kinspect_mute").onmousedown = function(e) {
    return mouseDownEventHandler("SET/TRACK/" + g_inspect_tridx + "/MUTE/-1;TRACK/" + g_inspect_tridx)(e);
  };
  document.getElementById("trackinspect_solo").onmousedown = function(e) {
    mouseDownEventHandler("SET/TRACK/" + g_inspect_tridx + "/SOLO/-1;TRACK/" + g_inspect_tridx)(e);
  };
}

function volfader(e, istouch) {
  var fader = document.getElementById("trackinspect_volf");
  var handle = document.getElementById("trackinspect_volh");
  if (typeof e == 'u