Because you pretend to know what you're doing and you don't have a clue.

If you knew how to, you'd do it, since it would only take three minutes max, right? Instead you look like yet another poser that doesn't have a clue what they are talking about. That's why you fail.
lol, you're hillarius.
There are triggers in ID I can't know about and if I'd code this it'll propably end somewhat buggy.
But well, okay, I'll code it if I have time (propably within 16 hours) ... :/