diff --git a/core/class/layout.class.php b/core/class/layout.class.php
index e44d5eb..848e6c8 100644
--- a/core/class/layout.class.php
+++ b/core/class/layout.class.php
@@ -913,7 +913,7 @@ class layout extends common
                     if (is_dir(self::DATA_DIR . $key)) {
                         $c++;
                         $location = helper::baseUrl() . 'language/content/' . $key;
-                        $leftItem .= '<option name="' . $key . '" value="' . $location . '" ' . ($key === self::$classesContent ? 'selected' : '') . '>' . $value . '</option>';
+                        $leftItem .= '<option name="' . $key . '" value="' . $location . '" ' . ($key === self::$courseContent ? 'selected' : '') . '>' . $value . '</option>';
                     }
                 }
                 if ($c > 1) {
diff --git a/core/class/router.class.php b/core/class/router.class.php
index d248759..61fb36e 100644
--- a/core/class/router.class.php
+++ b/core/class/router.class.php
@@ -611,10 +611,10 @@ class core extends common
 		$inlineScript[] = $this->getData(['page', $this->getUrl(0), 'js']) === null ? '' : $this->getData(['page', $this->getUrl(0), 'js']);
 
 		// Importe le contenu, le CSS et le script des barres
-		$contentRight = $this->getData(['page', $this->getUrl(0), 'barRight']) ? $this->getPage($this->getData(['page', $this->getUrl(0), 'barRight']), self::$classesContent) : '';
+		$contentRight = $this->getData(['page', $this->getUrl(0), 'barRight']) ? $this->getPage($this->getData(['page', $this->getUrl(0), 'barRight']), self::$courseContent) : '';
 		$inlineStyle[] = $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barRight']), 'css']) === null ? '' : $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barRight']), 'css']);
 		$inlineScript[] = $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barRight']), 'js']) === null ? '' : $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barRight']), 'js']);
-		$contentLeft = $this->getData(['page', $this->getUrl(0), 'barLeft']) ? $this->getPage($this->getData(['page', $this->getUrl(0), 'barLeft']), self::$classesContent) : '';
+		$contentLeft = $this->getData(['page', $this->getUrl(0), 'barLeft']) ? $this->getPage($this->getData(['page', $this->getUrl(0), 'barLeft']), self::$courseContent) : '';
 		$inlineStyle[] = $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barLeft']), 'css']) === null ? '' : $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barLeft']), 'css']);
 		$inlineScript[] = $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barLeft']), 'js']) === null ? '' : $this->getData(['page', $this->getData(['page', $this->getUrl(0), 'barLeft']), 'js']);
 
@@ -632,7 +632,7 @@ class core extends common
 
 			$this->addOutput([
 				'title' => $title,
-				'content' => $this->getPage($this->getUrl(0), self::$classesContent),
+				'content' => $this->getPage($this->getUrl(0), self::$courseContent),
 				'metaDescription' => $this->getData(['page', $this->getUrl(0), 'metaDescription']),
 				'metaTitle' => $this->getData(['page', $this->getUrl(0), 'metaTitle']),
 				'typeMenu' => $this->getData(['page', $this->getUrl(0), 'typeMenu']),
@@ -658,7 +658,7 @@ class core extends common
 					: $this->getData(['page', $this->getUrl(0), 'metaDescription']);
 
 				// Importe le CSS de la page principale
-				$pageContent = $this->getPage($this->getUrl(0), self::$classesContent);
+				$pageContent = $this->getPage($this->getUrl(0), self::$courseContent);
 
 				$this->addOutput([
 					'title' => $title,
diff --git a/core/core.php b/core/core.php
index d8239ca..1d13614 100644
--- a/core/core.php
+++ b/core/core.php
@@ -26,10 +26,9 @@ class common
 	const DISPLAY_LAYOUT_LIGHT = 5;
 	const GROUP_BANNED = -1;
 	const GROUP_VISITOR = 0;
-	const GROUP_MEMBER = 1;
-	const GROUP_EDITOR = 2;
+	const GROUP_STUDENT = 1;
+	const GROUP_TEACHER = 2;
 	// Groupe MODERATOR, compatibilité avec les anciens modules :
-	const GROUP_MODERATOR = 2;
 	const GROUP_ADMIN = 3;
 	const SIGNATURE_ID = 1;
 	const SIGNATURE_PSEUDO = 2;
@@ -170,7 +169,7 @@ class common
 	// Langue de l'interface sélectionnée
 	public static $i18nUI = 'fr_FR';
 	// Langues de contenu
-	public static $classesContent = '';
+	public static $courseContent = 'home';
 	public static $languages = [
 		'de' => 'Deutsch',
 		'en_EN' => 'English',
@@ -302,23 +301,23 @@ class common
 		// Extraction de la sesion
 		// $this->input['_SESSION'] = $_SESSION;
 
-		// Déterminer la langue du contenu du site
+		// Déterminer le contenu du site
 		if (isset($_SESSION['ZWII_COURSE'])) {
 			// Déterminé par la session présente
-			self::$classesContent = $_SESSION['ZWII_COURSE'];
+			self::$courseContent = $_SESSION['ZWII_COURSE'];
 		}
 
