Although they have been revealed already, I thought some of you might want to know the Electivire & Magmortar codes.To enter them, edit your profile and go to your self-introduction, where you normally enter your details at the start of a battle and enter these codes :
NTSC codes
(for America)
For Electivire, enter BA16-X4SH-E2AT 
For Magmortar, enter B416-X4HT-VTWF 
PAL codes
(for England)
For Electivire, enter tko3-9jwp-34kl
For Magmortar, enter jl49-05kn-odnv
Once they are saved, the lady at the counter will tell you that you have unlocked the Gold or Silver pass and that you have unlocked the shocking or heated gift, which you can transfer onto your DS.
Each will have a magnet or charcoal as an item, respectively, and will know 4 extremely hard to get attacks.
They are as follows...
Electivire adamant nature
Thunderpunch, Ice Punch, Cross Chop and Earthquake.
Magmortar modest nature
Flamethrower, Psychic, Hyper Beam and Solar Beam.