On Fri, 1 Dec 2006 18:58:19 -0000, "JCW" wrote:

...
Seriously though, thank you for that explanation...I've filed it for
reference.


So have I! It comes up every year.

Who knows, I could be a hero at the next table-quiz down the pub if they ask
the question...although it might take me to the end of the night to remember
and explain it all!!!

Wait until they've had more than you ;-)

--
Alan White
Twenty-eight miles NW of Glasgow, overlooking Lochs Long and Goil in Argyll, Scotland.
Webcam and weather:- http://windycroft.gt-britain.co.uk/weather
Some walks and treks:- http://windycroft.gt-britain.co.uk/walks