View file upload/templates/Default/modules/topmenu.tpl

<a[available=main] class="active"[/available] href="/" title="Home">Home</a>
<a[available=feedback] class="active"[/available] href="/index.php?do=feedback" title="Contacts">Contacts</a>
<a[available=rules] class="active"[/available] href="/rules.html" title="Rules">Rules</a>