else if (sel.equals("System.err"))
out = System.err;
Object simStatus = app.find(myUi, "simStatus");
try {
ScriptableObject scope = cx.initStandardObjects();
cx.evaluateString(scope, script, "<cmd>", 1, null);
if (similarity != null) similarity.destroy();
similarity = new CustomSimilarity(cx, scope, out);
app.setCustomSimilarity(similarity);
app.setString(simStatus, "text", "OK");
app.setColor(simStatus, "foreground", Color.green);