# File lib/anemone/storage.rb, line 21
    def self.MongoDB(mongo_db = nil, collection_name = 'pages')
      require 'anemone/storage/mongodb'
      mongo_db ||= Mongo::Connection.new.db('anemone')
      raise "First argument must be an instance of Mongo::DB" unless mongo_db.is_a?(Mongo::DB)
      self::MongoDB.new(mongo_db, collection_name)
    end