var req;
function ajax(urlInfo) {
	// branch for native XMLHttpRequest object
	if (window.XMLHttpRequest) {
		req = new XMLHttpRequest();
		req.onreadystatechange = processReqChange;
		req.open("get", urlInfo, true);
		req.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8'); 
		req.send(null);
	// branch for IE/Windows ActiveX version
	} else if (window.ActiveXObject) {
		req = new ActiveXObject("Microsoft.XMLHTTP");
		if (req) {
			req.onreadystatechange = processReqChange;
			req.open("post", urlInfo, true);
			req.setRequestHeader('Content-Type','application/x-www-form-urlencoded; charset=UTF-8'); 
			req.send();
		}
	}else{
		window.location(urlInfo);	
	}
}

function processReqChange() 
{
	if (req.readyState == 1){
		//loader("Retrieving Data...");
	}
	// only if req shows "complete"
	if (req.readyState == 4) {
		var textToShow = req.responseText;
		document.getElementById('questions').innerHTML = textToShow;
		if (req.status == 200) {
		//
		} else {
			alert("There was a problem retrieving the XML data" + req.statusText);
		}
	}
}