在IE中显示透明：
<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="770" height="148"> <param name="movie" value="swf/top.swf" /> <param name="quality" value="high" /> <param name="wmode" value="transparent" /> <embed src="swf/top.swf" quality="high" pluginspage="http://www.ma cromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="770" height="148"></embed> </object> 在FireFox中显示透明：！ <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cab s/flash/swflash.cab#version=6,0,29,0" width="770" height="148"> <param name="movie" value="swf/top.swf" /> <param name="quality" value="high" /> <embed src="swf/top.swf" wmode="transparent" quality="high" pluginspage="http://www.macromedia.com/go/getflas hplayer" type="application/x-shockwave-flash" width="770" height="148"></embed> </object> 在两种浏览器中都显示透明： <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockw ave/cabs/flash/swflash.cab#version=6,0,29,0" width="770" height="148"> <param name="movie" value="swf/top.swf" /> <param name="quality" value="high" /> <param name="wmode" value="transparent" /> <embed src="swf/top.swf" wmode="transparent" quality="high" pluginspage="http://www.macromedia.com/go/getflashp layer" type="application/x-shockwave-flash" width="770" height="148"></embed> </object>原来要在Embed标签下加上wmode="transparent”这个属性。
本文转自 netcorner 博客园博客，原文链接：http://www.cnblogs.com/netcorner/archive/2007/05/20/2912379.html ，如需转载请自行联系原作者