After updating with Patch.v4 220.127.116.115 and Terminal 18.104.22.1685 now I can draw tracks, there are still 2 problems:
1. Show graph button still not functioning
2. after I draw track and clear with Clear map button, I saw not all fat points cleared, by panning or zooming map then the left behind fat points completely cleared. (using FF 27 and Chrome 32 on Mac OS X 10.9).
Please check. Thank you.