How to keep a value while the page refresh ?

[eluser]ludo31[/eluser]
[quote author="Ninjabear" date="1332498449"]I can only see one thing, you have no:

Code:

$config['uri_segment'] = 3; //Set to value of offset.

[/quote]

Hi , thanks for your response but this code don't suffice ???

Code:

$offset = $this->uri->segment(3);