  <a href="#" id="btn5" class="btn btn-xs btn-primary">{{ _('Jump') }}</a>
        <b id="fyts" class="red"></b>
        <script type="text/javascript">
            var page = '{{pager_num}}';
            var tag = '{{tag}}';
            $("#btn5").click(function changePage() {
                var curPage = document.getElementById("changePage").value * 1;
                if (!/^[1-9]\d*$/.test(curPage)) {
                   $("#fyts").val("Please enter a positive integer");
                    return;
     