session problem

[eluser]Bigil Michael[/eluser]
I am destroying all session var in logout.php and calling it when user click on logout, what is user does not click on logout.php but directly close the browser. how can i delete session then???

can anyone help me????
thanks in advance...

[eluser]InsiteFX[/eluser]

Code:

$config['sess_expire_on_close'] = TRUE;