SQL_Kills (12/16/2013)
I've worked it out now, so I don't need help on how to do this.
Well done. I have some ideas about how I would do it and will post back later if I have time - maybe it will be of interest to you.
If you haven't even tried to resolve your issue, please don't expect the hard-working volunteers here to waste their time providing links to answers which you could easily have found yourself.