function getXMLHttpRequestObject() {
	var ajax = false;
	
	if (window.XMLHttpRequest) {
		ajax = new XMLHttpRequest();
	} else {
		try {
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e) {
			try {
				ajax = new ActiveXObject("Microsoft.XMLHTTP");
			} catch(e) {};
		}
	}
	return ajax;
}