Sorry, actually the answer involves my very careless mistake to save
the setting. I miss to check it as other settings are saved but missed
that. So I have not real it as it does not have learning value. Sorry!

d...@yahoo.com.hk wrote:
> 
> Sorry, actually the answer involves my very careless mistake to save
> the setting. I miss to check it as other settings are saved but missed
> that. So I have not real it as it does not have learning value. Sorry!

Since there is obviously a language barrier, apology accepted.  Now
read my sig lines below and start posting replies with quotations.

-- 
"If you want to post a followup via groups.google.com, don't use
 the broken "Reply" link at the bottom of the article.  Click on 
 "show options" at the top of the article, then click on the 
 "Reply" at the bottom of the article headers." - Keith Thompson

OK. I missed to used it as I changed to google group beta not long
enough and initially cannot find the thread tree at the left hand side.
Now I can pop the tree again and so I will reply at the right position
in the future.