WYSIWYG HTML editor cut & paste

I've just been mucking around with the sample editor posted here, and found that while it works 100% as the author probably intended it to, it has one feature that I'd like to change, but don't know exactly how to.

When pasting from Word 2000, it retains *all* the unneccessary formatting. Is there an easy way to filter this garbage out using javascript/vbscript, etc ?

The reason I'd like to do this is that if a person cuts and pastes a document into the database, that formatting could override the default I'd like on the site.

Could some kind soul please point me in the right direction for finding a solution to this problem ?

Thanks,

Kiwi