Flex鼠标放到地图上的自定义小图标时动作效果

<!--鼠标放到地图上的自定义小图标时动作效果start-->
<s:Move id="move1" xBy="-319" duration="300"/>
<s:Move3D id="moveEffect" duration="200" repeatBehavior="reverse" repeatCount="2000"/>
<!--鼠标放到地图上的自定义小图标时动作效果over-->

graphic.addEventListener(MouseEvent.CLICK,showSYDSymbolInfo);	
		graphic.addEventListener(MouseEvent.ROLL_OVER,refMove);	
			graphic.addEventListener(MouseEvent.ROLL_OUT,refMoveEnd);

private function refMove(event:MouseEvent):void{
var g:Graphic = event.currentTarget as Graphic;
moveEffect.yFrom=g.y;
moveEffect.yTo=g.y-8;
moveEffect.target=g;
moveEffect.play();
}
private function refMoveEnd(event:MouseEvent):void{
moveEffect.stop();
moveEffect.reverse();
}