WP menus

//WHAT I GET
<ul id="nav" class="fr">
 <li class="page_item page-item-15 current_page_item"><a href="#">   <div>HOME</a></li>
 
<li class="page_item page-item-17"><a href="#"><div>ARTICLES</a>
 
<ul class='children'>
  <li class="page_item page-item-27"><a href="#"><div>Testing 1</a></li>
  <li class="page_item page-item-29"><a href="#"><div>Testing 2</a></li>
</ul>
</li>
 
<li class="page_item page-item-19"><a href="#"><div>NEWS</a></li>
<li class="page_item page-item-21"><a href="#"><div>ABOUT US</a></li>
<li class="page_item page-item-23"><a href="#"><div>CONTACT</a></li>
</ul>
 
//WHAT I WANT
 
<ul id="nav" class="fr">
 <li class="page_item page-item-15 current_page_item"><div><div></div></div><a href="#">   <div>HOME</a></li>
 
<li class="page_item page-item-17"><div><div></div></div><a href="#">ARTICLES</a>
 
<ul class='children'>
  <li class="page_item page-item-27"><a href="#">Testing 1</a></li>
  <li class="page_item page-item-29"><a href="#">Testing 2</a></li>
</ul>
</li>
 
<li class="page_item page-item-19"><div><div></div></div><a href="#">NEWS</a></li>
<li class="page_item page-item-21"><div><div></div></div><a href="#">ABOUT US</a></li>
<li class="page_item page-item-23"><div><div></div></div><a href="#">CONTACT</a></li>
</ul>