refs 4673, 4672 modified Cancan for purchase request and question
refs 4673, 4672 modified Cancan for purchase request and question

MiraitSystems/enju_trunk,MiraitSystems/enju_trunk,MiraitSystems/enju_trunk,MiraitSystems/enju_trunk,MiraitSystems/enju_trunk,MiraitSystems/enju_trunk