Opps, missed the other part of my conditional:
Thanks for the fast replies guys
@Ken - I did look at that briefly but it seems a bit overkill for what I was wanting to do. It’s definitely an option I’ll keep in mind though if I want to do something more sophistication in the future 
@Brad - Sounds like that might do the job for me, and after reading that I don’t know why I didn’t think of that myself :-).
Cheers,
James