Thanks Hardy. Great explanation as usual. Renie in Ramona, CA <A HREF="http://www.gilcrestwelshponies.com";>Gilcrest Welsh Ponies</A> _________________________________________________________ To Unsubscribe, change to Digest or Vacation mode go to: http://www.drivingpairs.com/dpmem.html `````````````````````````````````````````````````````````