$(function() {
            adjustLoginBar();
        });

        function changelang(lang) {
            $.cookie("lang", lang, { path: "/" });
            $.cookie("newlang", lang=="zh-CN"?"Z":"E", { path: "/" });
            window.location.reload();
        }
        function adjustLoginBar() {
            if ($.cookie("uid") != null && $.cookie("uid") != "") {
                $("#divLogin").addClass("invisible");
                $("#divWelcome").removeClass("invisible");
                $("#lblUserName").text($.cookie("uid"));
            }
            else {
                $("#divLogin").removeClass("invisible");
                $("#divWelcome").addClass("invisible");
            }
            
        }

        function logoffSubmit() {
            $.post("/User/Login.aspx", {},
                function(retCode) {
                    if (parseInt(retCode) == 0) {
                        $.cookie("uid", null, { path: "/" });
                        adjustLoginBar();
                        window.location.reload();
                    }
                }, "text");
        }