一个关于动态的问题

<body scroll="no" onload="ChangePaper();" leftMargin="0" topMargin="0">
<object id=Flash classid=clsid:D27CDB6E-AE6D-11cf-96B8-444553540000 height=100% width=100%>
<param name='Movie' value='file://E:/Video/DigitalSky.swf'>
<param name='Scale' value='ShowAll'>
<param name='Menu' value='false'>
<param name="Loop" value="false">
</object>
<script>
function ChangePaper()
{
Flash.Movie="/DigitalSky.swf";//改吧
setTimeout("if(!Flash.Playing){Flash.Play();}",1000);
}
</script>
</body>