$(function() {
    $("#btnNewsletter").click(function() {
        $.ajax({
            type: "POST",
            url: "/ajax/newsletter",
            data: $("#formNewsletter").serialize(),
            dataType: "json",
            beforeSend: function()
            {

            },
            success: function(json)
            {
                alert(json.msg);
            }
        });
    });
});