Pb PHPNUKE/W2000 cookies

I have intalled PHPNUKE on NT2000/php3/MySql all works fine but I have a problem with cookies !! is someone know this problem? Warning: Oops, php3_SetCookie called after header has been sent in G:\nuke\user.php on line 284 Warning: Cannot add more header information - the header was already sent (header information may be added only before any output is generated from the script - check for text or whitespace outside PHP tags, or calls to functions that output text) in G:\nuke\user.php on line 307 many thanks /-- Cyse Informatique --/ Patrick SILVA psilva@cyse.net http://www.cyse.net 105 avenue du Général LECLERC 77400 Lagny sur Marne Tél : (33) 1 64 30 32 32 Fax: (33) 1 64 30 32 22 /----------------------------------/