diff --git a/nk_part3/logout.php b/nk_part3/logout.php
new file mode 100644
index 0000000..caae0c0
--- /dev/null
+++ b/nk_part3/logout.php
@@ -0,0 +1,6 @@
+<?php
+session_start();
+session_unset();
+session_destroy();
+header("Location: /?logout=1");
+?>
\ No newline at end of file
diff --git a/nk_part3/menu.php b/nk_part3/menu.php
new file mode 100644
index 0000000..475bcc3
--- /dev/null
+++ b/nk_part3/menu.php
@@ -0,0 +1,18 @@
+<ul>
+    <li><a href="/">HOME</a></li>
+    <li><a href="list.php">Vypsat knihu</a></li>
+    <li><a href="write.php">Zapsat do knihy</a></li>
+    <?php
+        if(isset($_SESSION["logged"])) {
+            echo '<li><a href="logout.php">Odhlásit se</a></li>';
+            if ($_SESSION["role"] == 1) {
+                echo '<li><a href="admin.php">ADMIN</a></li>';
+            }
+        } else {
+            echo '<li><a href="reg.php">Registrovat se</a></li>'; // kombinace uvozovek
+            echo "<li><a href=\"login.php\">Přihlásit se</a></li>"; //"escape" znaků
+        }
+    ?>
+    
+    
+</ul>
\ No newline at end of file
diff --git a/nk_part3/nk_part3.sql b/nk_part3/nk_part3.sql
new file mode 100644
index 0000000..e4f60b5
--- /dev/null
+++ b/nk_part3/nk_part3.sql
@@ -0,0 +1,56 @@
+-- Adminer 4.7.6 MySQL dump
+
+SET NAMES utf8;
+SET time_zone = '+00:00';
+SET foreign_key_checks = 0;
+SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO';
+
+DROP TABLE IF EXISTS `nk_log`;
+CREATE TABLE `nk_log` (
+  `id` int(11) NOT NULL,
+  `id_nk_users` int(11) unsigned NOT NULL,
+  `logintime` datetime NOT NULL,
+  KEY `id_nk_users` (`id_nk_users`),
+  CONSTRAINT `nk_log_ibfk_1` FOREIGN KEY (`id_nk_users`) REFERENCES `nk_users` (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_czech_ci;
+
+
+DROP TABLE IF EXISTS `nk_prispevky`;
+CREATE TABLE `nk_prispevky` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `id_nk_users` int(11) unsigned NOT NULL,
+  `title` varchar(128) COLLATE utf8_czech_ci NOT NULL,
+  `msg` text COLLATE utf8_czech_ci NOT NULL,
+  `created` datetime NOT NULL,
+  PRIMARY KEY (`id`),
+  KEY `id_nk_users` (`id_nk_users`),
+  CONSTRAINT `nk_prispevky_ibfk_1` FOREIGN KEY (`id_nk_users`) REFERENCES `nk_users` (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=utf8 COLLATE=utf8_czech_ci;
+
+INSERT INTO `nk_prispevky` (`id`, `id_nk_users`, `title`, `msg`, `created`) VALUES
+(1,	3,	'Lorem 1',	'Lorem Ipsum supres',	'2023-03-01 23:36:52'),
+(2,	2,	'Lorem 11',	'Lorem ipsumus loremos spravenost',	'2023-03-01 23:37:30'),
+(4,	9,	'Test z PHP',	'LOREM lipsum',	'2023-03-09 10:12:35'),
+(5,	10,	'Hodnocení',	'Je to tu boží, mám to tady rád ☺',	'2023-03-09 10:22:39'),
+(7,	1,	'Ctcrřtky jsou fajne v2',	'testxt',	'2023-03-23 09:57:45'),
+(8,	4,	'Zapis od Mod1',	'AHOJ DĚTI',	'2023-03-23 10:07:55');
+
+DROP TABLE IF EXISTS `nk_users`;
+CREATE TABLE `nk_users` (
+  `id` int(11) unsigned NOT NULL AUTO_INCREMENT,
+  `username` varchar(32) COLLATE utf8_czech_ci NOT NULL,
+  `password` varchar(64) COLLATE utf8_czech_ci NOT NULL,
+  `role` int(3) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=11 DEFAULT CHARSET=utf8 COLLATE=utf8_czech_ci;
+
+INSERT INTO `nk_users` (`id`, `username`, `password`, `role`) VALUES
+(1,	'admin',	'admin',	1),
+(2,	'user1',	'user1',	5),
+(3,	'user2',	'user2',	5),
+(4,	'mod1',	'mod1',	3),
+(5,	'mod2',	'mod2',	3),
+(9,	'asd',	'asd',	5),
+(10,	'xyz',	'xyz',	5);
+
+-- 2023-03-23 09:32:22
diff --git a/nk_part3/reg.php b/nk_part3/reg.php
new file mode 100644
index 0000000..d8d590e
--- /dev/null
+++ b/nk_part3/reg.php
@@ -0,0 +1,43 @@
+<?php
+session_start();
+include("init.php");
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <h1>Registrace</h1>
+    <?php
+    include "menu.php";
+    ?>
+    <?php
+    if(isset($_GET["error"])){
+        if ($_GET["error"] == "1") {
+            echo "<h2>Hesla nejsou stejná</h2>";
+        }
+    }
+?>
+    <form action="action_reg.php" method="post">
+        <label for="username">Přihlašovací jméno:</label><br>
+        <input type="text" name="username" id="username">
+        <br>
+
+        <label for="pw1">Heslo:</label><br>
+        <input type="password" name="pw1" id="pw1">
+        <br>
+
+        <label for="pw2">Opakovat heslo:</label><br>
+        <input type="password" name="pw2" id="pw2">
+        <br>
+
+        <br>
+        <input type="submit" value="Registrovat">
+
+    </form>
+</body>
+</html>
\ No newline at end of file
diff --git a/nk_part3/write.php b/nk_part3/write.php
new file mode 100644
index 0000000..22d9338
--- /dev/null
+++ b/nk_part3/write.php
@@ -0,0 +1,32 @@
+<?php
+session_start();
+include("init.php");
+
+if(!isset($_SESSION["logged"])){
+    header("Location: /?error=3"); //error 3 = přístup odepřen
+}
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Zápis do knihy</title>
+</head>
+<body>
+    <h1>Zápis do knihy</h1>
+    <?php
+    include "menu.php";
+    ?>
+    <form action="action_write.php" method="post">
+        <label for="title">Nadpis:</label><br>
+        <input type="text" name="title" id="title"><br>
+
+        <label for="msg">Zpráva do knihy:</label><br>
+        <textarea name="msg" id="msg" cols="30" rows="10"></textarea>
+        <br>
+        <input type="submit" value="Zapsat do knihy">
+    </form>
+</body>
+</html>
\ No newline at end of file
