asic.css where textarea has a height
            // Set initial size to match initial content
            // heightUpdateFunction(aceInstance);

            // Whenever a change happens inside the ACE editor, update
            // the size again
            //editor.getSession().on('change', heightUpdateFunction);
            aceInstance.setValue(Text, cursorPos);
            return set_editor_mode(lang);
        } else {
            return null
        }
    }

    function set_editor_mode(lang){
        /