public function admin_add($idCustomer = null) {
        if ($this->request->is('post')) {
            $this->ProductDetail->create();
            if ($this->ProductDetail->save($this->request->data)) {
                $this->Session->setFlash(
                    __('The %s has been saved', __('product detail')),
                    'alert',
                    array(
                        'plugin' => 'TwitterBootstrap',
                        'class' => 'alert-success'
                    )
                );

                pr($this->request->data);

                //$id = $this->request->data['ProductDetail']['customer_id'];
                //pr($id);
                //die();
                $this->redirect(array('controller'=>'customers','action' => 'view',$id));
            } else {
                $this->Session->setFlash(
                    __('The %s could not be saved. Please, try again.', __('product detail')),
                    'alert',
                    array(
                        'plugin' => 'TwitterBootstrap',
                        'class' => 'alert-error'
                    )
                );
            }
        }

        $customers = $this->ProductDetail->Customer->find('list');

        if($idCustomer) {
            $customers = $this->ProductDetail->Customer->find(
                'list',
                array(
                    'conditions' => array(
                        'Customer.id' => $idCustomer
                    )
                )
            );
        }

        $products = $this->ProductDetail->Product->find('list');
        $this->set(compact('customers', 'products'));
    }