error on XMLHttprequest

[ronty]

var obj;

function ProcessXML(url) {
// native object

if (window.XMLHttprequest) {
// obtain new object
obj = new XMLHttpRequest();
// set the callback function
obj.onreadystatechange = processChange;
// we will do a GET with the url; "true" for asynch
obj.open("GET", url, true);
// null for GET with native object
obj.send(null);
// IE/Windows ActiveX object
} else if (window.ActiveXObject) {
obj = new ActiveXObject("Microsoft.XMLHTTP");
if (obj) {
obj.onreadystatechange = processChange;
obj.open("GET", url, true);
// don't send null for ActiveX
obj.send();
}
} else {
alert("Your browser does not support AJAX");
}
}
Why its displaying a error on XMLHttprequest

Sorry Find the error XMLHttprequest should be XMLHttpRequest