<script type="text/javascript">
var xmlHttp;
function loadXMLDoc(url)
{
alert("hello");
if(window.XMLHttpRequest)
{
xmlHttp = new XMLHttpRequest();
alert("one");
}
if(xmlHttp != null)
{
alert("two");
xmlHttp.onreadystatechange = StateChange;
xmlHttp.open("POST",url,true);
xmlHttp.send(null);
}
}
function StateChange()
{
if(xmlHttp.readyState == 4)
{
if(xmlHttp.status == 200)
{
document.getElementById("body").innerHTML = xmlHttp.responseText;
}
}
}
</script>
</head>
<body>
<div id="body"></div>
<button type="button" onClick="loadXMLDoc('./one.txt')">
Click
</button>
</body>