Button for only rank 7

[Twan]

How do i create a button for only users with rank 7?

 

[Mitchul]

<ul id="navi">
 
    <li  class="metab selected"><strong>{username}</strong>    <span></span></li>
    <li  class=""><a href="{url}/community">Community</a><span></span></li>
    <li  class=""><a href="{url}/credits">Credits</a>    <span></span></li>
   
<?php if(mysql_result(mysql_query("SELECT rank FROM users WHERE id = '" . $_SESSION['user']['id'] . "'"), 0) >= 7)
            { ?>
                    <li class " "><a href="{url}/ase/">Housekeeping</a><span></span></li>
                    <?php
                    } ?>
</ul>