public function getHtml() { $hidden = new Varien_Data_Form_Element_Hidden($this->getData()); $hidden->setData('label', null); $hidden->setForm($this->getForm()); $this->setId($this->getId() . '_query'); $this->setName($this->getId()); $this->setValue($this->_value); return $hidden->getHtml() . parent::getHtml() . $this->_getJs(); }