Some updates for JAL Mileage Bank that will become effective come Apr.2009.
A big devaluation from 2008 and even more complexity!

Upgrade domestic / continental / international (one way / one class)

Diamond
40 upgrade points + 2 upgrade points per 10K fly on points (FOP) over 100K FOP

JGC Premier
30 upgrade points + 2 upgrade points per 10K FOP over 80K FOP

*Upgrade points required for:
domestic : 2 points
international : 5 to 12 points depending on class and route