 {
                cell.innerHTML = "arm";
                cell.onmousedown = mouseDownEventHandler("SET/TRACK/" + addtop + "/RECARM/-1;TRACK/" + addtop);
              } else {
                cell.innerHTML = "main<br>out";
                cell.onmousedown = mouseDownEventHandler("SET/TRACK/0/SEND/0/MUTE/-1;GET/TRACK/0/SEND/0");
              }

              cell = row.insertCell(2);
              cell.className = "trackbut";
              if (addtop > 0) {
                cell.innerHTML = "mon";
       