Per (PeteCresswell):

I guess great minds reach similar conclusions... -)

I think I've got pretty much of a wrap on this thing.

Sample spreadsheet: http://tinyurl.com/2zhq9x


The Up/Down arrows were harder to work with and I finally stumbled on to the
graphics primitives - which included a triangle which fit the bill nicely.

Thanks for the help.
--
PeteCresswell