I was still in C# mode, and forgot a 'then'. Well, that's one down...
Edit: Aaand.... I also forgot to make an event for the context menu... Aaand... I declared a variable twice O.O I've got it working now. Sorry to bother anybody who read this >.<
Edit Edit: Also I forgot an event. And I think that's about it. I hope I documented exactly what I did wrong well enough >.< Also, I forgot to put the code in a spoilers. So ouch, there's another thing. D:
oooooooooott's post in Trouble writing a Lua timer was marked as the answer