Template:Navpop

// en:MediaWiki:Gadget-popups.js mw.loader.load( '//en.wikipedia.org/w/index.php?title=MediaWiki:Gadget-popups.js&action=raw&ctype=text/javascript&smaxage=21600&maxage=86400' );

Documentation

Template is for easy pasting of en:Wikipedia:Tools/Navigation popups code -- use {{subst:navpop}} in your common.js (or whatever skin used).