2
Hi
You have to change every template where The Rank is displayed.
<span style='<{if $comment.user.rank == "Moderator"}>blue<{elseif $comment.user.rank== "Admin">red(....)<{/if}>">
<{$comment.user.rank}>
</span>
comment.user.rank is just a suggestion. Please look at the template to find out the rank variable name in the context.
Other suggestion: Hack The getVar Function of the XoopsUser class.
greetings
birdseed