Ps3 how do i connect it to my wirless internet ...i wnat to know the full steps?

hey guyz look i know that i need a wireless router..... so when i will get it .... how do i connect it to the my wirless internet how ????and i know how do i open the network on the ps3 i just want to know how to make the internet wokring how to do it ...............thx for your help guyz