function load() {
    $.ajax({
        type: "POST",
        url: "/ajax/iflogin.aspx",
        data: "math=" + Math.random(),
        success: function(response) {
            if (response != "") {
                $("#before").css("display", "none");
                $("#after").css("display", "block");
                $("#useremail").html(response);
            }
            else {
                $("#before").css("display", "block");
                $("#after").css("display", "none");
            }
        }
    });
}

function btnlogin() {
    var name = $("#txtname").val();
    var pwd = $("#txtpwd").val();
    if (name != "" && pwd != "") {
        $.ajax({
            type: "POST",
            url: "/ajax/ifloginok.aspx",
            data: "math=" + Math.random() + "&name=" + name + "&pwd=" + pwd,
            success: function(loginok) {
                if (loginok == "0") {
                    alert("登录失败，请检查会员名或密码！");
                    $("#txtpwd").val("");
                }
                else {
                    $("#useremail").html(loginok);
                    $("#before").css("display", "none");
                    $("#after").css("display", "block");
                }
            }
        });
    }
}

function outlogin() {
    $.ajax({
        type: "POST",
        url: "/ajax/ifloginout.aspx",
        data: "math=" + Math.random(),
        success: function(out) {
            if (out == "0") {
                $("#useremail").html("");
                $("#before").css("display", "block");
                $("#after").css("display", "none");
            }
        }
    });
}