--- a/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java	Sat Oct 11 23:46:22 2014 +0900
+++ b/src/main/java/jp/ac/u_ryukyu/treevnc/TreeRFBProto.java	Sun Oct 12 23:05:47 2014 +0900
@@ -63,9 +63,8 @@
     private TreeVncRootSelectionPanel rootSelectionPanel;
     private boolean isTreeManager;
     private String vncInterface;
-    private int i;
     public LinkedList<TreeVNCNode> nodeList;
-    private SendCheckDelay sendCheckDelay;
+    public boolean checkDelay = false;
 
 
     public TreeRFBProto(boolean isTreeManager) {
@@ -182,7 +181,8 @@
                                 String address = new String(byteAddress, "UTF-8");
                                 int nodeNum = getNodeNum(port, address);
                                 Long delay = System.currentTimeMillis() - time;
-                                System.out.println("nodeNum" + nodeNum + ", delay = " + delay);
+                                double db = (double) delay / 2;
+                                System.out.println("nodeNum" + nodeNum + ", delay = " + db);
                                 
                                 // checkNodeNum();
                                 // readSendData(check);
@@ -573,21 +573,6 @@
         if (header.get(0) == FramebufferUpdate) {
             int encoding = header.getInt(12);
             
-//            sendCheckDelay.run();
-            
-
-            /*
-            if(isTreeManager()) {
-                if (i%20 == 0) {
-                    LinkedList<ByteBuffer> checkdelay = new LinkedList<ByteBuffer>();
-                    long time = System.currentTimeMillis();
-                    checkdelay.add(new CheckDelay(0, 0, 0, 0, time, EncodingType.CHECK_DELAY).getMessage());
-                    this.addSerialNumber(checkdelay);
-                    multicastqueue.put(checkdelay);
-                } i++;
-            }
-            */
-
             if (encoding == EncodingType.ZRLE.getId()
                     || encoding == EncodingType.ZLIB.getId()) {
                 // recompress into ZREE
@@ -760,7 +745,11 @@
     }
 
     public void setShowTree(boolean showTree) {
-        showTreeNode  = showTree;
+        this.showTreeNode = showTree;
+    }
+
+    public void setCheckDelay(boolean checkDelay) {
+        this.checkDelay = checkDelay;
     }
 
     public int getNodeNum(int port, String address) {
@@ -775,4 +764,4 @@
         }
         return nodeNum;
     }
-}
+}
\ No newline at end of file