Programming a fob key

Hi can anyone out there help me programme a new fob key for my landrover Disco series 2 2001 as the microswitch that controls the open doors is broken only the close switch is working and as you can imagine my nabours are not very happy when i unlock my disco with the key only as the alarm goes till i put the key into the ignition to start the car
I bought two working keys from Ebay but now ned programming
Can anyone out there please advise me
Best Regards
Chris
Easycd