@knoeki: i dont speak english verry well but look at my comments
if u want u can use one comand for not use 2 like "inc" "dec" u can use "var"
so i told "if u want" and i never tell people how to do but that can learn u more
i was like u and i learn where is the problem?
anyway i'll comment always your post and if u wanna do like FordLawnmower no problem but read it before cz that can learn u somme thing and that's not bad :)