Thanks for both your help. I have click link to link throughout the web and found it.
James you were pretty close.
The link and details are below for future reference.
FORD Focus (Radio 3 Button) - Key Remote Programming
1. Switch Ignition On/Off (II/0) 4 times within 6 secondsuntil a sound is made.
2. Press any button on Remote until a sound is made.
3. To program additional Remotes, repeat after 2 seconds after the sound.
4. Turn Ignition On/Off to exit.
5. A maximum of 4 remotes can be programmed.
And to program the key to start the car follow intrusions in the Ford owners manuel