Shell Game

onClipEvent (load) {
    stopped = true;
    myCTR = -1;
    w = 0;
}
onClipEvent (enterFrame) {
    if (myCTR<=_parent.ctr && myCTR>=0) {
        if (stopped) {
            w = Math.ceil((random(60)+1)/10);
            if (w == 1) {
                if (myBall == 1) {
                    myBall = 2;
                } else if (myBall == 2) {
                    myBall = 1;
                }
            } else if (w == 2) {
                if (myBall == 3) {
                    myBall = 4;
                } else if (myBall == 4) {
                    myBall = 3;
                }
            } else if (w == 3) {
                if (myBall == 3) {
                    myBall = 2;
                } else if (myBall == 2) {
                    myBall = 3;
                }
            } else if (w == 4) {
                if (myBall == 3) {
                    myBall = 1;
                } else if (myBall == 1) {
                    myBall = 3;
                }
            } else if (w == 5) {
                if (myBall == 2) {
                    myBall = 4;
                } else if (myBall == 4) {
                    myBall = 2;
                }
            } else if (w == 6) {
                w = random(3)+6;
            }
            gotoAndPlay("f"+String(w));
            myCTR++;
            stopped = false;
        }
    } else if (_parent.ctr>4 && myCTR>_parent.ctr) {
        if (_parent._currentframe != 5) {
            if (w == 1) {
                if (myBall == 1) {
                    myBall = 2;
                } else if (myBall == 2) {
                    myBall = 1;
                }
            } else if (w == 2) {
                if (myBall == 3) {
                    myBall = 4;
                } else if (myBall == 4) {
                    myBall = 3;
                }
            } else if (w == 3) {
                if (myBall == 3) {
                    myBall = 2;
                } else if (myBall == 2) {
                    myBall = 3;
                }
            } else if (w == 4) {
                if (myBall == 3) {
                    myBall = 1;
                } else if (myBall == 1) {
                    myBall = 3;
                }
            } else if (w == 5) {
                if (myBall == 2) {
                    myBall = 4;
                } else if (myBall == 4) {
                    myBall = 2;
                }
            }
            _parent.gotoAndStop(5);
            gotoAndStop("guess");
        }
    }
}