def select_hour(datetime, options = {}, html_options = {})
val = datetime ? (datetime.kind_of?(Fixnum) ? datetime : datetime.hour) : ''
if options[:use_hidden]
hidden_html(options[:field_name] || 'hour', val, options)
else
hour_options = []
0.upto(23) do |hour|
hour_options << ((val == hour) ?
content_tag(:option, leading_zero_on_single_digits(hour), :value => leading_zero_on_single_digits(hour), :selected => "selected") :
content_tag(:option, leading_zero_on_single_digits(hour), :value => leading_zero_on_single_digits(hour))
)
hour_options << "\n"
end
select_html(options[:field_name] || 'hour', hour_options.join, options, html_options)
end
end