                               Tristate charts
                                        <span class="sparktristate">1,1,0,1,-1,-1,1,-1,0,0,1,1</span><br> (think games won,
                                        lost or drawn)
                                    </p>

                                    <p>
                                        Tristate chart using a colour map:
                                        <span class="sparktristatecols">1,2,0,2,-1,-2,1,-2,0,0,1,1</span>
                       