Milonic JavaScript Menu

If you look at http://www.source-web.co.uk/development/classic/ the "get a quote" link in the menu on the left is supposed to open in a popup.

The menu definition code for the item in question is:
aI("text=get a quote;url=lightbox.php;target=lightbox;
targetfeatures=width=625,height=325,status ...

Amiga browsers are horrendously outdated. It's been three years since I last used an Amiga and iBrowse 2.3 had already come out by then.

JavaScript and CSS support on the Amiga has always been incredibly sketchy, I don't think there's going to be much you can do for this guy other than create a ...

//edit: Nope, I spoke too soon!

I've added buildAfterLoad=true to my menu data file but it's not fixed the problem :(

Because of the nature of the menus on the site (they're content managed) I can't easily separate out the main menu from the submenus :( Any other ideas?

//edit2: All sorted now ...

I'm trying to use the menu on this page:
http://www.source-web.co.uk/development/classic/

In Firefox, the submenu that branches off the "about us" option works fine. It appears to the right of about us, and is perfectly visible.

In MSIE, the submenu appears way over to the right in the middle of ...