// AJAX XmlHTTPRequet object
// --------------------------------------------------------------------
var req = createXMLHttpRequest();
function createXMLHttpRequest() {
	var ua;
	if(window.XMLHttpRequest) {
	try {
		ua = new XMLHttpRequest();
	} catch(e) {
		ua = false;
	}
	} else if(window.ActiveXObject) {
		try {
			ua = new ActiveXObject("Microsoft.XMLHTTP");
		} catch(e) {
		ua = false;
 	}
	}
	return ua;
}