public function init()
    {
        parent::init();

        if ($this->_layout) {
            $this->getHelper('layout')->setLayout($this->_layout);
        }
    }
public function init()
    {
        parent::init();

        if ($this->_layout) {
            $this->getHelper('layout')->setLayout($this->_layout);
        }
    }
Initialize object.