public function ajaxWastagesComparisonAction()
 {
     $province = $this->_request->getParam("province");
     $district = $this->_request->getParam("district");
     $date = $this->_request->getParam("date");
     $item = $this->_request->getParam("item");
     $option = $this->_request->getParam("allowed");
     $obj_product = new Model_ItemPackSizes();
     $prod_result = $obj_product->getProductById($item);
     $allowed = $prod_result->getWastageRateAllowed();
     $wh_data = new Model_WarehousesData();
     $wh_data->form_values = array('prov_id' => $province, 'dist_id' => $district, 'date' => $date, 'item' => $item, 'option' => $option, 'allowed' => $allowed);
     $xmlstore = $wh_data->wastagesComparison();
     $this->view->xmlstore = $xmlstore;
 }