# File lib/facebook_desktop_session.rb, line 89
    def activate_with_previous_session(key, secret)
      # set the session key and secret
      @session_key = key
      @session_secret = secret
    
      # determine the current user's id
      result = remote_call("users.getLoggedInUser")
      @session_user_id = result.at("users_getLoggedInUser_response").inner_html
    end