I would highly doubt there is a need to use frames in this instance. If you are trying to surround your forum with a higher level of navigation or some border, or whatever else really, then there's no need.

This is just one of the many problems you face.

Most forum softwares have a header and footer template you can edit, so therefore you can theoretically surround your forum with anything.

If you really really do have to keep frames, then could you give us a url, or build a really crude demo so we can look at something?

I imagine a javascript to get this going would be very simple and should be aimed at the frames parent.

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