public function doSection($section = ACCOUNT_DETAILS, $subSection = false)
 {
     if ($section == ACCOUNT_DETAILS) {
         return AccountController::saveDetails();
     } else {
         if ($section == ACCOUNT_IMPORT_EXPORT) {
             return AccountController::importFile();
         } else {
             if ($section == ACCOUNT_MAP) {
                 return AccountController::mapFile();
             } else {
                 if ($section == ACCOUNT_NOTIFICATIONS) {
                     return AccountController::saveNotifications();
                 } else {
                     if ($section == ACCOUNT_EXPORT) {
                         return AccountController::export();
                     } else {
                         if ($section == ACCOUNT_ADVANCED_SETTINGS) {
                             if ($subSection == ACCOUNT_CUSTOM_FIELDS) {
                                 return AccountController::saveCustomFields();
                             } else {
                                 if ($subSection == ACCOUNT_INVOICE_DESIGN) {
                                     return AccountController::saveInvoiceDesign();
                                 }
                             }
                         } else {
                             if ($section == ACCOUNT_PRODUCTS) {
                                 return AccountController::saveProducts();
                             }
                         }
                     }
                 }
             }
         }
     }
 }