public function addMouseOut($code, $controlIds = array(), $priority = 5, $inline = false) {
        $mouseOut = new MouseOut();
        $mouseOut->setCode($code)
                 ->setControlIds($controlIds)
                 ->setPriority($priority)
                 ->setInline($inline);
        $this->builder->addEvent($mouseOut);
        return $this;
    }