public void initCityColour(LinkedList<Force> forceList)
    {
        int i;
        for (i = 0; i < forceList.size(); i++)
        {
            // prevent the programm from crashing
            if (forceList.get(i) == null)
                break;
            // Get the Force name and City Names for each force.
            updateCityColour(forceList.get(i).getForceName(), forceList.get(i).getCityList().get(0).getCityName());
        }
    }