$useragent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080201 Firefox/2.0.0.12";

function hitForm($loginURL, $loginFields, $referer="") {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_COOKIEJAR, "cookies.txt");