# File lib/merb_helpers/form_helpers.rb, line 242
      def checkbox_control(col, attrs = {}, hidden_attrs={})
        errorify_field(attrs, col)
        method_name = @_obj.respond_to?(col) ? col : "#{col}?""#{col}?"
        attrs.merge!(:checked => "checked") if col_val_to_bool(@_obj.send(method_name))
        attrs.merge!(:id => control_id(col))
        attrs = {:name => control_name(col), :value => control_value(method_name)}.merge(attrs)
        checkbox_field(attrs, hidden_attrs)
      end