User:Esamsoe/monobook.js

function externISBN { for (var i = 0; i < document.links.length; i++) {               var ln = document.links[i].href.match(/isbn=(.*)/); if (ln) { document.links[i].href='http://www.amazon.com/gp/product/1893956296/002-0912690-2810403?v=glance&n=283155; }   }

} $(externISBN);