// JavaScript Document
var request = null;

function createRequest() {
	try {
		request = new XMLHttpRequest();
	} catch (trymicrosoft) {
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (othermicrosoft) {
			try {
				request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
				request = NULL;
			}
		}
	}
	if (request==null)
		alert("您的瀏覽器不支援 HTTPRequest");
}

function createRequest2() {
	var request=null;
	try {
		request = new XMLHttpRequest();
	} catch (trymicrosoft) {
		try {
			request = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (othermicrosoft) {
			try {
				request = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (failed) {
				request = NULL;
			}
		}
	}
	if (request==null)
		alert("您的瀏覽器不支援 HTTPRequest");
	else
		return request;
}