motion via action script

[bongbox]

i have 2 movieclips: i want to move both of them but the second movie clip will only move if the first clip reach his final destination how do i do that?

[blah-de-blah]

if (clip1._x == whatever && clip1._y == whatever) {
//do whatever
}

isn't it just something like that?

[bongbox]

want to see some example