You have to execute the original shell script with the current shell. If
you say
	setup1		# you get a new shell
while
	. setup1	# will allow env changes
-- 
	bill davidsen		(wedu at ge-crd.arpa)
  {uunet | philabs}!steinmetz!crdos1!davidsen
"Stupidity, like virtue, is its own reward" -me