public function renderFormElement() { $elm = new Zend_Form_Element_Multiselect($this->getName(), array('label' => $this->getLabel() . ':')); $elm->setDescription($this->getDescription()); $elm->setMultiOptions($this->getOptions()); $elm->setValue($this->getValue()); $elm->setRequired($this->getRequired()); $elm->setAttrib('style', 'width:300px;height:100px'); return $elm; }