ed, so open it
                openBox(boxObj, buttonObj);
            } else if (boxObj.style.display == "block") {
                // Box is opened, so close it
                closeBox(boxObj, buttonObj);
            }
        }
        
        /**
        * Opens a collapseable box.
        *
        * @param boxObj       Collapseable box
        * @param buttonObj Button controlling box
        */
        function openBox(boxObj, buttonObj) {
            if (boxObj == null || buttonObj == null) {
    