++cLive ;-)'s wisdom is as true today as it was 11 minutes ago when he posted it (I always wanted to say that...so I apologize for starting that way). Also of worthy note is that you should be checking $ENV{'HTTP_COOKIE'} (or possibly $ENV{'COOKIE'}, depending upon webserver) instead of $ENV{'HTTP-COOKIE'}.

antirice    
The first rule of Perl club is - use Perl
The ith rule of Perl club is - follow rule i - 1 for i > 1