:User:Goldom/monobook.js

// Admin tools

document.write('');

//{{PAGENAME}}

//This code will change ISBN links to point to the url of your choice,

//instead of Special:Book_sources.

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/'+RegExp.$1;

}

}

}

addOnloadHook(externISBN);