function GetXmlHttpObject() {
	var xmlHttp = null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp = new XMLHttpRequest();
	} catch (e) {
		// Internet Explorer
		try {
			xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {

			try {
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {

			}
		}
	}

	return xmlHttp;
}