private void setSelectDeselect(int cat, String itemName, boolean selected) {
        int catIndex = listOfIntegers.indexOf(cat);
        Vector<String> vect = listOfVectors.get(catIndex);
        int index = vect.indexOf(itemName);
        if (selected) {
            vect.set(index,DisplayConstants.OPT_USED + itemName);
        } else {
            index = vect.indexOf(DisplayConstants.OPT_USED + itemName);
            if (index == -1) {
                return;
            }
            vect.set(index, itemName);
        }
    }