<script>

                $(function() {

                    $("account_table").stupidtable();

                });

            </script>

            <button id="btnExport" class= "btn btn-info">Export</button>

<div class="pagination"></div>        </div>

    </div>

<div id="footer">

<hr>

<div class="inner">

<div class="container">

<p class="right">Copyright &copy; FSB</p>

<p>

</p>

</div>

</div>

</div>

</div>

<!--<script src="<?//php echo base_url(); ?>assets/js/jquery-2.1.1.js"</script>-->

    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>

    <script src="http://192.168.1.142/admin/assets/js/jquery.battatech.excelexport.js"></script>

    <script src="http://192.168.1.142/admin/assets/js/stupidtable.js"</script>

    <script src="http://192.168.1.142/admin/assets/js/jquery.validate.js"></script>

<script src="http://maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>

<script src="http://192.168.1.142/admin/assets/js/admin.min.js"></script>

        </body>

</html>

<script type="text/javascript">

            $(document).ready(function () {

                $("#btnExport").click(function () {

                    $("#account_table").btechco_excelexport({

                    containerid: "account_table"

                    , datatype: $datatype.Table

                    });

                });

            });

            </script>

What I am doing wrong?