datapicker.js

        $(document).ready(function(){
            if(datePeram && datePeram != "null"){
                $("#filter-date-picker").val(datePeram);
            }

            $('#filter-date').click(function(){
                if($("#filter-date-picker").val()){
                    datePeram = $("#filter-date-picker").val();

                    newUrl = url+='siteId='+sitePeram+'&date='+datePeram;

                    window.location.href=newUrl+=window.location.hash;
                }
            });
        })