//Gets the browser specific XmlHttpRequest Object
function getXmlHttpRequestObject() {
	if (window.XMLHttpRequest) {
		return new XMLHttpRequest();
	} else if(window.ActiveXObject) {
		return new ActiveXObject("Microsoft.XMLHTTP");
	} else {
		alert("Your Browser Does Not Support This Feature.");
	}
}

//Our XmlHttpRequest object to get the auto suggest
var unloadReq = getXmlHttpRequestObject();


//Starts the AJAX request.
function unloadRequest() {
    // var vURL = window.location; 
    // var evt = window.event;
    unloadReq.open("GET", 'unloadRequest.php?noChoice=1', true);
    unloadReq.send(null);
}