function Vistor(level) {
    var referrer = document.referrer;
    var URL = document.URL;
    UdowsAjax({
        type: "post",
        url: "/udows/udows.ashx",
        data: "ob=vistor&referrer=" + referrer + "&URL=" + URL + "&level=" + level,
        dataType: "json",
        success: function (result) {

        }
    });
}