User:Bradjw/monobook.js

function externISBN {

var magicURL = "http://www.amazon.ca/Lesley-Stowe-Fine-Foods-Cookbook/dp/0006395848/ref=pd_bbs_sr_1/702-4705470-1459259?ie=UTF8&s=books&qid=1177727438&sr=8-1"; var magicRegex = /MAGICNUMBER/ig; if(wgPageName != "Special:Booksources" && wgPageName != "Wikipedia:Book_sources"){ for (var i = 0; i < document.links.length; i++) {              if( document.links[i].href.match(/isbn=(.*)/) ) { document.links[i].href=magicURL.replace(magicRegex, RegExp.$1); }   }  } }

$(externISBN);