Combo box for movie play in flash mx 8

Hi,
Pls somebody help me regarding this.

I have three Combo box in flash movie.
combo box instance name are following.
data lable
1- my_bx_1 A , B
2- my_bx_2 C, D
3- my_bx_3 E,F
My question consist to two parts.

1- i want that when I will select my_bx_1 , movie should play and stop on any desired fram # in flash mx.

2- i want to use if statment that if my_bx_1 is A, my_bx_2 is D and my_bx_3 is E then on click btn movie play and stop on desired frame # in the scence.

Please help me regarding this. I will be very thankfull for guiding me.

have a nice day!

Thanks:afro: