As it's a special one this, sent to you byMmax', I'm sure you'll do a great job Keith. As Wayne said, take it easy, step by step, and don't bother about half the World watching...oh b*ll*cks, now look what I've done!!
Only kidding mate, just do it to the best of your ability, and if you get stuck, even if it's something small, dont't hesitate to ASK!