Further to the the problem of using image replacement, yet requiring an
anchor, Thierry Koblentz sent me the following link offlist:
http://www.tjkdesign.com/articles/tip.asp
The last version worked for me, though i put the text inside the anchor,
rather than leave it empty. Works for me, and
I'n using an image replacement technique for my headers. I had wanted to
use the same technique for a site's logo in the top banner as well, but
have run into validation issues with XHTML 1.0 Transitional DTD.
The problem is that the logo must be wrapped by an anchor linking back
to the front p