hey, my friend bought a macbook pro 13" in US. can the adapter be used in malaysia?? coz the voltage of house plug in US and Malaysia different (110V in US while 240V in Malaysia). he told he that he feel some electric shock when he use it in Malaysia so he decided not to use it anymore. before spending money to get a Malaysia adapter, just want to ask whether or not US adapter is safe to use in Malaysia or not despite the different in voltage