Might I suggest re-asking the question on the list
[log in to unmask]  which discusses these very issues?
 
--  co-owner INFOSYS, TQM-L, CPARK-L, ERAPPA-L, JANITORS, ldbase-l, et -L
[log in to unmask]    "Are cycle-stealers thieves? ;-)"   +1 814 863 1843
31 Shields Bldg. -- Penn State Univ -- University Park, PA 16802-1202 USA