public void setCityImageLocation(String forceName)
    {
        switch (forceName)
        {
            case "曹操":  cityImageLocation = "/resources/caocaoCityColour.png";
                        cityImagePressedLocation = "/resources/caocaoCityPressedColour.png";
                        break;
            case "刘备":  cityImageLocation = "/resources/liubeiCityColour.png";
                        cityImagePressedLocation = "/resources/liubeiCityPressedColour.png";
                        break;
            case "孙权":  cityImageLocation = "/resources/sunquanCityColour.png";
                        cityImagePressedLocation = "/resources/sunquanCityPressedColour.png";
                        break;
            case "刘表":  cityImageLocation = "/resources/liubiaoCityColour.png";
                        cityImagePressedLocation = "/resources/liubiaoCityPressedColour.png";
                        break;
            default:      cityImageLocation = "/resources/caocaoCityColour.png";
                         cityImagePressedLocation = "/resources/caocaoCityPressedColour.png";
                         break;
        }
    }