Jabou, I quickly browsed thru with intentions of checking it out some more later..Thanks--it appears very informative. Ngai. <<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>> To view archives of postings, go to the Gambia-L Web interface at: http://maelstrom.stjohns.edu/archives/gambia-l.html <<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>>//\\<<//\\>>