Hi there,
I don't know if there is a fix available at all. The code that Dreamweaver generates for these menus is extremely messy. Personally, I never use them. For many reasons, including behavior and maintenance of your code, you'd better look into clean CSS menus. With a simple structure of[list] and <li> elements you can create elegant menus like the one on this site:
http://www.designit.nl/
I know it's not a real answer to your question, but IMO it's worth considering.
Cheers,
Imar
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Imar Spaanjaars
Everyone is unique, except for me.