title: Magento popup notification after submit newsletter
body: <p>Actually how to show magento success or error message notification after i submit the newsletter in lightbox ?</p>
  
  <pre><code>&lt;block type="core/messages" name="global_messages" as="global_messages"/&gt;
  
  &lt;div id="messages_product_view"&gt;&lt;?php echo $this-&gt;getMessagesBlock()-&gt;getGroupedHtml() ?&gt;&lt;/div&gt;
  </code></pre>