function sxLogin($username, $password) {
        global $url;
        global $proxyaddr;
        $extra = '';
        if (!isset($url)) { die("\r\nConfiguration variables not set\r\n"); }
        $request = $url . 'api.php?action=login&lgname=' . $username . '&lgpassword=' . $password . '&format=php';
        while (true) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $request);
        if ($proxyaddr != "") { curl_setopt($ch, CURLOPT_PROXY, $proxyaddr); }
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_COOKIEJAR, "cookiejar.txt");
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, "wpName=".$username."&wpPassword=".$password."&wpLoginattempt=true$extra");
        $sxLgInput = curl_exec($ch);
        curl_close($ch);
        $sxLgI = unserialize($sxLgInput);
        $result = $sxLgI['login']['result'];
        if ($result=='NeedToken') {
            $extra = "&lgtoken=".$sxLgI['login']['token'];
        } elseif ($result != "Success") {
                $failed = "Login failed: $result\r\n";
                die($failed);
        } else {
                echo "\r\nLogged in as $username \r\n";
        }
        }
        $sxLgIA = array("token" => $sxLgI['login']['lgtoken'], "uid" => $sxLgI['login']['lguserid']);
        return($sxLgIA);
}