function ajaxObject() {
	var xmlHttp=null;
	try { // Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	} catch (e) {
		try { // Internet Explorer 6+
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try { // Internet Explorer 5.5+
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
	return xmlHttp;
}