Bueno, estoy utilizando la session en el servidor y cuando utilizo la funcion session_start() me aparecen los siguientes errores:
Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at C:\AppServ\www\web\admin_noticias.php:7) in C:\AppServ\www\web\session_check.php on line 8
Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at C:\AppServ\www\web\admin_noticias.php:7) in C:\AppServ\www\web\session_check.php on line 8