 		// Instanciation de la classe des entrées / sorties
-		$this->jsonDB(self::$classesContent);
+		$this->jsonDB(self::$courseContent);
 
 		// Installation fraîche, initialisation des modules
 		if ($this->user === []) {
 			foreach ($this->dataFiles as $stageId => $item) {
-				$folder = $this->dataPath($stageId, self::$classesContent);
+				$folder = $this->dataPath($stageId, self::$courseContent);
 				if (
 					file_exists($folder . $stageId . '.json') === false
 				) {
-					$this->initData($stageId, self::$classesContent);
+					$this->initData($stageId, self::$courseContent);
 					common::$coreNotices[] = $stageId;
 				}
 			}
diff --git a/core/module/maintenance/maintenance.php b/core/module/maintenance/maintenance.php
index a51ce6f..8b99f71 100644
--- a/core/module/maintenance/maintenance.php
+++ b/core/module/maintenance/maintenance.php
@@ -41,7 +41,7 @@ class maintenance extends common
 					? ''
 					: $this->getData(['page', $this->getData(['config', 'page302']), 'title']),
 				//'content' => $this->getdata(['page',$this->getData(['config','page302']),'content']),
-				'content' => $this->getPage($this->getData(['config', 'page302']), self::$classesContent),
+				'content' => $this->getPage($this->getData(['config', 'page302']), self::$courseContent),
 				'view' => 'index'
 			]);
 		} else {
diff --git a/core/module/page/page.php b/core/module/page/page.php
index 5968659..c35b034 100644
--- a/core/module/page/page.php
+++ b/core/module/page/page.php
@@ -174,11 +174,11 @@ class page extends common
 				]
 			]);
 			// Creation du contenu de la page
-			if (!is_dir(self::DATA_DIR . self::$classesContent . '/content')) {
-				mkdir(self::DATA_DIR . self::$classesContent . '/content', 0755);
+			if (!is_dir(self::DATA_DIR . self::$courseContent . '/content')) {
+				mkdir(self::DATA_DIR . self::$courseContent . '/content', 0755);
 			}
-			//file_put_contents(self::DATA_DIR . self::$classesContent . '/content/' . $pageId . '.html', '<p>Contenu de votre nouvelle page.</p>');
-			$this->setPage($pageId, '<p>Contenu de votre nouvelle page.</p>', self::$classesContent);
+			//file_put_contents(self::DATA_DIR . self::$courseContent . '/content/' . $pageId . '.html', '<p>Contenu de votre nouvelle page.</p>');
+			$this->setPage($pageId, '<p>Contenu de votre nouvelle page.</p>', self::$courseContent);
 
 			// Met à jour le sitemap
 			$this->updateSitemap();
@@ -279,8 +279,8 @@ class page extends common
 			}
 			// Effacer la page
 			$this->deleteData(['page', $page]);
-			if (file_exists(self::DATA_DIR . self::$classesContent . '/content/' . $page . '.html')) {
-				unlink(self::DATA_DIR . self::$classesContent . '/content/' . $page . '.html');
+			if (file_exists(self::DATA_DIR . self::$courseContent . '/content/' . $page . '.html')) {
+				unlink(self::DATA_DIR . self::$courseContent . '/content/' . $page . '.html');
 			}
 			$this->deleteData(['module', $page]);
 
@@ -369,8 +369,8 @@ class page extends common
 					// Supprime l'ancienne page si l'id a changée
 					if ($pageId !== $this->getUrl(2)) {
 						$this->deleteData(['page', $this->getUrl(2)]);
-						if (file_exists(self::DATA_DIR . self::$classesContent . '/content/' . $this->getUrl(2) . '.html')) {
-							unlink(self::DATA_DIR . self::$classesContent . '/content/' . $this->getUrl(2) . '.html');
+						if (file_exists(self::DATA_DIR . self::$courseContent . '/content/' . $this->getUrl(2) . '.html')) {
+							unlink(self::DATA_DIR . self::$courseContent . '/content/' . $this->getUrl(2) . '.html');
 						}
 					}
 					// Traitement des pages spéciales affectées dans la config :
@@ -508,11 +508,11 @@ class page extends common
 					]);
 
 					// Creation du contenu de la page
-					if (!is_dir(self::DATA_DIR . self::$classesContent . '/content')) {
-						mkdir(self::DATA_DIR . self::$classesContent . '/content', 0755);
+					if (!is_dir(self::DATA_DIR . self::$courseContent . '/content')) {
+						mkdir(self::DATA_DIR . self::$courseContent . '/content', 0755);
 					}
 					$content = empty($this->getInput('pageEditContent', null)) ? '<p></p>' : str_replace('<p></p>', '<p>&nbsp;</p>', $this->getInput('pageEditContent', null));
-					$this->setPage($pageId, $content, self::$classesContent);
+					$this->setPage($pageId, $content, self::$courseContent);
 
