Thanks Greg For your detailed reply. It was impossible to find detailed information on this matter from my usual Web haunts and I appreciate the time you put into this. I'll read up on the two URLs you supplied - but I'll probably end up asking more questions :)
Again much appreciated, John Whattam. =================================== This list is hosted by DevelopMentor® http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com
