extranet/library/Application/Controller/Plugin/Menu.php

<?php
class Application_Controller_Plugin_Menu extends Zend_Controller_Plugin_Abstract
{
    /**
     * Créer le menu en fonction des besoins et des paramètres en entrée
     * @param Zend_Controller_Request_Abstract $request
     */
	public function postDispatch(Zend_Controller_Request_Abstract $request)
	{
		$siret = $request->getParam('siret', null);
	    $id = $request->getParam('id', null);
		$layout = Zend_Layout::getMVCInstance();
	    if ($layout->isEnabled()) {
	    	require_once 'Scores/Menu.php';
    		$computeMenu = new Menu($siret, $id);
			$menu = $computeMenu->getMenu();
			$view = $layout->getView();
			$view->navigation($menu);
	    }
	}
}