<!DOCTYPE html>
<html lang='es'>
<head>
<title></title>
<meta name='description=' content=''>
<meta charset='utf-8'>
<link src='style.css'></link>
<script src='jquery-1.7.2.min.js'></script>
<script>
$(document).ready(function() {
$('#dos').click(function() {
$('#contenedor').load('demo.html');
});
});
</script>
<!--[if lt IE 9]>
<script src='http://html5shim.googlecode.com/svn/trunk/html5.js'>
</script>
<![endif]-->
</head>
<body>
<header>
<h1></h1>
</header>
<section>
<nav>
<input id='dos' type='button' value='Cargar contenido secundario'>
<!--<span id='dos'>Cargar contenido secundario</span>-->
</nav>
<article id='contenedor'>Contenido inicial</article>
</section>
<footer>
<aside><!--botones sociales--></aside>
</footer>
</body>
</html>