网页中插入flash的代码不会被其他div覆盖
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" id=scriptmain name=scriptmain codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="960" height="90"> <param name="movie" value="/html/swf/a3.swf"> <param name="quality" value="high"> <param name=scale value=noscale> <param name="LOOP" value="false"> <param name="menu" value="false"> <param name="wmode" value="transparent"> <embed src="/html/swf/a3.swf" width="960" height="90" loop="false" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" salign="T" name="scriptmain" menu="false" wmode="transparent"></embed></object>

?重要的是加入vmode="transparent" 设置为透明