OOPs Sorry I was up pretty late last night lurking on the list serve, and must have sent this by mistake while trying to forward the article to another addressee. I may need to refresh my memory about how to post to this list serve. I have been away for a year or so (my wife was suffering with terminal cancer) and I am so glad to find this group is still doing its magic. Peter ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn