We have to change the CSS class name for the first ul tag of the menu's output html how can we do that 
here is the script which is generated from the menu control can we change this class name to any custom name? 
CMSListMenuUL to 
cusutomcssclass<ul class="CMSListMenuUL" id="menuElem">
		<li class="CMSListMenuLI"><a href="/about/about.aspx" class="CMSListMenuLink">About</a>
		<ul class="CMSListMenuUL">
			<li class="CMSListMenuLI"><a href="/About/Contact-Us.aspx" class="CMSListMenuLink">Contact Us</a></li>
 
		 </ul>
		</li>
		<li class="CMSListMenuLI"><a href="/Events.aspx" class="CMSListMenuLink">Events</a>
		<ul class="CMSListMenuUL">
			<li class="CMSListMenuLI"><a href="/Events/Chapter-Events.aspx" class="CMSListMenuLink">Chapter Events</a></li>
	  </ul>
		</li>
</ul>