$(document).ready(function () {

​

    var interval = 0;

    $("#form1").submit(function () {

​

        if (interval === 0) {

            interval = setInterval(function () {

​

​

                var url = "tbladen.php";

                var data = $("#form1").serialize();

​

                $.ajax({

                    type: "POST",

                    url: url,

                    data: data,

                    success: function (data) {

                        $("#tbladen").html(data);

                    }

                });

            }, 1000);

        }

        return false;

    });

​

​

});