How to show braille dots on the web page?

[高生旺]

On Sun, 8 Mar 2009, Samuel Thibault wrote:
> Of course it can be done. Just use UTF-8 encoding and use U+2800 ..
> U+28FF characters.  The problem however is that the browser will need a
> braille font to render them properly.  On a proper Linux installation
> there will be at least a clearlyU font or so that has it.  On a windows
> system it's far less clear.  You can however provide a font on your
> website so users can install them, for instance UBraille.ttf:
Thank you very much! After installing this font, users should choose it 
manually, right? Whether may I make this automatically?