diff --git a/static/php/insert.php b/static/php/insert.php
index 48c8126..09e5db2 100644
--- a/static/php/insert.php
+++ b/static/php/insert.php
@@ -79,5 +79,5 @@ $db = new database("./db/database.db");
 $query = createquery($_REQUEST["form"]);
 $db->query("$query[0]",$query[1]);
 
-$refer = (!empty($_SERVER["HTTP_REFERER"]) ? $_SERVER["HTTP_REFERER"] : "/");
+$refer = (!empty($_SERVER["HTTP_REFERER"]) ? $_SERVER["HTTP_REFERER"]."?odeslano" : "/");
 header("Location: ".$refer);
diff --git a/templates/index.html b/templates/index.html
index 2129c74..ab30a69 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -31,5 +31,7 @@
 			, {{ now() | date(format="%Y") }}
 		</p>
 	</footer>
+	{% block javascript %}
+	{% endblock javascript %}
 </body>
 </html>
diff --git a/templates/page.html b/templates/page.html
index 313d058..629f0e5 100644
--- a/templates/page.html
+++ b/templates/page.html
@@ -3,3 +3,14 @@
 {% block content %}
 	{{ page.content | safe }}
 {% endblock content %}
+
+{% block javascript %}
+<script>
+	const urlparams = new URLSearchParams(location.search)
+	for (const [key, value] of urlparams) {
+		if (key == "odeslano") {
+			alert("Formulář byl odeslán.");
+		}
+	}
+</script>
+{% endblock javascript %}