Sorry about this , forgot to add , if I recall this is a demo as well.
Don't want to raise your hopees up so if anyone else has can help, dive in!!
regards
I've got this somewhere and I shall dig it out when I get back home (Saturday sometime , if it will help)
sorry it can't be sooner but pressure of work etc.
regards
Jeff
Chalky,
Thanks for the technical response, I've tried in the past to explain the pros and cons without really understanding why..
and now I know... (I think!)
jeff