var rollspeed = 40
cpzs2.innerHTML = cpzs1.innerHTML
function Marquee() {
    if (cpzs2.offsetTop - cpzs.scrollTop <= 0)
        cpzs.scrollTop -= cpzs1.offsetHeight
    else {
        cpzs.scrollTop++
    }
}
var MyMar = setInterval(Marquee, rollspeed)
cpzs.onmouseover = function() { clearInterval(MyMar) }
cpzs.onmouseout = function() { MyMar = setInterval(Marquee, rollspeed) }