Very often (each day, as a matter of fact) we receive messages regarding chess timing problems. They go like this:
What should I do if in a lost position the opponent leaves for timing correction and doesn't come back for a very long time. Guest80732 is well known for it.
If I have to leave for a minute what should I do to suspend my timing? My opponents take advantage of it but I don't know which button to hit.
Dear users! Nobody here is fiddling with timing. It is theoretically very complicated in the current configuration of the applet, and practically impossible. Your opponent has precisely the same interface as you do and can not suspend or add time. All timing operations are conducted at the server's side.
I strongly recommend you to read: