select_year

# File actionpack/lib/action_view/helpers/date_helper.rb, line 708
      def select_year
        if !@datetime || @datetime == 0
          val = ''
          middle_year = Date.today.year
        else
          val = middle_year = year
        end

        if @options[:use_hidden] || @options[:discard_year]
          build_hidden(:year, val)
        else
          options                 = {}
          options[:start]         = @options[:start_year] || middle_year - 5
          options[:end]           = @options[:end_year] || middle_year + 5
          options[:step]          = options[:start] < options[:end] ? 1 : -1
          options[:leading_zeros] = false

          build_options_and_select(:year, val, options)
        end
      end