[in4core]

function setRepeat(mc) {
     if(mc._currentframe == "flag2") { mc.gotoAndPlay("flag1"); } 
     else  {mc.play(); check =   false; }
     if(check) { mc.gotoAndPlay("flag3")}
}
MasterClip.onRollOver = function() { check = true; }
 
this.onEnterFrame = setRepeat(MasterClip);
var check:Boolean = false;

как то так чтоли....ыыы