function createAJAXRequest(retrievalURL, responseFunction) {
	var ajaxreq;
	if (window.XMLHttpRequest) {
		ajaxReq = new XMLHttpRequest();
	} else if (window.ActiveXObject) {
		ajaxReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	ajaxReq.open("GET", retrievalURL);
	
	ajaxReq.onreadystatechange = eval(responseFunction);
	
	return ajaxReq
}