User:Lunchboxhero/externISBNtest.js

function externISBN() {

if (typeof magicURL=="string" && typeof book_source_URL=="undefined")

{

book_source_URL = magicURL;

}

var magicRegex = /MAGICNUMBER/ig;

if(wgPageName != "Special:BookSources" && !(wgTitle == "Book sources" && wgCanonicalNamespace == "Project"))

{

for (var i = 0; i < document.links.length; i++)

{

if(document.links[i].className.match(/internal mw-magiclink-isbn/))

{

document.links[i].href.match(/(\d+).*/)

document.links[i].href=book_source_URL.replace(magicRegex, RegExp.$1)

}

}

}

}

addOnloadHook(externISBN);