This is not working in my codeigniter function i have the id and cannot get that id.Please help me. this is my view and i am trying to send my id through the function.

<script type=text/javascript>

    function makeajaxcall(id) {

        //alert(id);

        var r = confirm(Do you want to Delete);

        if (r == true) {

            window.location.href = <?php echo site_url('controller_d/login/admin_link_delete_user?id='.id);?>;

        } else {

            x = You pressed Cancel!;

            alert(x);

        }



    }

</script>