js动态加载flash(ie only)

<OBJECT classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id="mFlash"
codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0"
WIDTH="120" HEIGHT="60" id="468x60" ALIGN="" VIEWASTEXT>
<PARAM NAME=quality VALUE=high>
</OBJECT>
<input type=button onclick="addFlash()" value="Add">
<input type=button onclick="mFlash.Stop()" value="Stop">
<input type=button onclick="mFlash.Play()" value="Play">
<script>
function addFlash() {
mFlash.movie='http://player.youku.com/player.php/sid/XNzcxMjI1MDA=/v.swf';
mFlash.Play();
}
</script>