added jquery to highlight focus

uses variable {{ active }} passed to template

templates/newbase.html

@@ -113,7 +113,13 @@
     }
 });
 
-    </script> <!-- Resource jQuery -->
+    </script>
+    <script>
+      $(document).ready(function(){
+      var active = "#{{ active }}";
+      $(active).addClass("nav-active");
+      });
+      </script>
     {% analytical_head_bottom %}
   </head>
   
@@ -198,7 +204,7 @@
               <i class="fas fa-calendar-alt"></i>&nbsp;Plan
             </a>
           </li>
-          <li id="nav-teams" class="nav-active">
+          <li id="nav-teams">
             <a href="/rowers/new_teams">
               <i class="fas fa-bullhorn"></i>&nbsp;Teams
             </a>