Forum:Why won't these templates work on my wiki?

Hello, I am Pikapi, and I have yet another question. I was browsing Wookiepedia when I found two templates, Template:USERNAME and Template:Title. I tried putting them on my wiki but they didn't work. Can someone tell me why, or add a working one to Communipedia for me? -- " PiKaPi  talk   blog  20:51, July 2, 2010 (UTC)
 * They require you to add code to w:c:communipedia:MediaWiki:Common.js. -- 20:54, July 2, 2010 (UTC)
 * Hiya! Yep, Pcj is right. Check out the template pages at the Templates wiki for help: w:c:templates:Template:Title and w:c:templates:Template:USERNAME. These should get it working ;). Mark  ( talk ) 20:58, July 2, 2010 (UTC)