$(function () {
    $('#subscribeForm').submit(function() {
        if ($('#subscribe_email').val() == "Your email address") {
            return false;
        }

        $(this).ajaxSubmit({
            success: function(response, statusText, xhr, $form) { 
                var $data = eval(response);

                if ($data[0]) { self.location = './subscribe_result.php'; }
                else {
                    $('#subscribe_email').focus();
                    alert($data[1]);
                }
            }
        });
        
        return false;
    });
});