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