I am still getting the same error messages:
Warning: session_regenerate_id(): Cannot regenerate session id - headers already sent in /home4/mresnik/public_html/login.php on line 103
Warning: Cannot modify header information - headers already sent by (output started at /home4/mresnik/public_html/login.php:3) in /home4/mresnik/public_html/login.php on line 117