Bukkit

ladders {
    Miner {
        Miner {
            rank = '4'   # Must be unique to the ladder.
            reject = 'Mage, Elven, Knight' # Seperate groups with a comma.
            Mining = '1'
        }
        Archeologist {
            rank = '3'   # Must be unique to the ladder.
            and {   # require all of these to be promoted to this group.
                power = '600'
                mining = '300'
                repair = '10'
                excavation = '150'
            }
        }
        Excavationist {
            rank = '2'
            and {
                power = '1200'
                mining = '400'
                repair = '50'
                excavation = '300'
            }
        }
        Dwarven-Master {
            rank = '1'   # Must be unique to the ladder.
            and {
                power = '2000'
                mining = '750'
                repair = '250'
                excavation = '500'
            }
        }
    }
}