<script type="text/javascript">
    var frm = $('#form_post');
    frm.submit(function () {
        $.ajax({
            type: frm.attr('method'),
            url: frm.attr('comment_post'),
            data: frm.serialize(),
            success: function (data) {

            },
            error: function(data) {
                $("#MESSAGE-DIV").html("Something went wrong!");
            }
        });
        return false;
    });
</script>