IIRC, "FrontPage Webs" have all kinds of little dirs (and more in subtrees) that have some code in them, also. You might find the appropriate ones and call them with an include() or require() --- dunno if that'd work, mebbe worth a try though.
Wonder if MS could help you here? What happens when you do a "properties" call from a context menu on the "X" ??
Lastly, FrontPage can do some things OK, like put a site up fast, but $uper$tring is right --- so much more control and possibilities with PHP/Java/CSS.....
My .02,