i want to get sub destination id which is coming from jquery i want it in this mysql query
 <a href="#small_add" data-id="<?php echo $id;?>" type="button" data-toggle="modal" class="open-AddBookDialog">Details</a></div>
         <script>
                $(document).on("click", ".open-AddBookDialog", function () {
                 var myBookId = $(this).data('id');
                 $(".modal-body #bookId").val( myBookId );
                $('#small_add').modal('show');
                });
                </script>
    $sub_desti_id=???
     $small_hotel="SELECT * FROM small_add WHERE sub_dest='$sub_desti_id' ";
        $small_hotel1=mysql_query($small_hotel);
 
    