1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5var min = 1;
6var max = 5;
7var current = min;
8
9function updateIcon() {
10  chrome.browserAction.setIcon({path:"icon" + current + ".png"});
11  current++;
12
13  if (current > max)
14    current = min;
15}
16
17chrome.browserAction.onClicked.addListener(updateIcon);
18updateIcon();
19