    # File lib/action_view/helpers/date_helper.rb, line 170
          def select_second(datetime, options = {})
            val = datetime ? (datetime.kind_of?(Fixnum) ? datetime : datetime.sec) : ''
            if options[:use_hidden]
              options[:include_seconds] ? hidden_html(options[:field_name] || 'second', val, options) : ''
            else
              second_options = []
              0.upto(59) do |second|
                second_options << ((val == second) ?
                  %(<option value="#{leading_zero_on_single_digits(second)}" selected="selected">#{leading_zero_on_single_digits(second)}</option>\n) :
                  %(<option value="#{leading_zero_on_single_digits(second)}">#{leading_zero_on_single_digits(second)}</option>\n)
                )
              end
              select_html(options[:field_name] || 'second', second_options, options)
            end
          end