typo

www/js/autodoc.js

@@ -190,7 +190,7 @@ $(window).bind("hashchange", function () {
 
 function change_page() {
   var args = document.location.hash.substr(1).split('_') || conf.default_hash.split('_');
-  var hash = anchor.shift();
+  var hash = args.shift();
   
   if (!$("#autodoc_tab_" + hash).length) {
     hash = conf.default_hash;