unbound_check_box (Merb::Helpers::Form::Builder::Base)

    # File lib/merb-helpers/form/builder.rb, line 50
        def unbound_check_box(attrs)
          update_unbound_controls(attrs, "checkbox")
          if attrs.delete(:boolean)
            on, off = attrs.delete(:on), attrs.delete(:off)
            unbound_hidden_field(:name => attrs[:name], :value => off) <<
              self_closing_tag(:input, {:type => "checkbox", :value => on}.merge(attrs))
          else
            self_closing_tag(:input, {:type => "checkbox"}.merge(attrs))
          end
        end