update time dropdown from URL

Author: LukePrior

js/tracker.js

@@ -500,7 +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;
             },
 
@@ -565,6 +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>"});