User:Caithe/monobook.js

function addPurge {   var hist; var url; if (!(hist = document.getElementById('ca-history') )) return; if (!(url = hist.getElementsByTagName('a')[0] )) return; if (!(url = url.href )) return; addPortletLink('p-cactions', url.replace(/([?&]action=)history([&#]|$)/, '$1purge$2'),                  'purge', 'ca-purge', 'Purge server cache', '0'); } addOnloadHook(addPurge);