1.Flash设置透明,<param name="wmode" value="transparent">
2.注意<embed中的 wmode="transparent"...
代码

复制代码代码如下:
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="700" height="300">
<param name="allowScriptAccess" value="sameDomain" />
<param name="allowFullScreen" value="false" />
<param name="movie" value="fla/flashad3.swf">
<param name="quality" value="high">
<param name="wmode" value="transparent">
<embed src="fla/flashad3.swf" wmode="transparent" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="700" height="300"></embed>
</object>