Index: gc_lang/fr/webext/content_scripts/init.js
==================================================================
--- gc_lang/fr/webext/content_scripts/init.js
+++ gc_lang/fr/webext/content_scripts/init.js
@@ -48,12 +48,14 @@
     oGCPanel: null,
 
     createMenus: function () {
         let lNode = document.getElementsByTagName("textarea");
         for (let xNode of lNode) {
-            this.lMenu.push(new GrammalecteMenu(this.nMenu, xNode));
-            this.nMenu += 1;
+            if (xNode.style.display !== "none" && xNode.style.visibility !== "hidden") {
+                this.lMenu.push(new GrammalecteMenu(this.nMenu, xNode));
+                this.nMenu += 1;
+            }
         }
     },
 
     rescanPage: function () {
         if (this.oTFPanel !== null) { this.oTFPanel.hide(); }