I know the the law of Murphy. But this one is a must-have.:-) Regards Karim > * One way to reduce coupling is with the Law of Demeter: if you want > your dog to walk, don't talk to your dog's legs. You will only confuse > the dog and it won't get anywhere. > > http://en.wikipedia.org/wiki/Law_of_Demeter > > > > Hope this helps. > > >