diff --git a/article_overview.php b/article_overview.php
index bcbc141..18a92ec 100644
--- a/article_overview.php
+++ b/article_overview.php
@@ -22,7 +22,7 @@
         .low-stock {
             color: red; /* Schriftfarbe auf Orange ändern */
         }
-		
+        
         /* Stil für die Zeilen, deren Ablaufdatum innerhalb von 10 Tagen liegt */
         .expiring td {
             color: red; /* Schriftfarbe auf Rot ändern */
@@ -38,6 +38,7 @@
                 <li><a href="index.php">Home</a></li>
                 <li><a href="add_material_form.php">Artikel hinzufügen</a></li>
                 <li><a href="article_overview.php">Artikel Übersicht</a></li>
+				<li><a href="backup_restore.php">Backup</a></li>
             </ul>
         </nav>
     </div>
@@ -67,89 +68,99 @@
             <th>Aktionen</th>
         </tr>
         <?php
-// Datenbankverbindung herstellen
-include_once 'config/config.php';
+        // Protokollierungsereignis einbinden
+        include_once 'log_event.php';
 
-// Verbindung zur Datenbank herstellen
-$conn = new mysqli($host, $username, $password, $database);
-if ($conn->connect_error) {
-    die("Verbindung zur Datenbank fehlgeschlagen: " . $conn->connect_error);
-}
+        // Datenbankverbindung herstellen
+        include_once 'config/config.php';
 
-// SQL-Abfrage vorbereiten
-$sql = "SELECT * FROM materials";
+        // Verbindung zur Datenbank herstellen
+        $conn = new mysqli($host, $username, $password, $database);
+        if ($conn->connect_error) {
+            die("Verbindung zur Datenbank fehlgeschlagen: " . $conn->connect_error);
+        }
 
-// Wenn nach einem Artikel gesucht wird
-if(isset($_GET['search']) && !empty($_GET['search'])){
-    $search = $_GET['search'];
-    $sql .= " WHERE 
+        // SQL-Abfrage vorbereiten
+        $sql = "SELECT * FROM materials";
+
+        // Wenn nach einem Artikel gesucht wird
+        if(isset($_GET['search']) && !empty($_GET['search'])){
+            $search = $_GET['search'];
+            $sql .= " WHERE 
                 item_name LIKE '%" . $search . "%' OR 
                 manufacturer LIKE '%" . $search . "%' OR 
                 location LIKE '%" . $search . "%' OR 
                 barcode LIKE '%" . $search . "%'";
-}
-
-$result = $conn->query($sql);
-
-if ($result->num_rows > 0) {
-    // Daten ausgeben
-    while($row = $result->fetch_assoc()) {
-        $expiration_date = date("d.m.Y", strtotime($row["expiration_date"]));
-        $notification_days = intval($row["notification_days"]); // Tage vor dem Ablaufdatum aus der Datenbank lesen
-        $ten_days_before_expiry = date("d.m.Y", strtotime("-" . $notification_days . " days", strtotime($row["expiration_date"]))); // Tage vor dem Ablaufdatum berechnen
-        $current_date = date("d.m.Y"); // Aktuelles Datum
-
-        echo "<tr";
-        if (strtotime($current_date) >= strtotime($ten_days_before_expiry) && strtotime($current_date) <= strtotime($expiration_date)) {
-            echo " class='expiring'"; // Klasse 'expiring' hinzufügen
         }
-        echo ">";
 
