use strict;
use CGI;
use LWP::UserAgent;
use HTTP::Cookies;
my $q = new CGI;

my $cookie_value = $q->cookie('name'); # Get cookie from bowser

my $ua = LWP::UserAgent->new;
my $cookie_jar = HTTP::Cookies->new;

# Pass cookie in LWP.
my $version = ''; # (from CPAN) What's this?
$cookie_jar -> set_cookie($version,'name',$cookie_value,"/"); 

$ua -> cookie_jar($cookie_jar);

my $form_data = [ name => 'value', ];
my $response = $ua->post("http://domain.com/cgi-bin/script.cgi",$form_data);

$html = ($response->is_success) ? $response->content : "Page not responding";