php
}
?>