-        echo "<td";
-        if (strtotime($current_date) >= strtotime($ten_days_before_expiry) && strtotime($current_date) <= strtotime($expiration_date)) {
-            echo " style='color: red;'"; // Schriftfarbe auf Rot setzen
-        }
-        echo ">" . $row["item_name"] . "</td>";
-        echo "<td>" . $row["manufacturer"] . "</td>";
-        echo "<td>" . $row["location"] . "</td>";
-        echo "<td>" . $row["amount_should"] . "</td>";
-        echo "<td";
-        if ($row["amount_is"] < $row["amount_should"]) {
-            echo " class='low-stock'";
-        }
-        echo ">" . $row["amount_is"] . "</td>";
-        echo "<td>" . $expiration_date . "</td>";
-        echo "<td>" . $row["barcode"] . "</td>";
-        echo "<td>";
-        if (!empty($row["image"])) {
-            echo "<img src='" . $row["image"] . "' alt='Bild' style='width: 50px; height: 50px;' onclick='toggleEditForm(" . $row["id"] . ")'>";
+        $result = $conn->query($sql);
+
+        if ($result->num_rows > 0) {
+            // Daten ausgeben
+            while($row = $result->fetch_assoc()) {
+                $expiration_date = date("d.m.Y", strtotime($row["expiration_date"]));
+                $notification_days = intval($row["notification_days"]); // Tage vor dem Ablaufdatum aus der Datenbank lesen
+                $ten_days_before_expiry = date("d.m.Y", strtotime("-" . $notification_days . " days", strtotime($row["expiration_date"]))); // Tage vor dem Ablaufdatum berechnen
+                $current_date = date("d.m.Y"); // Aktuelles Datum
+
+                echo "<tr";
+                if (strtotime($current_date) >= strtotime($ten_days_before_expiry) && strtotime($current_date) <= strtotime($expiration_date)) {
+                    echo " class='expiring'"; // Klasse 'expiring' hinzufügen
+                }
+                echo ">";
+
+                echo "<td";
+                if (strtotime($current_date) >= strtotime($ten_days_before_expiry) && strtotime($current_date) <= strtotime($expiration_date)) {
+                    echo " style='color: red;'"; // Schriftfarbe auf Rot setzen
+                }
+                echo ">" . $row["item_name"] . "</td>";
+                echo "<td>" . $row["manufacturer"] . "</td>";
+                echo "<td>" . $row["location"] . "</td>";
+                echo "<td>" . $row["amount_should"] . "</td>";
+                echo "<td";
+                if ($row["amount_is"] < $row["amount_should"]) {
+                    echo " class='low-stock'";
+                }
+                echo ">" . $row["amount_is"] . "</td>";
+                echo "<td>" . $expiration_date . "</td>";
+                echo "<td>" . $row["barcode"] . "</td>";
+                echo "<td>";
+                if (!empty($row["image"])) {
+                    echo "<img src='" . $row["image"] . "' alt='Bild' style='width: 50px; height: 50px;' onclick='toggleEditForm(" . $row["id"] . ")'>";
+                } else {
+                    echo "<img src='img/free.png' alt='Standardbild' style='width: 50px; height: 50px;' onclick='toggleEditForm(" . $row["id"] . ")'>";
+                }
+                echo "</td>";
+                echo "<td><img src='img/bearbeiten.png' alt='Bearbeiten' style='width: 20px; height: 20px;' onclick='toggleEditForm(" . $row["id"] . ")'> &nbsp; | &nbsp; <a href='remove_article.php?id=" . $row["id"] . "' onclick='return confirmDelete();'><img src='img/delete.png' alt='Löschen' style='width: 20px; height: 20px;' ></a></td>";
+
+                echo "</tr>";
+                // Bearbeitungsformular für jedes Element einfügen
+                echo "<tr class='edit-form' id='edit-form-" . $row["id"] . "'><td colspan='9'>
+                    <form id='form-" . $row["id"] . "' onsubmit='updateItem(event, " . $row["id"] . ")'>
+                        <input type='text' name='name' value='" . $row["item_name"] . "'>
+                        <input type='text' name='manufacturer' value='" . $row["manufacturer"] . "'>
+                        <input type='text' name='location' value='" . $row["location"] . "'>
+                        <input type='number' name='amount_should' value='" . $row["amount_should"] . "'>
+                        <input type='number' name='amount_is' value='" . $row["amount_is"] . "'>
+                        <input type='date' name='expiration_date' value='" . $row["expiration_date"] . "'>
+                        <input type='text' name='barcode' value='" . $row["barcode"] . "'>
+                        <input type='hidden' name='id' value='" . $row["id"] . "'>
+                        <input type='submit' value='Speichern'>
+                    </form>
+                </td></tr>";
+
+                // Loggen des Löschens eines Artikels
+                echo "<script>function confirmDelete" . $row["id"] . "() {
+                    if(confirm('Möchten Sie diesen Artikel wirklich löschen?')) {
+                        window.location.href = 'remove_article.php?id=" . $row["id"] . "';
+                    }
+                }</script>";
+            }
         } else {
-            echo "<img src='img/free.png' alt='Standardbild' style='width: 50px; height: 50px;' onclick='toggleEditForm(" . $row["id"] . ")'>";
+            echo "<tr><td colspan='9'>Keine Artikel gefunden</td></tr>";
         }
-        echo "</td>";
-        echo "<td><img src='img/bearbeiten.png' alt='Bearbeiten' style='width: 20px; height: 20px;' onclick='toggleEditForm(" . $row["id"] . ")'> &nbsp; | &nbsp; <a href='remove_article.php?id=" . $row["id"] . "' onclick='return confirmDelete();'><img src='img/delete.png' alt='Löschen' style='width: 20px; height: 20px;' ></a></td>";
-
-        echo "</tr>";
-        // Bearbeitungsformular für jedes Element einfügen
-        echo "<tr class='edit-form' id='edit-form-" . $row["id"] . "'><td colspan='9'>
-                <form id='form-" . $row["id"] . "' onsubmit='updateItem(event, " . $row["id"] . ")'>
-                    <input type='text' name='name' value='" . $row["item_name"] . "'>
-                    <input type='text' name='manufacturer' value='" . $row["manufacturer"] . "'>
-                    <input type='text' name='location' value='" . $row["location"] . "'>
-                    <input type='number' name='amount_should' value='" . $row["amount_should"] . "'>
-                    <input type='number' name='amount_is' value='" . $row["amount_is"] . "'>
-                    <input type='date' name='expiration_date' value='" . $row["expiration_date"] . "'>
-                    <input type='text' name='barcode' value='" . $row["barcode"] . "'>
-                    <input type='hidden' name='id' value='" . $row["id"] . "'>
-                    <input type='submit' value='Speichern'>
-                </form>
-            </td></tr>";
-    }
-} else {
-    echo "<tr><td colspan='9'>Keine Artikel gefunden</td></tr>";
-}
-$conn->close();
-?>
+        $conn->close();
+        ?>
     </table>
 </div>