class Padrino::Helpers::FormBuilder::AbstractFormBuilder

def check_box(field, options={})

f.check_box :remember_me, :value => 'true', :uncheck_value => '0' 
def check_box(field, options={})
  unchecked_value = options.delete(:uncheck_value) || '0'
  options.reverse_merge!(:id => field_id(field), :value => '1')
  options.merge!(:checked => true) if values_matches_field?(field, options[:value])
  html = hidden_field(field, :value => unchecked_value, :id => nil)
  html << @template.check_box_tag(field_name(field), options)
end