Forum:Inactive tag

Is there anyway to add an "Inactive" tag like the "Admin" tag for any users who hasn't been editing the wiki for 72 days and has at least 1 contribution in Isle of Tune Wiki? If you don't understand, please reply &mdash;  S a m  Wang  12:31, April 6, 2012 (UTC)
 * I don't know of a way to make it on the top bar, but I'm sure with a template it's possible. I know how to do at least 1 contribution:

Although you'd have to add a script that gives days since last edit on Template:Lastedit. I know a way you could possibly do it, but you'd have to add a code to every page on the wiki. Let me know if that's okay and I can start working on it. Iggyvolz 12:49, April 6, 2012 (UTC)
 * Sorry...I gave some administration rights out to Pecoes because he said he can help with some MediaWiki stuff that I want, and I've just left a message on his wall asking if he can answer this forum, but he said this might need Special:Contact, so possibly just leave it like this right now &mdash;  S a m  Wang  12:53, April 6, 2012 (UTC)