Lots of cheating going on it seems:-(

Having looked round this site (mostly) and done a bit extra reading, there are many functions that I don't think we utilise. A DBA...

Thanks additionally to Richard and Grant.

Richard, there appeared to be an internal error on the MCP site, but I'll try again another time.

Grant, I've been looking around and it does...

Terrific! Thanks very much, SeatedElephant:-)