Mate I have something that will do exactly what you need its pretty east to use as well, however my flatmate has taken the CD somewhere and I can't remember the name of it DOH!! as soon as he gets back from work ill post you a link to download it its shareware does the job for 30 days you know the drill, not expensive ether from what I remember.
David 
From a readers' Q and A column in TV GUIDE: "If we get involved in a nuclear war, would the electromagnetic pulses from exploding bombs damage my videotapes?"