Sorry about that. I try not to use acronyms too often when writing for HomeMadeTools.net. I have been working in and around information technology since the early 1970's where too much information is either a three or four letter acronyms (and reused more than once). Sometimes in our meetings when someone else is presenting, I will ask a question using the exact words represented by the acronyms being discussed just to make sure everyone else in the room knows what we are discussing. When in doubt, ask for clarification because you are probably not the only one in the room who wants to know. Thanks for asking, Paul