public void enableAudio() {
		if (audioenabled==true) return;
		audioenabled=true;
		for (Enumeration e=channels.keys(); e.hasMoreElements(); ) {
			String channel = (String)e.nextElement();
			String lastclipid=(String)islooping.get(channel);
			if (lastclipid==null) continue;
			Hashtable chan = (Hashtable)channels.get(channel);
			AudioClip clip = (AudioClip)chan.get(lastclipid);
			if (clip!=null) clip.loop(); 
		}
	}