dl tag question

[jaylow]

how can i make a list in a list in the dl taghere you have a li in a li tag

<ul><h1>Aliance's</h1><li> Aliance 1<ul><li> leader</li><li> app manager</li><li> general</li></ul></li><li> Aliance 2<ul><li>leader </li><li> app manager<ul> <li> recruit manager </li></ul></li></ul>

and i want to put a <dt> tag in a <dt>how do you do that ?i am making a menu

 <dl>   	 <dt><a class="nav" href="manual.html#action" title="Action Points">Action Points</a></dt>	 <dd> Action Points</dd>	 <dt><a class="nav" href="manual.html#planets" title="Planets">Planets</a></dt>	 <dd>Planets</dd>	 <dt><a class="nav" href="manual.html#ships" title="Ships">Ships</a></dt>	 <dd>Ships</dd>	  		  <a class="nav" href="manual.html#hangar" title="Hangar">Hangar</a>		  <a class="nav" href="manual.html#shipyard" title="Shipyard">Shipyard</a>

i want that the Hanger and shipyard open if your mouse hovers over Shipsshould i do it the same way as the li in li tag?