Enable Unicode support for Chinese characters in Squirrel Mail

This will enable display of Traditional, Simplified Chinese and some Asian characters in one page.

Get the decoding packages for asian language:

squirrelmail-eastasia.tar.gz

File contents:

big5.php
cp874.php
cp949.php
euc_cn.php
euc_jp.php
euc_kr.php
euc_tw.php
gb18030.php
gb2312.php
iso_2022_cn.php
iso_2022_jp_2.php
iso_2022_jp.php
iso_2022_kr.php
iso_2022_support.php
shift_jis.php

Extract the all php files in squirrelmail-eastasia.tar.gz to ./functions/decode/ folder.

Run the conf.pl in squirrel and set the Default Charset to utf-8:

SquirrelMail Configuration : Read: config.php (1.4.0)
---------------------------------------------------------
Language preferences
1.  Default Language       : en_US
2.  Default Charset        : utf-8
3.  Enable lossy encoding  : false

R   Return to Main Menu
C   Turn color on
S   Save data
Q   Quit

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