<div style="position:absolute;top:0;left:0;bottom:0;right:0;display:block;width:100%;height:expression(this.parentNode.scrollHeight);filter:alpha(opacity=0);opacity:0;background:#FFF;" href="http://www.baidu.com"&gt;&lt;/a&gt;

<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" id="xingdong365" width="100" height="100" align="middle">

<param name="allowScriptAccess" value="never">

<param name="quality" value="high">

<param name="wmode" value="transparent">

<param name="movie" value="my.swf">

<embed  wmode="transparent" name="xingdong365" src="my.swf" quality="high" width="100" height="100" align="middle" allowscriptaccess="never" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer"&gt;&lt;/object&gt;

</div>

//ps:注意着几个参数必须加上

<param name="wmode" value="transparent">

wmode="transparent"