ASP.Net Menu Controls and altenate keys (508 Complaince) using AccessKey

Hi,
I have a master menu control that I use on all pages (see below). I am now being required to make them accessable from the keyboard for 508 Compliance. I have seen examples of using AccessKey to bring focus to a control and wondered if there was a way of doing it with the Menu Control. Hoping for a quick and dirty solution for this newby...


<asp:Menu id="MainNavigationMenu" pathseparator="," Runat="Server" CssClass="menuMain" Orientation="Horizontal"
    DynamicMenuStyle-HorizontalPadding="0" DynamicMenuStyle-VerticalPadding="0" DynamicMenuItemStyle-ItemSpacing="0"
    StaticMenuStyle-HorizontalPadding="0" StaticMenuStyle-VerticalPadding="0" StaticMenuItemStyle-ItemSpacing="0"
    StaticMenuItemStyle-Width="100px"  StaticMenuItemStyle-Height="19px" StaticEnableDefaultPopOutImage="false"
    DynamicMenuStyle-CssClass="menuMain_SubMenu" DynamicMenuStyle-BackCol ...