I would like to have an option in the TinyMCE styles dropdown to change the current class of the current paragraph to "intro".

I want this to only apply to a "p".  So either it should change the current block element to a "p" and add the class, or the option shouldn't be there if a "p" isn't already selected - either would do the trick!  But I don't want it being added to headings, fro example.

I've created a stylesheet property but it looks like the Alias will either take a "p" or ".intro" but not, say "p.intro".  Is there anything I can do about this?  Or some magic syntax I am missing?

(In general it would be quite helpful if this styles box was context sensitive.)

Thanks!

John