Index: rootcandy.js
===================================================================
--- rootcandy.js	(revision 46)
+++ rootcandy.js	(working copy)
@@ -11,4 +11,10 @@
    }
   )
  }
-)
\ No newline at end of file
+)
+
+$(document).ready(function() {
+  $("a[rel=external]").click(function() {
+    this.target = "_blank";
+  });
+});
Index: template.php
===================================================================
--- template.php	(revision 46)
+++ template.php	(working copy)
@@ -158,7 +158,7 @@
   $vars['hide_header'] = theme_get_setting('rootcandy_header_display');
 
   // append legal notice
-  $vars['closure'] .= '<div id="legal-notice">Theme created by <a href="http://sotak.co.uk" target="_blank">Marek Sotak</a></div>';
+  $vars['closure'] .= '<div id="legal-notice">Theme created by <a href="http://sotak.co.uk" rel="external">Marek Sotak</a></div>';
 
   $vars['hide_content'] = '';