I thought I explained it several posts ago bad manners. Presumably you can still read it, as the thread is still here, so I can only conclude that you can't or won't understand my explanation. I will certainly concede the possibility that it may have been too complicated for you, but for the life of me I can't think of a simpler way to phrase it.

Would anyone else like to have a go at explaining it to him? Did anyone else have trouble following it?