private void stopImageAnimators() {
		synchronized (lock) {
			if (embeddedImageFound) {
				Thread[] list = new Thread[Thread.activeCount()];
				Thread.enumerate(list);
				for (Thread t : list) {
					if (t.getName().startsWith("Image Animator")) {
						t.interrupt();
					}
				}
				embeddedImageFound = false;
			}
		}
	}