public function build($itemName = '', $itemValue = '')
    {
        // Create hidden checkbox
        $fi = new FormInput($this->getHTMLDocument(), 'checkbox', $itemName, $id = '', $class = 'swt_chk', $itemValue, $required = false);
        $this->append($fi);

        // Set checked value for checkbox
        if ($this->active) {
            $fi->attr('checked', 'checked');
        }

        // Add switch
        $switch = $this->getHTMLDocument()->create('div', '', '', 'switch');
        $this->append($switch);

        return $this;
    }