>Dean,
>
>Put this in the same category as a "grid in a grid" ... Neat trick, but disaster will strike if the UDF cannot be found. Hmmmm.....I suppose that using a UDF in this way could be intentional for some sort of protection scheme....

Yeah, but a good hacker can just delete the CDX, then they can open the table. Not that I am a good hacker or anything. :)