Can anybody give me advice on how to make it work?
<html>
<head>
<script src="../js/jquery-1.9.1.js"></script>
</head>
<body>
<div id="divpage"></div>
<script>
$("#divpage").load("http://localhost:3000/annotation/testuser/demo.html");
alert( "Load was performed." );
</script>
</body>
</html>