hi my user name is old codger and i must say that after three days i have just about managed to be able to discover how to post a message, so much for the easy to use site, where are the guide lines that enable u to respond to other peoples threads and to also post your own thread as i found this thread purely by accident, nevertheless i will accept that maybe i am not conversant with this sites vocabulary and will therefore endeavor to come to terms with there meanings, however help will be appreciated