Call a function if no routes found

vifib/static/js/jquery.urljs.js

@@ -47,7 +47,7 @@ $.extend({
                 this.list = this.list.slice(0, 0);
             },
 
-            search: function (hash, level) {
+            search: function (hash, level, failcallback, context) {
                 var stop = false,
                     i, j,
                     regex,
@@ -76,6 +76,9 @@ $.extend({
                     }
                     i -= 1;
                 }
+                if (stop === false) {
+                    failcallback.call(context);
+                }
             },
 
             isLastLevel: function () {