Tidied up login page/navbar.

www/js/navbar.js

@@ -20,6 +20,12 @@ async function navbarLogin(event){
         var user = document.querySelector("#username-prompt").value;
         var pass = document.querySelector("#password-prompt").value;
 
+        //If no user or pass is presented
+        if(user == "" || pass == ""){
+            //Go to login page
+            window.location = '/login'
+        }
+
         utils.ajax.login(user, pass);
     }
 }