Ajax call not working in mozilla

Question

My code is working fine in all the browser except mozilla firefox

$(document).ready(function () {
            var id1 = '<%=ViewData["UserName"]%>';
            var id2 = '<%=ViewData["UsrProfile"]%>';
            var msg = $('#addFrnd').attr('value');
            $.ajax(
              {
                  type: "POST",
                  url: "/Profile/SendFriendRequest",
                  data: "id=" + id1 + "&id1=" + id2 + "&message=" + msg,
                  success: function (result) {
                      $('#addLineItemControlSection').jqmHide();
                  },
                  error: function (req, status, error) {
                      alert("Make sure that javascript is enabled on your browser");
                  }
              });
        });