Arrrgh - beat me to it by 2 minutes! GRIN
Serves me right for drinking beer while replying to a thread. Slows me up...
Good taste in jokes, though...
Correction - 16 minutes.
The ability to subtract two numbers is always the second thing to go.
That's because you're probably drinking from a narrow necked bottle.
I use a mug. Higher flow rate.
I posted between gulps. :-)