Collision detection? AS 1

programming flash
1

I want the basket the fox is carrying to glow when an object goes into the basket. A good glow for the good object and a bad glow for the bad object. What is the best way to go about program this. Below is the scripting in AS 1.
THANKS


stop();

backgroundSound.start();

function initGame() {

    // the range of falling apple clips
    firstApple = 1;
    lastApple = 0;

    // init the score
    score = 0;

    // set the number of apples to fall
    totalApples = 25;

    // init the speed and time delay
    timeSinceLastApple = 0;
    appleSpeed = 5;

    // create the fox so that it is on top of the apples
    attachMovie("running fox","fox",999999);
    fox._x = 275;
    fox._y = 350;
}

function moveFox() {
    // check for arrow keys
    if (Key.isDown(Key.RIGHT)) {
        dx = 10;
        // fox faces right
        fox._xscale = -Math.abs(fox._xscale);
    } else if (Key.isDown(Key.LEFT)) {
        dx = -10;
        // fox faces left
        fox._xscale = Math.abs(fox._xscale);
    } else {
        // no movement
        dx = 0;
    }

    // move the fox and limit that movement
    fox._x += dx;
    if (fox._x<30) {
        fox._x = 30;
    }
    if (fox._x>520) {
        fox._x = 520;

    }
    // make the fox run or stand still    
    if ((dx != 0) and (fox._currentFrame == 1)) {
        fox.gotoAndPlay("run");
    } else if ((dx == 0) and (fox._currentFrame != 1)) {
        fox.gotoAndPlay("stand");
    }
}

function dropNewApple() {
    // only drop if it has been long enough
    if (timeSinceLastApple>20) {

        // only drop if there are more apples
        if (lastApple<totalApples) {

            // only drop 10% of the time
            if (Math.random()<.1) {

                // create next apple and set its locations
                lastApple++;
                if (Math.random()<.5) {
                    // 50% chance of a bad apple
                    attachMovie("bad apple","apple"+lastApple,lastApple);
                    _root["apple"+lastApple].type = "bad";
                } else {
                    // 50% chance of a good apple
                    attachMovie("good apple","apple"+lastApple,lastApple);
                    _root["apple"+lastApple].type = "good";
                }
                f = int(Math.Random()*_root["apple"+lastApple]._totalFrames)+1;
                _root["apple"+lastApple].gotoAndStop(f);
                _root["apple"+lastApple]._x = Math.random()*490+30;
                _root["apple"+lastApple]._y = 0;

                // reset time delay for next apple
                timeSinceLastApple = 0;

                // increase apple speed
                if (appleSpeed<10) {
                    appleSpeed += .5;
                }
            }
        }
    }
    // even if no apple dropped, get closer to next drop    
    timeSinceLastApple++;
}

function moveApples() {

    // loop through all existing apple clips
    for (i=firstApple; i<=lastApple; i++) {

        // get apple location
        x = _root["apple"+i]._x;
        y = _root["apple"+i]._y+appleSpeed;

        // see whether apple reached ground
        if (y>400) {
            removeApple(i);

            // see whether apple hit basket
        } else if ((Math.abs(y-fox._y)<10) and (Math.abs(x-fox._x)<25)) {
            if (_root["apple"+i].type == "good") {
                
                goodSound.start();
                // good apple, get a point;
                score += 5;
            } else {
                
                badSound.start();
                // bad apple, lose a point
                score -= 5;

                // don't go below 0
                if (score<0) {
                    score -= 0;
                }
            }
            removeApple(i);

            // continue to move apple
        } else {
            _root["apple"+i]._y = y;
        }
    }
}

function removeApple(n) {
    // take away apple movie clip
    _root["apple"+n].removeMovieClip();

    // reset range of apples to move
    firstApple = n+1;

    // see whether this was the last apple
    if (n == totalApples) {
        fox.removeMovieClip();
        gotoAndPlay("game over");
    }
}