A servo control circuit provides seamless transition between seek and track modes while enabling both rapid seek mode operation and accurate tracking. In response thereto, the requested video game program is sent along with a program for providing compatibility between the target and native video game platforms. One policy databasedatabase lookup pair per virtual machine allows each virtual machine to have a different set of packet processing rules and security policies for handling the same key. In the second preferred embodiment, the float mechanism is in the toilet bowl, and shuts off the flow of water when the water level rises in the bowl above a certain level after the toilet is flushed, with the timer mechanism again backing up the float mechanism.