插入透明Flash

<div id="Layer1">
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="659" height="100">
<param name="movie" value="images/float.swf">
<param name="quality" value="high">
<param name= "wmode" value= "transparent" >
<embed src="images/float.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer";; type="application/x-shockwave-flash" width="659" height="100"></embed>
</object>
</div>

<style>
div {background-image:url(图片地址);background-repeat:no-repeat;background-position:center center;background-attachment:fixed}
</style>