Untitled

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js" >
</script>
<script type="text/javascript">
function apriLink(url)
{
 $('#mostraPagina').load(url);
}
</script>
</head>
<body>
<div id="mostraPagina"></div>
<a href="javascript:apriLink('a.html')">Avvio audio con Ajax</a><br>
<input type="button" value="Esegui esempio" onClick="apriLink('a.html')" />
<h1>test</h1>
</body>
</html>