Added button to reset subscriber
diff --git a/views/ngXosViews/diagnostic/src/js/diagnostic.js b/views/ngXosViews/diagnostic/src/js/diagnostic.js
index 419dd7c..7d97fdb 100644
--- a/views/ngXosViews/diagnostic/src/js/diagnostic.js
+++ b/views/ngXosViews/diagnostic/src/js/diagnostic.js
@@ -10,23 +10,33 @@
 
         this.loader = true;
         this.error = false;
-        Subscribers.query().$promise
-        .then((subscribers) => {
-          this.subscribers = subscribers;
-          return ServiceRelation.get();
-        })
-        .then((serviceChain) => {
-          this.serviceChain = serviceChain;
-          // debug helper
-          loadSubscriber(this.subscribers[0]);
-        })
-        .catch(e => {
-          throw new Error(e);
-          this.error = e;
-        })
-        .finally(() => {
-          this.loader = false;
-        });
+        
+        const loadGlobalScope = () => {
+          Subscribers.query().$promise
+          .then((subscribers) => {
+            this.subscribers = subscribers;
+            return ServiceRelation.get();
+          })
+          .then((serviceChain) => {
+            this.serviceChain = serviceChain;
+            // debug helper
+            // loadSubscriber(this.subscribers[0]);
+          })
+          .catch(e => {
+            throw new Error(e);
+            this.error = e;
+          })
+          .finally(() => {
+            this.loader = false;
+          });
+        };
+
+        loadGlobalScope();
+
+        this.reloadGlobalScope = () => {
+          this.selectedSubscriber = null;
+          loadGlobalScope();
+        }
 
         const loadSubscriber = (subscriber) => {
           ServiceRelation.getBySubscriber(subscriber)