Get Products Items in Add to cart Message

if (!$this->_getSession()->getNoCartRedirect(true)) {
                if (!$cart->getQuote()->getHasError()) {                 
               
    $messagetext = $this->__('%s was added to your shopping cart.', Mage::helper('core')->escapeHtml($product->getName()));
                    $message = '<div id="light" class="white_content">';

                    $message .='<a href ="javascript:void(0)" onclick ="hidepopup()">CloseAfter</a>';
                    $quote = Mage::getSingleton('checkout/session')->getQuote();
                    $cartItems = $quote->getAllVisibleItems();
                    foreach($cartItems as $item)
                     {
                          $_proId = $item->getProduct()->getId();
                          $_product = Mage::getModel('catalog/product')->load($_proId);
                          $image = Mage::helper('catalog/image')->init($item->getProduct(),'thumbnail');
                          $message .= '<img src="'.$image.'" height="100" width="100"></img>';
                          $message .= $item->getName().'</br>';
                          $message .= $_product->getWeightnew().'</br>';
                          $message .= $item->getPrice().'</br>';
                     $message .='Subtotal'.Mage::helper('checkout')->getQuote()->getSubtotal().'<br>';
                         
                     }

                    $message .= '</div>';
                    $message .= '<div id="fade" class="black_overlay"></div>';
                      $this->_getSession()->addSuccess($message);
                }
                $this->_goBack();
            }