update bootstrap

res/ntr_bootstrap.js

@@ -1,8 +1,11 @@
 document = {
   head: "",
   documentElement: {},
+  getElementsByTagName: function(tag) {
+    return [];
+  },
   querySelector: function(selector) {
-    return {};
+    return null;
   },
   querySelectorAll: function(selector) {
   },