Menu desplegable de webmio

<li><a href="Url Click"><span class="l"></span><span class="r"></span><span class="t">Titulo</span></a>
                         <ul>
                            <li><a href="Url">Name</a></li>
                            <li><a href="Url">Name</a></li>
                            <li><a href="Url">Name</a></li>
                            <li><a href="Url">Name</a></li>
                         </ul>