How to issue a new session without closing the browser?

Hi! I have used your postgresql session functions in http://www.php.net/manual/en/ref.session.php with few changes. I have a login.php page that register 3 things - the pg_connect string, - a login flag to indicate that we already have done the login - actual time In a second php page I test - if login variable is set, if not I redirect to the login page. - if time has expired, if affirmative redirect to login page I have added a "pg_session_destroy" in your "user functions" to delete the actual session but when I reenter in the login page the session_start() re-creates the data I have just deleted with the same session_id. I would like to know how to issue a new session without closing the browser? What did I missed? - Working with php 4.0.4 - php.ini contains session.auto_start Off session.cache_expire 180 session.cache_limiter nocache session.cookie_domain no value session.cookie_lifetime 0 session.cookie_path / session.cookie_secure Off session.entropy_file no value session.entropy_length 0 session.gc_maxlifetime 60 session.gc_probability 1 session.name PHPSESSID session.referer_check no value session.save_handler user session.save_path /tmp session.serialize_handler php session.use_cookies On - track_vars and gpc_globals are not enabled TIA -- Evelio Martínez