<head>
<title>Ajax at work</title>
<script language = "javascript">
function getData(dataSource, divID)
{
var XMLHttpRequestObject = false;
if (window.XMLHttpRequest) {
XMLHttpRequestObject = new XMLHttpRequest();
} else if (window.ActiveXObject) {
XMLHttpRequestObject = new
ActiveXObject("Microsoft.XMLHTTP");
}
if(XMLHttpRequestObject) {
var obj = document.getElementById("targetDiv");
XMLHttpRequestObject.open("GET", dataSource);
XMLHttpRequestObject.onreadystatechange = function()
{
if (XMLHttpRequestObject.readyState == 4 &&
XMLHttpRequestObject.status == 200) {
obj.style.color = "#FF0000";
obj.innerHTML = XMLHttpRequestObject.responseText;
setTimeout(dimmer, 500);
}
}
XMLHttpRequestObject.send(null);
}
}
function dimmer()
{
var obj = document.getElementById("targetDiv");
obj.style.color = "#000000";
}
</script>
</head>
<body>
<H1>Fetching data with Ajax</H1>
<form>
<input type = "button" value = "Display Message"
onclick = "getData('data.txt', 'targetDiv')">
</form>
<div id="targetDiv">
<p>The fetched data will go here.</p>
</div>
</body>
</html>
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