XY-> Later, after I've studied the great Tyson's book, I might ask you for -> tips as I start writing my own routines. Hi, Jack, Sure! It would be much fun--and I'm sure other people will pitch in as well. Someone must know, for example, the VA code to determine whether a define is active. --Chet --- ? SLMR 2.1a ? Art + write + dtp = chet.gottfried@xxxxxxxx