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<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>無標題文檔</title>
<style>div{font-size:12px;color:red; background-color: #EAEAE8; border: 1 solid #1892B5; padding: 1}</style>
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<div id="main1" style="color:blue" onclick="document.all.child1.style.display=(document.all.child1.style.display =='none')?'':'none'" >
+ 主目錄1</div>
<div id="child1" style="display:none">
<a href="#">- 子目錄1</a> <br>
<a href="#">- 子目錄2</a> <br>
<a href="#">- 子目錄3</a> <br>
<a href="#">- 子目錄4</a>
</div>
<div id="main2" style="color:blue" onclick="document.all.child2.style.display=(document.all.child2.style.display =='none')?'':'none'" >
+ 主目錄2 </div>
<div id="child2" style="display:none">
<a href="#">- 子目錄1</a> <br>
<a href="#">- 子目錄2</a> <br>
<a href="#">- 子目錄3</a>
</div>
</body>
</html>