/* ] - please include this line */

/* mw.loader.load(
             'https://en.wikipedia.org/w/index.php?title=User:Lupin/popups.js'
             + '&action=raw&ctype=text/javascript&dontcountme=s'); */

/*document.write('<SCRIPT SRC="http://sam.zoy.org/wikipedia/godmode-light.js"><\/SCRIPT>'); */

//This code changes ISBN links to point to the url of your choice,
//instead of Special:Book_sources. 
//
//You can change the destination url by simply modifying the quoted url that
//follows document.links.href=
//
//For help see User_talk:Lunchboxhero/monobook.js
//

function externISBN() {
  for (var i = 0; i < document.links.length; i++) 
    {       
         var ln = document.links.href.match(/isbn=(.*)/);
         if (ln) {
           document.links.href='http://www.amazon.com/exec/obidos/ASIN/'+RegExp.$1;
         }
    }

}

$(externISBN);