Original poster: "BunnyKiller" <bigfoo39@telocity.com> Hi All. with the increased fevor about SR's , I found a web page that discusses and explains SR's in a bit more relaxed nature instead of the harsh college text book version......... heres the site http://www.tpub.com/neets/book8/32m.htm a bit of forward button pushing will be needed to get to the proper page ... Scot D