my $cookie_jar = HTTP::Cookies->new();
my $ua = LWP::UserAgent->new;
$cookie_jar->set_cookie(undef, 'auth', $login.$md5_password, '/', $server, undef, 0, 0, 60*60, 0);
my $req = POST $server,
            [file1x => [$file]],
            'Content_Type' => 'form-data';
$cookie_jar->add_cookie_header($req);
my $result = $ua->request($req);
my $return = $result->content;