Well that setCookie is still setting the domain with a preceding . You are also limiting access to the cookie to only setCookie by the path you are using.

HTTP/1.1 200 OK
Date: Wed, 16 Jan 2002 03:09:40 GMT
Server: Apache/1.3.19 (Unix) FrontPage/4.0.4.3
Set-Cookie: user=dummy; domain=.jplan.com; path=/cgi-bin/ctb/setCookie
+.pl
Set-Cookie: password=hispassword; domain=.jplan.com; path=/cgi-bin/ctb
+/setCookie.pl
Connection: close
Content-Type: text/html
[download]

--
perl -pe "s/\b;([st])/'\1/mg"