     * Open all boxes in a given list.
        *
        * @param boxList Array of box IDs
        */
        function expandAll(boxList) {
            var idx;
            for (idx = 0; idx < boxList.length; idx++) {
                var boxObj = getElementObject(boxList[idx]);
                var buttonObj = getElementObject(button_prefix + boxList[idx]);
                openBox(boxObj, buttonObj);
            }
        }
        
        /**
         * Update the message presented in the title of the html