    # File lib/action_view/helpers/form_options_helper.rb, line 307
          def time_zone_options_for_select(selected = nil, priority_zones = nil, model = TimeZone)
            zone_options = ""

            zones = model.all
            convert_zones = lambda { |list| list.map { |z| [ z.to_s, z.name ] } }

            if priority_zones
              zone_options += options_for_select(convert_zones[priority_zones], selected)
              zone_options += "<option value=\"\" disabled=\"disabled\">-------------</option>\n"

              zones = zones.reject { |z| priority_zones.include?( z ) }
            end

            zone_options += options_for_select(convert_zones[zones], selected)
            zone_options
          end