演示效果：
www.codepub.com
0 B& d4 [( X, X% E) l$ V: t' j源码网两侧漂浮。经测试，兼容IE6，IE7，Firefox浏览器。
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9 K; \& Q: T5 z1 L- dCSS代码为：
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.r1{width:80px;height:80px;background:red;float:right;
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position:fixed !important; top/**/:200px;
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position:absolute; z-index:300; top:expression(offsetParent.scrollTop+200);right:20px;}
/ ~0 T* c2 h) k.r2{width:80px;height:80px;background:red;float:right;
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position:fixed !important; top/**/:300px;
Z0 P8 u; w/ L& U# ~0 i5 V position:absolute; z-index:400; top:expression(offsetParent.scrollTop+300);right:20px;}
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.l1{width:80px;height:80px;background:red;float:right;
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position:fixed !important; top/**/:200px;
% x$ e; @1 T) w/ p- Y( q position:absolute; z-index:300; top:expression(offsetParent.scrollTop+200);left:20px;}
: S X1 o6 o E& @6 P, v+ q.l2{width:80px;height:80px;background:red;float:right;
- I% d! G1 V$ \: i, Y5 y position:fixed !important; top/**/:300px;
/ u/ \! O; ]+ ?# U, x position:absolute; z-index:400; top:expression(offsetParent.scrollTop+300);left:20px;}
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页面代码为：
8 j$ M. J* M/ L<div class="r1"><a href="/d/adclick.php?id=11&url=http://www.25idc.com" target='_about'><img src="/js/pic/piao-l-1.gif" width="80" height="80" border="0" /></a></div>
" |/ \7 S; m- L3 H<div class="r2"><a href="/d/adclick.php?id=11&url=http://www.25idc.com" target='_about'><img src="/js/pic/piao-l-1.gif" width="80" height="80" border="0" /></a></div>
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<div class="l1"><a href="/d/adclick.php?id=11&url=http://www.25idc.com" target='_about'><img src="/js/pic/piao-l-1.gif" width="80" height="80" border="0" /></a></div>
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<div class="l2"><a href="/d/adclick.php?id=11&url=http://www.25idc.com" target='_about'><img src="/js/pic/piao-l-1.gif" width="80" height="80" border="0" /></a></div>
