function getXMLHTTPRequest() {
	try {
		req = new XMLHttpRequest();
	} catch(err1) {
		try {
			req = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (err2) {
			try {
				req = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (err3) {
				req = false;
			}
		}
	}
	
	return req;
}


function useHttpResponse() {
	if (http.readyState == 4) {
		if (http.status == 200) {
			var myText = http.responseText;
		} else {
			var myText = "An error occurred: " + http.statusText;
		}
		document.getElementById(myPageElement).innerHTML = myText;
	} else {
		document.getElementById(myPageElement).innerHTML = "Waiting for server response ...";
	}
}