<script type="text/javascript"> function loadXMLDoc() { var xmlhttp = new XMLHttpRequest(); xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == XMLHttpRequest.DONE) { // XMLHttpRequest.DONE == 4 if (xmlhttp.status == 200) { document.getElementById("myDiv").innerHTML = xmlhttp.responseText; } else if (xmlhttp.status == 400) { alert('There was an error 400'); } else { alert('something else other than 200 was returned'); } } }; xmlhttp.open("GET", "ajax_info.txt", true); xmlhttp.send(); } </script>