javascript+js web在线聊天代码

大家一起来交流，学习，研究 它可以实现在局域网中两台主机间的在线聊天，程序很简单，只有短短的几十行，但“麻雀虽小，五脏俱全”，它已经有了聊天程序的大体框架。我们在它的基础上稍加改进，就能做出不错的聊天小软件呢。 　　为了学习方便，提供的源码已经作了详细的中文注释，看看源码框中的代码

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件        5574  2008-01-12 12:05  UPDATES
     文件        5167  2008-01-12 12:07  admin.php
     目录           0  2007-12-13 18:36  themes\
     目录           0  2008-01-05 13:09  themes\dark\
     目录           0  2007-12-13 18:03  themes\dark\alert\
     文件          60  2006-07-21 08:13  themes\dark\alert\bottom-left-c.gif
     文件          50  2006-07-21 08:13  themes\dark\alert\bottom-middle.gif
     文件          61  2006-07-21 08:13  themes\dark\alert\bottom-right-c.gif
     文件         699  2006-07-21 08:13  themes\dark\alert\button-close-focus.gif
     文件         765  2006-07-21 08:13  themes\dark\alert\button-max-focus.gif
     文件         472  2006-07-21 08:13  themes\dark\alert\button-min-focus.gif
     文件          64  2006-07-21 08:13  themes\dark\alert\frame-left.gif
     文件          64  2006-07-21 08:13  themes\dark\alert\frame-right.gif
     文件         171  2006-07-21 08:13  themes\dark\alert\left-top.gif
     文件         168  2006-07-21 08:13  themes\dark\alert\right-top.gif
     文件          97  2006-07-21 08:13  themes\dark\alert\top-middle.gif
     文件         146  2007-12-13 04:40  themes\dark\away.png
     文件         928  2007-12-13 21:03  themes\dark\blocked.png
     目录           0  2007-12-13 20:19  themes\dark\emoticons\
     文件         319  2006-12-28 16:06  themes\dark\emoticons\00.png
     文件         383  2006-12-28 16:20  themes\dark\emoticons\09 - ooh.png
     文件         426  2006-12-28 17:20  themes\dark\emoticons\11 - crazy.png
     文件         373  2006-12-28 19:04  themes\dark\emoticons\13 - geek.png
     文件         522  2007-08-30 23:24  themes\dark\emoticons\14 - devil.png
     文件         345  2006-12-28 19:26  themes\dark\emoticons\15 - doh.png
     文件         397  2006-12-28 19:31  themes\dark\emoticons\16 - XD.png
     文件         264  2006-12-28 14:27  themes\dark\emoticons\18 - brb.png
     文件         370  2006-12-28 17:11  themes\dark\emoticons\angry.png
     文件         362  2006-12-28 16:06  themes\dark\emoticons\cool.png
     文件         458  2006-12-28 19:45  themes\dark\emoticons\cry.png
     文件         400  2006-12-28 15:36  themes\dark\emoticons\embarassed.png
............此处省略237个文件信息