message: Clean target dropdown in clean_panel()
diff: @@ -16,5 +16,6 @@ function clean_panel() {
  document.getElementById("command-command").value = "";
  document.getElementById("command-target").value = "";
  document.getElementById("command-target-list").innerHTML = "";
  + document.getElementById("target-dropdown").innerHTML = "";
  document.getElementById("command-value").value = "";
  }
  