The trick is the "iwconfig" command
You'll want a set of commands like (assuming your wifi card is eth1)
You might need to tweak the commands to your needs but this should do the trick. If you get stuck check out "man iwconfig"
You'll want a set of commands like (assuming your wifi card is eth1)
Code:
iwconfig eth1
iwconfig eth1 essid (your network id)
iwconfig eth1 key (your wep key)
dhclient eth1