sub setCookie($) {
   my($session) = @_;
   my $query = new CGI;
   $sid = $session->id();
   $cookie = $query->cookie(-name => "CGISESSID",
                            -value => $sid,
                            -expires => '+1h',
                            -path => '/tmp/Sessions');
   print $query->header(-cookie=>$cookie);
}