Thread:Penguin-Pal/@comment-1280533-20131214005252/@comment-4018164-20131214073218

This should simulate it pretty well (add a second class of "selected" for the selected tab, using parser functions like #ifeq may be helpful:

About your secod question, try MediaWiki:Contris_s. If you ever wonder how to find out which MediaWiki page determines the content of something, add to the end of the page's URL ?uselag=qqx and it would then replace the contet with the name of this MediaWiki page surrounded with brackets.