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

              cell = row.insertCell(3);
              cell.className = "trackbut";
              cell.innerHTML = "mute";
              cell.onmousedown = mouseDownEventHandler("SET/TRACK/" + addtop + "/MUTE/-1;TR