Crikey, Forget, I know I said no need to apologise - after all I was only trying to provide a comprehensive and accurate answer for Boris - but I equally didn't expect to be "wound up" in return! Of course, I now realise that you
had read the previous post.
Jack (aka Jock)
PS Am I a spam? First and last words above should provide clues, assuming you remember you asked the question ....
