Index: java/sql-vyuka/web/hlavni.js
===================================================================
--- java/sql-vyuka/web/hlavni.js	(revision 20:47de9e8ce93e)
+++ java/sql-vyuka/web/hlavni.js	(revision 21:b7574b90e272)
@@ -100,8 +100,10 @@
 function ajaxZobrazitHistorii() {
     if (ajax.readyState == 4 || ajax.readyState == 0) {
+        zobrazStav('Načítá se historie…');
         ajax.open("POST", 'ajax?akce=historie', true);
         ajax.onreadystatechange = function() {
             if (ajax.readyState == 4) {
                 zobrazVystup(ajax.responseText);
+                zobrazStav('');
             }
         };