// creating xmlHttpObject
function my_xmlHttpObject() {
	var xml_http_object;
	try  {
		xml_http_object = new XMLHttpRequest();	
	} catch (e) {
		try {
			//create object if using Internet Explorer
			xml_http_object = new ActiveXObject("Msxml2.XMLHTTP");
		}catch (e) {
			try {
				//create object if using mozilla or netscape
				xml_http_object = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {
				//alert ("ERROR: Your Browser doesnt support AJAX");
				return false;
			}
			
		}
	}
	return xml_http_object;
}