Developer's Guide :: Using Timer
From RadPHP XE2 Documentation
Timer is a component that fires a Javascript event after an specific amount of time. This value, can be specified in the Interval property of the component.
You can disable a Timer, for example, when clicking a button, using this code on the Javascript OnClick event:
function Button1JSClick($sender, $params)
{
?>
Timer1_DisableTimer();
<?php
}