--- external.js.orig	2011-01-28 11:00:03.000000000 +0000
+++ external.js	2011-01-28 10:58:07.000000000 +0000
@@ -1,7 +1,7 @@
 // $Id: external.js,v 1.8 2010/03/22 19:12:55 mcrittenden Exp $
 Drupal.behaviors.external = function(context) {
   // Open external links in new tabs.
-  $("a[href^=http://]", context).each(function() {
+  $("a[href^=http://], a[href^=https://]", context).each(function() {
     if(this.href.toLowerCase().indexOf(location.hostname) == -1) {
       $(this).click(externalNewWindow);
     }