Gary T, that's a good idea. And so very kind. Maybe it would help if posters can remember to identify drifts or creeps using the time-tested flame method. Speaking of which, Al's opening tone did irk me, so...

flame on GUEST,Al, if it's too much reading, hire an assitant to precis the threads you (dis)like. OR You think it's too much reading? Try the library for the same info. AND Realtime is not a flash, but a whole day to walk 25 miles. flame off.

There, now that that's off my chest...this is, after all, a forum and not a short-answer test.