  <script>
            $('#save_trip').click(function () {
                        <!--  alert("test");-->
                var  num_trip = $('#num_trip').val();
                var  date_trip = $('#date_trip').val();
                var  FIO = $('#FIO').val();
                var  target = $('#target').val();
                var  firma = $('#firma').val();
                var  num_order = $('#num_order').val();
                var  date_order = $('#date_order').val();
                var  date_ret = $('#date_ret').val();
                var  date_arr = $('#date_arr').val();

                    $.ajax({
                        "url": 'ajax/save_trip.php',
                        "type": 'POST',
                        data:{'num_trip' = num_trip , 'date_trip' = date_trip, 'FIO' = FIO, 'target' = target,
                              'firma' = firma, 'num_order' = num_order, 'date_order' = date_order,
                              'date_ret' = date_ret, 'date_arr' = date_arr
                            },
                        cache: false,
                        dataType: 'html',
                        success: function (data){
                            <!-- alert("Status="+status); -->
                            <!--    alert("data="+data);  -->
                            if(data === 'Готово'){
                                document.location.reload(true);
                            } else {
                                $('#errorBlock').show();
                                $('#errorBlock').text(data);
                            }
                        }
                    })
                }
            )

        </script>

                     $.ajax({
                                "url": 'ajax/save_trip.php',
                                "type": 'POST',
                                data:{'num_trip' = num_trip , 'date_trip' = date_trip, 'FIO' = FIO, 'target' = target,
                                      'firma' = firma, 'num_order' = num_order, 'date_order' = date_order,
                                      'date_ret' = date_ret, 'date_arr' = date_arr
                                    },
                                cache: false,
                                dataType: 'html',
                                success: function (data){
                                    <!-- alert("Status="+status); -->
                                    <!--    alert("data="+data);  -->
                                    if(data === 'Готово'){
                                        document.location.reload(true);
                                    } else {
                                        $('#errorBlock').show();
                                        $('#errorBlock').text(data);
                                    }
                                }
                            })