Account expiry

["Patrick G. Victoriano" <pgvictoriano@xxxxxxxxxxxxxxxxxxxx>]

Hi Gurus,

I want to give access a certain user to the internet at a certain date. What config should I enter to my conf to implement this
setup

Example.

User IP				:	192.168.1.1
Date to give access the internet	:	July 3, 2008 to July 10, 2008


Please help. 
TIA
 
 
 
Regards,
 
 
 TRIK