ie:在<object>标签中增加: <param name="wmode" value="transparent">
Firefox:在<object>-><embed>标签中增加 wmode="transparent",即<embed wmode="transparent" ...></embed>
<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="944" height="188"> <param name="movie" value="/images/main.swf" /> <param name="quality" value="high" /> <param name="wmode" value="transparent"> <embed src="/images/main.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="944" height="188"></embed> </object>