public function validateAction()
{
$this->_helper->viewRenderer->setNoRender();
$this->_helper->getHelper('layout')->disableLayout();
$form = new Processes_Form_Processpos();
$form->uom->addMultiOptions($this->_helper->Uom->getUoms());
$form->ordering->addMultiOptions($this->getOrdering($processid));
$form->shippingmethod->addMultiOptions($this->_helper->ShippingMethod->getShippingMethods($this->_user['clientid']));
$data = $this->getRequest()->getPost();
$form->{$data}['element']->isValid($data[$data['element']]);
$json = $form->getMessages();
header('Content-type: application/json');
echo Zend_Json::encode($json);
}
