Dave, theres already a guy here in Sweden who have done that!

http://www.fightingrobots.co.uk/discus/messages/25/551.html#POST2074http://www.fightingrobots.co.uk/disc....html#POST2074
http://www.fightingrobots.co.uk/discus/messages/26/220.html#POST2075http://www.fightingrobots.co.uk/disc....html#POST2075
http://www.fightingrobots.co.uk/discus/messages/20/461.html#POST2076http://www.fightingrobots.co.uk/disc....html#POST2076
http://www.fightingrobots.co.uk/discus/messages/10/941.html#POST2077http://www.fightingrobots.co.uk/disc....html#POST2077