function __construct()
 {
     parent::__construct(MY_Controller::SYSTEM_APP);
     $this->browser_message = Helper_App_Browser::obtener_browser();
     if (!Helper_App_Session::isLogin()) {
         $this->redirect('app/dashboard');
         return;
     }
 }
 static function layout($view, $arrParams = array(), $arrParamsLayout = array(), $useIframe = FALSE)
 {
     $MY =& MY_Controller::get_instance();
     $resources_path = 'resources/assets/app';
     $controller_current = $MY->uri->rsegment(1);
     $function_current = $MY->uri->rsegment(2);
     $content = '';
     if (is_array($view)) {
         foreach ($view as $v) {
             $content .= $MY->load->view($v, $arrParams, true);
         }
     } else {
         $content = $MY->load->view($view, $arrParams, true);
     }
     $browser_message = Helper_App_Browser::obtener_browser();
     $arrParamsLayoutDefault = array('useIframe' => $useIframe, 'resources_path' => $resources_path, 'content' => $content, 'controller_current' => $controller_current, 'function_current' => $function_current, 'navegador' => $browser_message);
     $MY->load->view('public/html/layout/layout', array_merge($arrParamsLayoutDefault, $arrParamsLayout));
 }