Embed custom HTML in docbook output?

[Krzysztof Drewniak <krzysdrewniak@gmail.com>]

I would like to embed a little custom html at the end of every HTML page
generated (but not HTML help).
The HTML is: <a href="http://sourceforge.net/projects/motm";><img
src="http://sflogo.sourceforge.net/sflogo.php?group_id=310995&amp;type=10"; width="80" height="15" alt="Get Menace of the Mines at SourceForge.net. Fast, secure and Free Open Source software downloads" /></a>
This needs to be at the bottom of all HTML pages (but NOT HTML help)?
How do I do this? 
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X-Real-Email-With-Antispam: krzysdrewniak at gmail dot com
pgp key on keyserver.ubuntu.com and maybe some other place too

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