<html> <head> <script type="text/javascript"> var xmlhttp; function loadXMLDoc(url) { xmlhttp=null; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=state_Change; xmlhttp.open("GET",url,true); xmlhttp.send(null); } function state_Change() { if (xmlhttp.readyState==4) {// 4 = "loaded" if (xmlhttp.status==200) {// 200 = "OK" document.getElementById('T1').innerHTML=xmlhttp.responseText; } else { alert("Problem retrieving data:" + xmlhttp.statusText); } } } </script> </head> <body onload="loadXMLDoc('test_xmlhttp.txt')"> <div id="T1" style="border:1px solid black;width:300;padding:5"></div><br /> <button onclick="loadXMLDoc('test_xmlhttp2.txt')">Click</button> </body> </html>