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document.write("<td width='50%' style='border-top: 10px solid #dedede;border-left: 3px solid #dedede' valign='top'>")
document.write("<img border='0' src='images/conner1.gif' width='10' height='10'></td>")
document.write("<td width='50%' style='border-top:#dedede 10px solid;border-right:#dedede 3px solid' valign='top'>")
document.write("<p align='right'><img border='0' src='images/conner2.gif' width='10' height='10'></p></td></tr><tr>")
document.write("<td width='100%' colspan='2' style='border-right: 3px solid #dedede;border-left: 3px solid #dedede'>")
document.write("<table  border='0' cellpadding='2' cellspacing='0' width='100%'>")
document.write("<tr><td align='center'>　<b><font face='隶书' color='#C00000' size='2'>网络基础</font></b></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index01.htm'>前言</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0101.htm'>网络基本概念</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0102.htm'>Internet是怎样诞生的</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0103.htm'>Internet是怎样工作的</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0104.htm'>Internet所提供的服务</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0105.htm'>Internet在中国</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0106.htm'>本部分习题</a></td></tr>")
document.write("<tr><td align='center'>　<b><font face='隶书' color='#C00000' size='2'>局域网知识</font></b></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index02.htm'>前言</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0201.htm'>构成局域网的基本构件</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0202.htm'>局域网的传输媒体</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0203.htm'>网络适配器</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0204.htm'>局域网连接设备</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0205.htm'>常见局域网的类型</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0206.htm'>本部分习题</a></td></tr>")
document.write("<tr><td align='center'>　<b><font face='隶书' color='#C00000' size='2'>网络互联</font></b></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index03.htm'>前言</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0301.htm'>OSI参考模型</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0302.htm'>网络互联设备</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0303.htm'>网络拓扑结构</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0304.htm'>网络互联方式</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0305.htm'>网络连接的一个实例</a></td></tr>")
document.write("<tr><td>　<img border='0' src='images/dian.gif' width='21' height='14'><a href='index0306.htm'>本部分习题</a></td></tr>")
document.write("<tr><td align='center'>　<a href='index0500.htm'><b><font face='隶书' color='#C00000' size='2'><u>网络管理、网络安全</u></font></b></a></td></tr>")
document.write("<tr><td align='center'><a href='../index1.htm'><img border='0' src='images/00_back1.gif' alt='返回首页' width='100' height='60'></a></td></tr>")
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