请ActionScript高手帮帮忙，把AS2.0转换去AS3.0 （急）

无敌可爱

请问有高手能帮忙吗？把以下的AS2.0 code转换去AS3.0。。。。

onClipEvent (load) {

speed = 6;

isJumping = false;

jumpSpeed = 0;

startY = _y;

scale = _xscale;
}
onClipEvent (enterFrame) {

if (isJumping) {

_y += jumpSpeed;

jumpSpeed += 1;

if (_y>=startY) {

_y = startY;

isJumping = false;

speed = 6;

}

} else {

if (Key.isDown(Key.SPACE)) {

isJumping = true;

jumpSpeed = -15;

speed = 6;

}

}

if (Key.isDown(Key.LEFT)) {

play();

_x -= speed;

_xscale = -scale;

} else {


if (Key.isDown(Key.RIGHT)) {

play();

_x += speed;

_xscale = scale;

} else {

stop();

}



}
}