Получить из iframe данные

<iframe name="fXDc93d7" frameborder="0" src="http://vk.com/widget_auth.php?app=11121&amp;width=100%&amp;_ver=1&amp;url=http%3A%2F%2Fru.lookatcode.com%2Fshow%2F8904888515826315%2F&amp;1493ce5396a" width="100%" height="80" scrolling="no" id="vkwidget1" style="overflow: hidden; height: 93px;"></iframe>

<div id="main" class="auth_main_div">
  <div class="auth_widget_head" style="margin-bottom: 0px;"><div class="auth_head_icon fl_r">
      <a href="/dev/Auth"><div class="auth_logo"></div></a>
    </div><span>Авторизация</span></div>
  <div id="auth_user_block" class="userDonation" style="padding: 4px 8px 8px 8px; background: #FFFFFF;">
<div class="auth_user_pic">
<img src="/images/camera_50.gif">
</div>
<div class="auth_user_info">
 <a href="https://vk.com/id274270933" class="name" target="_blank">Тесто Тестри</a>
 <a class="logout" href="javascript: logout();" style="display: inline;">сменить пользователя</a>
</div>
<br class="clear">
</div>
  <div class="auth_block">
    <div id="auth_button" class="flat_button button_wide" onclick="window.authBtnClick();">Войти через ВКонтакте</div>
  </div>
  
  <script type="text/javascript">
    
  </script>
</div>