1.被Flash挡住
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设置Flash的参数：param name="wmode" value="opaque"
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object classid="clsid
27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="468" height="60"param name="movie" value="http://pepsi.flash8.net/pepsi46860.swf"
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param name="wmode" value="opaque"param name="quality" value="high"embed src="http://pepsi.flash8.net/pepsi46860.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="468" height="60"/embed/object
% |1 f% i8 p; V8 B8 hdiv style="position:absolute;left:150;top:50;width:100px;height:50px;background:green"
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/div
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object classid="clsid
27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,29,0" width="468" height="60"param name="movie" value="http://pepsi.flash8.net/pepsi46860.swf"
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param name="wmode" value="transparent"param name="quality" value="high"embed src="http://pepsi.flash8.net/pepsi46860.swf" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="468" height="60"/embed/object
# p9 O* h& q' ?. C1 V2 ndiv style="position:absolute;left:150;top:50;width:100px;height:50px;background:green"
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/div
- ]# l/ [+ I- k' ]5 _2.被图片挡住
) ~1 u" \; L3 G; N这个估计是因为图片也放在层中，而图片所在层的Z轴索引值比该层大，所以被挡住，解决办法是更改该层的Z轴索引值至比图片层大。
0 q$ Z7 s! h$ U8 Bdiv style="position:absolute;left:0;top:20;z-index:2;background:red;width:120px;height:70px"
X5 V' n. N- E+ W2 L! W1img src="http://www.flash8.net/images/logo.gif"
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/div
0 E( X) U1 A: ?- Ediv style="position:absolute;left:50;top:50;z-index:2;background:green;width:120px;height:70px"
2 [( ^( ?' L; ^6 |- q0 A1 b2img src="http://www.flash8.net/images/logo.gif"
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/div
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div style="position:absolute;left:90;top:80;z-index:2;background:blue;width:120px;height:70px"
3 {0 [: K: Z0 O* J2 g3img src="http://www.flash8.net/images/logo.gif"
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/div
) M# K( `2 V9 e! {2 h( X# \0 V2 A3.被表单控件挡住
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这个目前还没有完美的解决方法，一般都是在设计排版时就尽量避免这种情况，如果是万不得已，就在层经过表单控件时让表单控件隐藏，过后再让它显示：
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button 显示层隐藏下拉选项/buttonbutton 显示下拉选项隐藏层/button
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+ [/ |' w# m- s# @4 [: O" s* c1 Qdiv style="position:absolute;left:0;top:50;z-index:2;background:red;width:120px;height:50px"
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z-index:1select id="oSelect"/select
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/div
$ b `) J9 d. Ydiv id="oLayer" style="position:absolute;left:30;top:60;z-index:2;background:green;width:120px;height:70px;display:none"
" j3 D7 D7 t3 Y- i& _; o( Xz-index:2img src="http://www.flash8.net/images/logo.gif"
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当然还有用优先级别较高的控件来代替层的方法解决，但控件并非是每台机器上都有安装，而且控件的可定制性也差，也就是常说的兼容性问题：
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hhctrl.ocx
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OBJECT id=hhctrl type="application/x-oleobject" classid="clsid:adb880a6-d8ff-11cf-9377-00aa003b7a11" codebase="Ifile:/Ihhctrl.ocx#Version=4,0,0,24" width=80 height=20
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PARAM name="Command" value="Related Topics, MENU"
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PARAM name="Button" value="Menu"
" `" _7 V9 {. y" C& APARAM name="Item1" value="[X-Eyes];http://x-lover.com/forums/"
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PARAM name="Item2" value="闪客之吧;http://www.flash8.net"
$ n& a" j! j0 CPARAM name="Item3" value="零刻联盟;http://www.linkmeng.com/"
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PARAM name="Item4" value="蓝色理想;http://www.blueidea.com/"
2 l2 U5 m2 D( T$ r% BPARAM name="Item5" value="a href="http://www.5d.cn"5D多媒体/a;http://www.5d.cn"
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7 t q$ f" \1 f' ~$ b- `select/select
- R: J, k, Y- a7 x+ bwindow.createPopup()窗口(需要IE5.5 支持)
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var oPopup = window.createPopup();
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function showPopupWin(){
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var oPopBody = oPopup.document.body;
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7 k, }4 X4 A# n5 ?/SCRIPT
, V$ Z' t* S4 p6 z( NBUTTON Click Me!/BUTTONselect/select
4 W- C) }7 [2 h- }iframe src="index.asp"/iframe
