module UserHelper

  def get_perm(role_id, user_id)
    name = "perm[#{user_id}-#{role_id}]"
    perm = Permission.find_by_role_id_and_user_id(role_id, user_id)
    color = "#f66"
    unless perm.nil?
      color = "#9f9"
      checked = 'checked=\"checked\"'
    end
    return "<span style=\"background: #{color};\"><input name=\"#{name}\" 
                  type=\"checkbox\" #{checked}></span>"
  end  
end