diff --git a/head.php b/head.php
index 6dd146373e19110adbff5da423e6ac18bda1370e..11624ce5fc322b817aace7a4189a9ec26bbf6f3d 100644
--- a/head.php
+++ b/head.php
@@ -1,6 +1,6 @@
 <?php
 if (!$pageIsHome) {
-	
+
 	$pageTitle .= " - "  . "Cesium Ğ1";
 
 }
@@ -19,7 +19,7 @@ $bodyIds = !isset($bodyIds) ? '' : $bodyIds;
 		<title><?php echo $pageTitle; ?></title>
 		<link type="image/x-icon" rel="shortcut icon" href="<?php echo $rootURL; ?>/img/favicon.png" />
 		<meta name="generator" content="BorisPaing" />
-		
+
 
 		<meta name="description" content="<?php echo $pageDescription; ?>" />
 
@@ -27,83 +27,83 @@ $bodyIds = !isset($bodyIds) ? '' : $bodyIds;
 		<meta property="og:description" content="<?php echo $pageDescription; ?>" />
 		<meta property="og:url" content="http://cesium.app/" />
 		<meta property="og:site_name" content="Cesium Ğ1" />
-		
+
 		<meta property="og:image" content="<?php echo $rootURL . '/i18n/' . LANG_FOLDER . '/contents' . dgettext('menu', '/accueil') . dgettext('home', '/Cesium-G1-maquette.png'); ?>" />
 		<meta property="og:type" content="website" />
 
 		<meta name="twitter:description" content="<?php echo $pageDescription; ?>" />
 		<meta name="twitter:title" content="<?php echo $pageTitle; ?>" />
-		
+
 		<meta name="twitter:image" content="<?php echo $rootURL . '/i18n/' . LANG_FOLDER . '/contents' . dgettext('menu', '/accueil') . dgettext('home', '/Cesium-G1-maquette.png'); ?>" />
 		<meta name="twitter:card" content="summary_large_image" />
-		
+
 		<script type="text/javascript" src="<?php echo $rootURL; ?>/lib/lazyImg.min.js"></script>
-		
+
 		<?php
 		foreach ($availableLanguages as $isoCode => $v)
 		{
-			echo '<link rel="alternate" hreflang="'. $isoCode .'" href="'. $rootURL .'/'. $isoCode .'/" />'; 
+			echo '<link rel="alternate" hreflang="'. $isoCode .'" href="'. $rootURL .'/'. $isoCode .'/" />';
 		}
 		?>
-		
+
 		<?php
-		
+
 		if ($_SERVER['SERVER_NAME'] == 'localhost') {
-			
+
 			echo '
 			<link rel="stylesheet/less" type="text/css" href="' . $rootURL . '/lib/style.less" />
 			<script src="' . $rootURL . '/lib/less-3.9.0.min.js" ></script>
 			';
-		
+
 		} else {
-		
+
 			echo '<link rel="stylesheet" type="text/css" media="screen" href="' . $rootURL . '/lib/style.css" />';
-			
+
 		}
-		
+
 		?>
-		
+
 		<?php if (FUNDING_ALT) echo '<link type="text/css" rel="stylesheet" media="screen" href="'. $rootURL .'/lib/style-funding-alt-1.css" />'; ?>
-		
+
 	</head>
 	<body id="<?php echo $bodyIds; ?>">
 			<?php
 				$menu =
 					array(
 						[
-							'uri' => dgettext('menu', '/'), 
+							'uri' => dgettext('menu', '/'),
 							'label' => dgettext('menu', 'Accueil')
-						], 
+						],
 						[
-							'uri' => dgettext('menu', '/fonctionnalites'), 
+							'uri' => dgettext('menu', '/fonctionnalites'),
 							'label' => dgettext('menu', 'Fonctionnalités')
-						], 
+						],
 						[
-							'uri' => dgettext('menu', '/telechargement'), 
+							'uri' => dgettext('menu', '/telechargement'),
 							'label' => dgettext('menu', 'Télécharger')
 						],
-                                                [
-                                                        'uri' => 'https://demo.cesium.app', 
-                                                        'label' => dgettext('menu', 'Demo')
-                                                ],
+                        [
+                                'url' => 'https://demo.cesium.app',
+                                'label' => dgettext('menu', 'Demo')
+                        ],
 						[
-							'uri' => dgettext('menu', '/tutoriel-cesium') . '/', 
+							'uri' => dgettext('menu', '/tutoriel-cesium') . '/',
 							'label' => dgettext('menu', 'Tutoriel')
 						],
 						[
-							'uri' => dgettext('menu', '/merci'), 
-							'label' => '❤ ' . dgettext('menu', 'Encouragez-nous !'),  
+							'uri' => dgettext('menu', '/merci'),
+							'label' => '❤ ' . dgettext('menu', 'Encouragez-nous !'),
 							'class' => 'support-us'
 							// ❤
 						]
 					);
 			?>
-			
+
 			<header>
 				<?php
-				
+
 				$element = $pageIsHome ? 'h1' : 'h2';
-				
+
 				echo '
 				<'. $element .'>
 					<a href="'. parseURI("/") .'">
@@ -111,7 +111,7 @@ $bodyIds = !isset($bodyIds) ? '' : $bodyIds;
 					</a>
 				</'. $element .'>';
 				?>
-				
+
 				<p>
 					<a href="<?php echo parseURI("/"); ?>">
 						<img src="<?php echo $rootURL; ?>/lib/logo-cesium.svg" alt="logo Cesium Ğ1" />
@@ -130,16 +130,25 @@ $bodyIds = !isset($bodyIds) ? '' : $bodyIds;
 						for ($i = 0; $i < $itemsNb; ++$i)
 						{
 							$classes = '';
-							
-							$classes .= ($_SERVER['REQUEST_URI'] == parseURI($menu[$i]['uri'])) ? ' active' : '';
-							
+
+
 							$classes .= isset($menu[$i]['class']) ? ' '. $menu[$i]['class'] . '"' : '';
-							
+
+							if (isset($menu[$i]['uri'])) {
+
+								$classes .= ($_SERVER['REQUEST_URI'] == parseURI($menu[$i]['uri'])) ? ' active' : '';
+								$href = parseURI($menu[$i]['uri']);
+
+							} else {
+
+								$href = $menu[$i]['url'];
+							}
+
 							$classes = !empty($classes) ? ' class="'. $classes .'"' : '';
-							
+
 							echo '
 							<li'. $classes . '>
-								<a role="menuitem" href="'. parseURI($menu[$i]['uri']) . '">
+								<a role="menuitem" href="'. $href . '">
 									<span>'. $menu[$i]['label'] .'</span>
 								</a>
 							</li>';
@@ -149,5 +158,5 @@ $bodyIds = !isset($bodyIds) ? '' : $bodyIds;
 					</ul>
 				</nav>
 			</header>
-			
+
 			<main>