<script type="text/javascript">
var auto_refresh = setInterval(
   function () {
     $('#test').load('updates.php').fadeIn("slow");
   }, 10000); // refresh every 10000 milliseconds
</script>

<div class="container" id="test">
  <?php include("updates.php");?>
</div>

GET http://localhost:8888/updates.php 500 (Internal Server Error)