function getHTTPObject() {
	var xmlhttp = false;
	if (window.XMLHttpRequest) {
		xmlhttp = new XMLHttpRequest();
		if (xmlhttp.overrideMimeType) {
			xmlhttp.overrideMimeType("text/xml");
		}
	} else {
		try {
			xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			try {
				xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
			}
			catch (E) {
				xmlhttp = false;
			}
		}
	}
	return xmlhttp;
}