$(function () {
    deftext.Attach("#email", { Default: "请输入您的邮件地址..." });
    $(".subscribe").click(function () {
        var email = $("#email").val();
        if (email == "") {
            alert("请输入您的Email地址!");
            $("#email").focus();
        }
        $.post("/Service/Mall/Subscribe/Submit.aspx", { email: email }, function (resp) {
            alert(resp.Message);
            if (resp.Success) {
                $("#email").val("");
            }
        }, "json");
    });
});