diff --git a/wwwroot/js/site.js b/wwwroot/js/site.js
index 5f38933..f5b9dc8 100644
--- a/wwwroot/js/site.js
+++ b/wwwroot/js/site.js
@@ -4,6 +4,18 @@
 // Write your JavaScript code.
 $(function () {
     if ($("#login_card").length == 0) {
+        runAjaxTimer();
+    }
+});
+
+$(window).focus(function() {
+    if ($("#login_card").length == 0) {
+        runAjax();
+     }
+ });
+
+function runAjax() {
+    if (window.document.hasFocus()) {
         $.ajax({
             type: "GET",
             url: "/Index?handler=JsonData",
@@ -17,7 +29,13 @@ $(function () {
             }
         });
     }
-});
+}
+
+function runAjaxTimer() {
+    runAjax();
+    setTimeout(runAjaxTimer, 150000);
+}
+
 
 $("#json_data").change(function () {
     var jsonData = JSON.parse($("#json_data").val());