t_arm").style.background = last_out_states[sendidx] ? "#88f" : "#fff";
                else
                  document.getElementById("trackinspect_mon").style.background = last_out_states[sendidx] ? "#88f" : "#fff";
              }
            }
          }
        }
      break;
      case "NTRACK":
        if (tok.length > 1 && tok[1] >= 0) {
          var host = document.getElementById("tracks");
          if (host) {
            last_track_cnt = parseInt(tok[1]) + 1;
            var l = host.rows.lengt