Thank you very much, it works.
I just follow the step form the document link.
I have re-loaded the OS/XP.
Then Go to control panel,
Click on Date, Time, Language, and Regional Options,
Goto Regional and Lanuages Options,
Click on Languages tabs,
From the Text services and input languages,
Click on Details…Add…to add an keyboard type of Chinese (Simplified) –
Microsoft Pinyin IME 3.0 under the category of Chinese (PRC) or Chinese
(Taiwan) so that you can use HanYuPinYin method via the keyboard.
From the Supplement language support,
Check the checkbox Install files for EAST Asian languages.
office 2003 is cool...
I dont have to maintain 3rd party software.