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