{content block_id=21 levels=nested}
{if $_content_21|count > 0}
<div class="sidebar-box">
    <ul>
        {foreach name=aussen item=box_data from=$_content_21}
        <li class="level{$box_data.level}{if $box_data.active} active{/if}"><a href="{$box_data.link}" {if $page != 'index' && $box_data.content_hook gt 0} rel="nofollow"{/if}>{$box_data.title}</a></li>
        {/foreach}
    </ul>
</div><!-- .sidebar-box -->
{/if}