Elastic  - AS3 Flex

<?xml version="1.0"?>
<!-- Simple example to demonstrate the s:Bounce and s:Elastic classes. -->
<s:Application
    xmlns:fx="http://ns.adobe.com/mxml/2009"
    xmlns:mx="library://ns.adobe.com/flex/mx"
    xmlns:s="library://ns.adobe.com/flex/spark">

    <fx:Declarations>
        <s:Bounce id="bounceEasing"/>
        <s:Elastic id="elasticEasing"/>
        <s:Move id="moveRight" 
            target="{myImage}"
            xBy="500"
            duration="2000"
            easer="{elasticEasing}"/>
        <s:Move id="moveLeft" 
            target="{myImage}"
            xBy="-500"
            duration="2000"
            easer="{bounceEasing}"/>
    </fx:Declarations>

    <s:Panel id="examplePanel"
        title="Bounce and Elastic Effect Example"
        width="75%" height="75%">

        <!-- Directions -->
        <s:VGroup id="detailsBox" width="50%" top="5" left="5">
            <s:Label width="99%" color="blue"
                text="Click the buttons to watch the effect."/>
        </s:VGroup>

        <mx:Image id="myImage" top="20"
            source="@Embed(source='assets/logo.jpg')"/>

        <s:Button label="Move Right"
             bottom="10" left="5" 
            click="moveRight.end();moveRight.play();"/>

        <s:Button label="Move Left" 
            bottom="10" left="100" 
            click="moveLeft.end();moveLeft.play();"/>
    </s:Panel>
</s:Application>