{category module=share pid=0}

        <li class="dropdown "> <i class="arr"></i>

          <a href="{$t.url}" title="{$t.name}" >{$t.name}</a>

          <div class="dropdown-box">

            {if $t.child}

            {category module=share pid=$t.id return=t2}

            <p><a href="{$t2.url}" title="{$t2.name}">{$t2.name}</a></p>

            {/if}{/category}

          </div> 

        </li>

          {/category}