hey my friend went to the forum with mozilla firefox and at the top of the page he gets this message and below it the forum shows:

Warning: Cannot modify header information - headers already sent by (output started at /home/daki/public_html/header.php:32) in /home/daki/public_html/includes/page_header.php on line 529

Warning: Cannot modify header information - headers already sent by (output started at /home/daki/public_html/header.php:32) in /home/daki/public_html/includes/page_header.php on line 531

Warning: Cannot modify header information - headers already sent by (output started at /home/daki/public_html/header.php:32) in /home/daki/public_html/includes/page_header.php on line 532