my $ua = LWP::UserAgent->new(
        agent      => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322)',
        cookie_jar => HTTP::Cookies->new( file => 'cookies.txt', 
autosave       => 1,
ignore_discard => 1

 )
    );