for (i=0; i < _root.Enemies.length; i++) {
    curEnemy = _root.Enemies[i];
    if(this.hitTest(_root.curEnemy)){
        unloadMovie(this);
        trace("hit")
        _root.curEnemy.health -= 10;
        trace("Enemy health is now " + _root.curEnemy.health)
        if(_root.curEnemy.health <= 0){
            unloadMovie(_root.curEnemy);
        }
    }
}