I am having a lot of trouble with the menu system on http://independencebp.webmaxsites.com
It looks fine in Firefox but in IE* the last menu Item drops below "About Us".

Why does this happen? Please help.

I would suggest that you create another style sheet for IE and include that with your other style sheet. always design for Mozilla etc and then seperatly add some sections to your IE style where it goes bonkers because IE can read conditional commenting

<link href="<%=ResolveUrl("~/style/FFStyle.css") %>" rel="stylesheet" type="text/css" media="screen" />
<!--[if IE]>
<link href="<%=ResolveUrl("~/style/IEStyle.css") %>" rel="stylesheet" type="text/css" media="screen" />