# File lib/action_view/helpers/date_helper.rb, line 160
      def select_day(date, options = {})
        day_options = []

        1.upto(31) do |day|
          day_options << ((date && (date.kind_of?(Fixnum) ? date : date.day) == day) ?
            %(<option value="#{day}" selected="selected">#{day}</option>\n) :
            %(<option value="#{day}">#{day}</option>\n)
          )
        end

        select_html(options[:field_name] || 'day', day_options, options[:prefix], options[:include_blank], options[:discard_type])
      end