module ActionView::Helpers::DateHelper

def select_second(datetime, options = {}, html_options = {})

select_second(14, prompt: 'Choose seconds')
# generic prompt.
# Generates a select field for seconds with a custom prompt. Use prompt: true for a

select_second(my_time, field_name: 'interval')
# that is named 'interval' rather than 'second'.
# Generates a select field for seconds that defaults to the seconds for the time in my_time

select_second(33)
# Generates a select field for seconds that defaults to the number given.

select_second(my_time)
# Generates a select field for seconds that defaults to the seconds for the time in my_time.

my_time = Time.now + 16.seconds

Override the field name using the :field_name option, 'second' by default.
The datetime can be either a +Time+ or +DateTime+ object or an integer.
Returns a select tag with options for each of the seconds 0 through 59 with the current second selected. 
def select_second(datetime, options = {}, html_options = {})
  DateTimeSelector.new(datetime, options, html_options).select_second
end