OK - one of the ways that those naughty little trojan and spyware nasties get into your pristine machine and wreak havoc is thru Java applets. If you want to test to make sure that Java is disabled in your browser go here if java is enabled you will get the "indeed" if not you won't.
the second way that nasties can have a wrecking party in your machine is by way of ActiveX - to test the status of ActiveX in your browser go here if ActiveX is enabled you should see the date and time in the box.