btw I think a far more important thing with a child / young person on the PC is making sure they dont give away too much personal information on "chat" web sites (MSN, facebook etc).
There are plenty of example of grown men pretending to be young boys and "chatting up" girls.
Also asking youngsters where they live and when they are going no holiday (so they know when the house is empry etc).
Also no giving away information about which school they go to, or giving out their phone number and other personal information.
Some advice here
http://www.broadbandc...-children-online.html