It seems that the maps for the dot-generated bitmaps are wrong. For example, in the attached html file, if you move the mouse cursor links over the exotkAF_ViewPopup image, the area becomes "sensitive" only when the cursor is on the "ot". On the right, thew area is sensitive passed the end of the box.

I hope you can find the problem. I sent this question to the doxygen mailing list, but Dimitri van Heesch replied me that the areas are generated by dot.exe
Input file: b85.dot
Output file: b85.gif
Comments:
[erg] As of (at least) 1.8.4, this problem does not exist. As a related point, one will get similar buggy behavior if the map file is generated without the font available, but dot doesn't complain as of the current release.
Owner: erg
Status: Fixed