protected function _getElementHtml(Varien_Data_Form_Element_Abstract $element)
{
$html = '';
$value = explode(',', $element->getValue());
$form = $element->getForm();
$nameprefix = $element->getName();
$element->setValues(array('all' => $this->__('All Days'), 'selected' => $this->__('Selected Days')))->setOnchange('$(\'gomage-delivverydate-specdays\').style.display = (this.value == \'selected\' ? \'block\' : \'none\')')->setName($nameprefix . '[]');
$mode_value = array_shift($value);
if (count($value)) {
$element->setValue($mode_value);
}
$html .= $element->getElementHtml();
$element = new Varien_Data_Form_Element_Multiselect();
$element->setForm($form);
$element->setId('gomage-delivverydate-specdays');
$element->setClass('select');
$element->setStyle('margin-top:10px;height:160px;' . ($mode_value != 'selected' ? 'display:none;' : ''));
$element->setName($nameprefix . '[]');
$element->setValues($this->toOptionArray());
$element->setValue($value);
$html .= $element->getElementHtml();
return $html;
}
