ctucx.git: webmusic-nginx

new key-combo: ESC for goto parent folder

diff --git a/webmusic.js b/webmusic.js
@@ -50,6 +50,9 @@ window.onkeyup = function (event) {
     else if (event.key === "ArrowRight") {
         sound.seek(sound.seek()+10);
     }
+    else if (event.key === "Escape") {
+        window.location = '../';
+    }
 };