onClipEvent(load){
 speedx += 5;
 speedy += 5;
}
onClipEvent(enterFrame){
 this._x = speedx;
 if (this._x>= 585) {
 speedx = -speedx;
 } else if (this._x <= 15) {
 speedx = -speedx;
 }
 this._y = speedy;
 if (this._y>= 385) {
 speedy = -speedy;
 } else if (this._y <= 15) {
 speedy = -speedy;
 }
}