如何将flash设置为网页背景?

<CENTER><EMBED style="LEFT: 1px; WIDTH: 100%; POSITION: absolute; TOP: 0px; HEIGHT: 1000px" align=right src=http://oyja.51.net/flash/sdjhh.swf width=907 height=907 type=application/octet-stream wmode="transparent" quality="high">
</CENTER>