diff --git a/js/tracker.js b/js/tracker.js
index 26eeb9a..9f2eb0d 100644
--- a/js/tracker.js
+++ b/js/tracker.js
@@ -450,6 +450,10 @@ function load() {
         map.addLayer(launches);
     }
 
+    map.on('moveend', function (e) {
+        lhash_update();
+    });
+
     map.on('baselayerchange', function (e) {
         selectedLayer = e.layer.id;
     });
@@ -496,7 +500,8 @@ function load() {
                 var div = L.DomUtil.create('div');
         
                 div.innerHTML = '<select name="timeperiod" id="timeperiod" style="width:auto !important;height:30px;" onchange="clean_refresh(this.value)"><option value="1 hour">1 hour</option><option value="3 hours" selected="selected">3 hours</option><option value="6 hours">6 hours</option><option value="12 hours">12 hours</option></select>';
-        
+                div.innerHTML.onload = setTimeValue();
+
                 return div;
             },
         
@@ -561,6 +566,12 @@ function load() {
     }, 500);
 }
 
+function setTimeValue() {   
+    setTimeout(function() {
+        document.getElementById("timeperiod").value = wvar.mode;
+      }, 100);
+}
+
 function showLaunchSites() {
     if (!launches) {
         launches = new L.layerGroup([], {attribution: "© <a href='https://github.com/rs1729/RS/issues/15' target='_blank' rel='noopener'>rs1729</a>"});