lol lol...... I bet Bob will roll his eyes, John. It's quite funny really. I waited for somebody else to point it out. But this sort of mistake is so easy to miss. Being dyslexic I make mistakes all the time, much to the amusement of my nearest and dearest. I read everything twice before I hit the 'send' bottom, but some real howlers still slip through. I find anything to do with languages fascinating.