Nested submenu

[Luis Parada]

Hi, I would like to know if is possible to make a submenu like this:

<li><a>ToDo</a>
    <ul>
        <li><a href="#">SubToDo</a>
            <ul>
                <li><a href="#">Sub-SubToDo</a></li>

            </ul>
        </li>
    </ul>
</li>

Thanks a lot!

Luis Parada.-