
<smil xmlns="http://www.w3.org/2001/SMIL20/Language">
    <head>
        <layout>
            <root-layout width="640" height="480" backgroundColor="white"/>
            <region id="timedElement" backgroundColor="blue" top="10px" left="10px" height="100px" width="100px" z-index="1"/>
        </layout>
    </head>
    <body>
        <par dur="indefinite">
		<animate attributeName="top" to="400" begin="2s" accelerate="1" dur="2s" targetElement="timedElement"  fill="hold"/>
        </par>
    </body>
</smil>