I had a need for something similar.
What I wanted to do though is change the background colour of the users message rather than
the text. The code for what I have done is here
I am new at cgi/perl so my nesting skills are rather poor at the moment.
The code does work in v6.1 beta 1.4
Allthough it is, in my case, used to identify one member, I think it would be easy to modify it to suit as many as you wish.
[ September 04, 2001: Message edited by: InteSol ]