导航下拉菜单被下面falsh遮挡住了怎么处理？
不会遮住层的Flash
<!-- 不会遮住层的Flash
让Flash不档住浮动对象或层的关键属性：
<param name="wmode" value="opaque" />
<embed wmode="opaque"></embed>
-->
<object type="application/x-shockwave-flash" data="style/flash/001.swf" width="400" height="400">
<param name="movie" value="style/flash/001.swf" />
<param name="wmode" value="opaque" />
<embed wmode="opaque"></embed>
<a href="style/flash/001.swf"><img src="style/img/001.jpg" alt="Flash动画" /></a>
</object>
透明的Flash
<!-- 透明的Flash
让Flash透明的关键属性：
<param name="wmode" value="transparent">
-->
<object type="application/x-shockwave-flash" data="style/flash/001.swf" width="400" height="400">
<param name="movie" value="style/flash/001.swf" />
<param name="wmode" value="transparent">
<a href="style/flash/001.swf"><img src="style/img/001.jpg" alt="Flash动画" /></a>
</object>