 					// Met à jour le sitemap
 					$this->updateSitemap();
diff --git a/core/module/page/view/edit/edit.php b/core/module/page/view/edit/edit.php
index d422947..6186800 100644
--- a/core/module/page/view/edit/edit.php
+++ b/core/module/page/view/edit/edit.php
@@ -108,7 +108,7 @@
 		<div class="col12">
 			<?php echo template::textarea('pageEditContent', [
 				'class' => 'editorWysiwyg',
-				'value' => $this->getPage($this->getUrl(2), self::$classesContent)
+				'value' => $this->getPage($this->getUrl(2), self::$courseContent)
 			]); ?>
 		</div>
 	</div>
diff --git a/core/module/plugin/plugin.php b/core/module/plugin/plugin.php
index c9b9814..9ff897c 100644
--- a/core/module/plugin/plugin.php
+++ b/core/module/plugin/plugin.php
@@ -537,19 +537,19 @@ class plugin extends common
 								$infoModules[$pagesInfos[$keyi18n][$keyPage]['moduleId']]['version'],
 								template::flag($keyi18n, '20px') . '&nbsp<a href ="' . helper::baseUrl() . $keyPage . '" target="_blank">' . $pagesInfos[$keyi18n][$keyPage]['title'] . ' (' . $keyPage . ')</a>',
 								template::button('dataExport' . $keyPage, [
-									'href' => helper::baseUrl() . $this->getUrl(0) . '/dataExport/filemanager/' . self::$classesContent . '/' . $pagesInfos[$keyi18n][$keyPage]['moduleId'] . '/' . $keyPage,
+									'href' => helper::baseUrl() . $this->getUrl(0) . '/dataExport/filemanager/' . self::$courseContent . '/' . $pagesInfos[$keyi18n][$keyPage]['moduleId'] . '/' . $keyPage,
 									// appel de fonction vaut exécution, utiliser un paramètre
 									'value' => template::ico('download-cloud'),
 									'help' => 'Sauvegarder les données du module dans le gestionnaire de fichiers'
 								]),
 								template::button('dataExport' . $keyPage, [
-									'href' => helper::baseUrl() . $this->getUrl(0) . '/dataExport/download/' . self::$classesContent . '/' . $pagesInfos[$keyi18n][$keyPage]['moduleId'] . '/' . $keyPage,
+									'href' => helper::baseUrl() . $this->getUrl(0) . '/dataExport/download/' . self::$courseContent . '/' . $pagesInfos[$keyi18n][$keyPage]['moduleId'] . '/' . $keyPage,
 									// appel de fonction vaut exécution, utiliser un paramètre
 									'value' => template::ico('download'),
 									'help' => 'Sauvegarder et télécharger les données du module'
 								]),
 								template::button('dataDelete' . $keyPage, [
-									'href' => helper::baseUrl() . $this->getUrl(0) . '/dataDelete/' . self::$classesContent . '/' . $pagesInfos[$keyi18n][$keyPage]['moduleId'] . '/' . $keyPage,
+									'href' => helper::baseUrl() . $this->getUrl(0) . '/dataDelete/' . self::$courseContent . '/' . $pagesInfos[$keyi18n][$keyPage]['moduleId'] . '/' . $keyPage,
 									// appel de fonction vaut exécution, utiliser un paramètre
 									'value' => template::ico('trash'),
 									'class' => 'buttonRed dataDelete',
diff --git a/module/search/search.php b/module/search/search.php
index 8e82d37..b5e5f53 100644
--- a/module/search/search.php
+++ b/module/search/search.php
@@ -213,8 +213,8 @@ class search extends common
 					) {
 						$url = $parentId;
 						$titre = $this->getData(['page', $parentId, 'title']);
-						//$content = file_get_contents(self::DATA_DIR . self::$classesContent . '/content/' . $this->getData(['page', $parentId, 'content']));
-						$content = $this->getPage($parentId, self::$classesContent);
+						//$content = file_get_contents(self::DATA_DIR . self::$courseContent . '/content/' . $this->getData(['page', $parentId, 'content']));
+						$content = $this->getPage($parentId, self::$courseContent);
 						$content = $titre . ' ' . $content;
 						// Pages sauf pages filles et articles de blog
 						$tempData = $this->occurrence($url, $titre, $content, $motclef, self::$motentier);
@@ -232,8 +232,8 @@ class search extends common
 						) {
 							$url = $childId;
 							$titre = $this->getData(['page', $childId, 'title']);
-							//$content = file_get_contents(self::DATA_DIR . self::$classesContent . '/content/' . $this->getData(['page', $childId, 'content']));
-							$content = $this->getPage($childId, self::$classesContent);
+							//$content = file_get_contents(self::DATA_DIR . self::$courseContent . '/content/' . $this->getData(['page', $childId, 'content']));
+							$content = $this->getPage($childId, self::$courseContent);
 							$content = $titre . ' ' . $content;
 							//Pages filles
 							$tempData = $this->occurrence($url, $titre, $content, $motclef, self::$motentier);