diff --git a/script.js b/script.js
index 27cb736..071e4b3 100644
--- a/script.js
+++ b/script.js
@@ -21,14 +21,24 @@ function initializeApp() {
 
 function setupEventListeners() {
     // Formulaire de développement
-    document.getElementById('url-form').addEventListener('submit', handleUrlFormSubmit);
+    const urlForm = document.getElementById('url-form');
+    if (urlForm) {
+        urlForm.addEventListener('submit', handleUrlFormSubmit);
+    }
     
     // Gestion de la navigation arrière/avant du navigateur
     window.addEventListener('popstate', handlePopState);
     
     // Gestionnaires pour la prévisualisation
-    document.getElementById('close-preview').addEventListener('click', hidePreview);
-    document.getElementById('download-file').addEventListener('click', downloadCurrentFile);
+    const closePreview = document.getElementById('close-preview');
+    if (closePreview) {
+        closePreview.addEventListener('click', hidePreview);
+    }
+    
+    const downloadFile = document.getElementById('download-file');
+    if (downloadFile) {
+        downloadFile.addEventListener('click', downloadCurrentFile);
+    }
 }
 
 function handlePopState(event) {
@@ -67,6 +77,8 @@ function handleUrlFormSubmit(event) {
     event.preventDefault();
     
     const urlInput = document.getElementById('minio-url');
+    if (!urlInput) return;
+    
     const minioUrl = urlInput.value.trim();
     
     if (!minioUrl) {
@@ -112,7 +124,9 @@ function updateConfigDisplay() {
 
 function showDevForm() {
     const devForm = document.getElementById('dev-form');
-    devForm.style.display = 'block';
+    if (devForm) {
+        devForm.style.display = 'block';
+    }
 }
 
 
@@ -120,31 +134,38 @@ function showError(message) {
     const errorSection = document.getElementById('error-section');
     const errorMessage = document.getElementById('error-message');
     
-    errorMessage.textContent = message;
-    errorSection.style.display = 'block';
+    if (errorMessage) {
+        errorMessage.textContent = message;
+    }
     
-    // Masquer l'erreur après 5 secondes
-    setTimeout(() => {
-        errorSection.style.display = 'none';
-    }, 5000);
+    if (errorSection) {
+        errorSection.style.display = 'block';
+        
+        // Masquer l'erreur après 5 secondes
+        setTimeout(() => {
+            errorSection.style.display = 'none';
+        }, 5000);
+    }
 }
 
 function showLoading(show = true) {
     const loading = document.getElementById('loading');
     const table = document.getElementById('files-table');
     
-    if (show) {
-        loading.style.display = 'block';
-        table.style.display = 'none';
-    } else {
-        loading.style.display = 'none';
-        table.style.display = 'table';
+    if (loading) {
+        loading.style.display = show ? 'block' : 'none';
+    }
+    
+    if (table) {
+        table.style.display = show ? 'none' : 'table';
     }
 }
 
 function updateCurrentPathDisplay() {
     const pathDisplay = document.getElementById('current-path');
-    pathDisplay.textContent = '/' + config.currentPath;
+    if (pathDisplay) {
+        pathDisplay.textContent = '/' + config.currentPath;
+    }
 }
 
 async function loadBucketContents(path = '', pushToHistory = true) {
@@ -292,6 +313,8 @@ function parseMinioXML(xmlText) {
 
 function displayContents(contents) {
     const tbody = document.getElementById('files-tbody');
+    if (!tbody) return;
+    
     tbody.innerHTML = '';
     
     // Bouton parent directory si on n'est pas à la racine
@@ -314,7 +337,10 @@ function displayContents(contents) {
     });
     
     // Afficher le tableau
-    document.getElementById('files-table').style.display = 'table';
+    const filesTable = document.getElementById('files-table');
+    if (filesTable) {
+        filesTable.style.display = 'table';
+    }
     
     // Chercher et ouvrir automatiquement index.rst s'il existe
     autoOpenIndexRst(contents.files);
@@ -473,6 +499,11 @@ function showPreview(fileUrl, fileName) {
     const previewTitle = document.getElementById('preview-title');
     const previewContent = document.getElementById('preview-content');
     
+    if (!previewSection || !previewTitle || !previewContent) {
+        console.error('Éléments de prévisualisation non trouvés');
+        return;
+    }
+    
     previewTitle.textContent = `Prévisualisation: ${fileName}`;
     previewContent.innerHTML = '<div style="text-align: center; padding: 20px;">Chargement...</div>';
     
@@ -585,7 +616,9 @@ function showUnsupportedPreview(fileName, container) {
 
 function hidePreview() {
     const previewSection = document.getElementById('preview-section');
-    previewSection.style.display = 'none';
+    if (previewSection) {
+        previewSection.style.display = 'none';
+    }
     
     currentPreviewFile = { url: '', name: '' };
 }