Problem wiht a code for controlling a MC animation [F8]

Hi, i have use de code in the “Complex Button RollOut/RollOver Effects” tutorial for a menu in my media, but after triying and triying i can’t make the button stop on last size when i click it, and the then make it play again when click it a second time, if somebody of you could help me i will be very thankful; thanks for your attention.