Auo generate number

[sayma]

Hi all,
I need an help regarding an auto generate password like a lottery. Say i have numbers in my database like - 1,2,3........... upto 100. Now i need a script which will generate an auto number from these numbers. and this will do every 1 hrs. I hope i make u understand whay i need. PLease help me. This is an urgent.

Thanking u in advance
sayma

[hand]

<?
$num = rand(1,100);
?>

http://www.php3.de/manual/en/function.rand.php

[psy]

n/m i was gonna mention the part with seeding it