diff --git a/graphics/Boutons/bouton_commencer.png b/graphics/Boutons/bouton_commencer_choix.png
similarity index 100%
rename from graphics/Boutons/bouton_commencer.png
rename to graphics/Boutons/bouton_commencer_choix.png
diff --git a/static/MAIN.js b/static/MAIN.js
index 721cbc1..b66bdc6 100644
--- a/static/MAIN.js
+++ b/static/MAIN.js
@@ -250,9 +250,11 @@ function init_data(){
     boutons["valider"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_valider.png')
     boutons["choix_pose"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_pose.png')
     boutons["retirer"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_retirer.png')
-    boutons["commencer"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_commencer.png')
+    boutons["commencer_choix"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_commencer.png')
+    boutons["commencer_tuto"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_commencer_tuto.png')
     boutons["raz"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_raz.png')
     boutons["suivant"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_suivant.png')
+    boutons["suivant_grand"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_suivant_grand.png')
     boutons["avant"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_avant.png')
     boutons["raccourcis"] = new_image('https://raw.githubusercontent.com/PelissierCombescure/BVS-study/main/graphics/Boutons/bouton_raccourcis.png')