Actually, I was using that (thanks to you, Bert) and it is still on my desktops, but I just type "control L" while my hands are still on the keyboard and the computer is locked. I never made a function key shortcut for it, or that would have been faster.

Wendell
Pediatrician in Chicago

The patient's expectation is that you have all the answers, sometimes they just don't like the answer you have for them