first commit

src/static/js/localStorageAssist.js

@@ -0,0 +1,11 @@
+function ccn_localstorageAssist_Get(index, defaultValue) {
+    var cache = localStorage.getItem(index);
+    if (cache == null) {
+        ccn_localstorageAssist_Set(index, defaultValue);
+        return defaultValue;
+    } else return cache;
+}
+
+function ccn_localstorageAssist_Set(index, value) {
+    localStorage.setItem(index, value);
+}