--- a/src/main/java/jp/ac/u_ryukyu/treevnc/MyRfbProto.java	Fri May 23 01:45:06 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/MyRfbProto.java	Fri May 23 02:20:05 2014 +0900
@@ -22,10 +22,9 @@
 public class MyRfbProto {
 	final static int FramebufferUpdateRequest = 3;
 	final static int CheckDelay = 11;
-	final static int FramebufferUpdate = 0;
+	protected final static int FramebufferUpdate = 0;
 	private ProtocolContext context;
-	//final static String versionMsg_3_855 = "RFB 003.855\n";
-	final static String versionMsg_3_856 = "RFB 003.856\n";
+	protected final static String versionMsg_3_856 = "RFB 003.856\n";
 	private int clients;
 	public MulticastQueue<LinkedList<ByteBuffer>> multicastqueue = new MulticastQueue<LinkedList<ByteBuffer>>();
 	private RequestScreenThread rThread;
@@ -42,6 +41,9 @@
 		rThread = new RequestScreenThread(this);
 	}
 
+	public boolean isRoot() {
+	    return false;
+	}
 	
 	public void newClient(AcceptThread acceptThread, final Socket newCli,
 			final Writer os, final Reader is) throws IOException {