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Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/gtf/www/demos.php:1) in /home/gtf/www/include/connexion.php on line 4

Warning: mysql_connect() [function.mysql-connect]: Unknown MySQL server host 'mysql5-2' (1) in /home/gtf/www/include/connexion.php on line 21
connexion impossible