Jim, I don't have info on hand but I can get it. Ask me again next week. Do you have a copy of the Evans video, if not I'll send you one free. John John R. Cameron 2678 SW 14th Drive, Gainesville, FL 32608-2050 phone: 352/371-9865; fax 352/371-9866 e-mail: jrcamero@facstaff.wisc.edu