diff --git a/static/js/pad_editbar.js b/static/js/pad_editbar.js
index 71053d0c..9280bc7b 100644
--- a/static/js/pad_editbar.js
+++ b/static/js/pad_editbar.js
@@ -190,8 +190,11 @@ var padeditbar = (function()
       }
       else 
       {
-        $("#editbar ul#menu_right li:not(:nth-child(" + (modules.indexOf(moduleName) + 1) + "))").removeClass("selected");
-        $("#editbar ul#menu_right li:nth-child(" + (modules.indexOf(moduleName) + 1) + ")").toggleClass("selected");
+      	var nth_child = modules.indexOf(moduleName) + 1;
+      	if (nth_child > 0 && nth_child <= 3) {
+          $("#editbar ul#menu_right li:not(:nth-child(" + nth_child + "))").removeClass("selected");
+          $("#editbar ul#menu_right li:nth-child(" + nth_child + ")").toggleClass("selected");
+      	}
         //hide all modules that are not selected and show the selected one
         for(var i=0;i<modules.length;i++)
         {