模拟登陆WINDOWS认证的sharepoint页面

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Untitled Page</title>
    <script language="javascript" type="text/javascript">
        function Button1_onclick() {
            var strName = "dann"; //登陆的名字建议使用：域名字
            var strPWD = "user@2007"; //登陆密码
            var location = 'http://danntest/Pages/Default.aspx'; //首页
            var auth = new ActiveXObject('msxml2.xmlhttp');

            auth.open('post', location, false, strName, strPWD);
            auth.send();

            switch (auth.status) {
                case 200: window.location.href = 'http://danntest/Pages/Default.aspx'; // 登陆页面
                    break;
                case 401: alert('帐号或密码错误！');
                    break;
                default: alert('抱歉，请再试一次！');
            }
        }
    </script>
</head>
<body>
    <input id="Button1" onclick="Button1_onclick()" type="button" value="button" />
</body>
</html>