Index: core/src/main/javascript/slot.js
===================================================================
--- core/src/main/javascript/slot.js	(revision 44326)
+++ core/src/main/javascript/slot.js	(revision 44327)
@@ -21,28 +21,28 @@
 var Slot;
 
 (function () {
-    if (window.localStorage) {
+    if (window.sessionStorage) {
         Slot = function LocalStorageSlot(name, val) {
-            window.localStorage.setItem(name, window.localStorage.getItem(name) || '');
+            window.sessionStorage.setItem(name, window.sessionStorage.getItem(name) || '');
 
             return object(function(method) {
                 method(getValue, function(self) {
-                    var val = window.localStorage.getItem(name);
+                    var val = window.sessionStorage.getItem(name);
                     return val ? val : '';
                 });
 
                 method(setValue, function(self, val) {
-                    window.localStorage.setItem(name, val || '');
+                    window.sessionStorage.setItem(name, val || '');
                 });
             });
         };
 
         existsSlot = function(name) {
-            return window.localStorage.getItem(name) != null;
+            return window.sessionStorage.getItem(name) != null;
         };
 
         removeSlot = function(name) {
-            window.localStorage.removeItem(name);
+            window.sessionStorage.removeItem(name);
         };
     } else {
         Slot = function CookieSlot(name, val) {