var speed = 30
function setImgeScroll(marquePic1, marquePic2, demo) {
    marquePic2.innerHTML = marquePic1.innerHTML

    var MyMar = setInterval(function () {
        Marquee(demo, marquePic1);
    }, speed);
    demo.onmouseover = function () { clearInterval(MyMar) }
    demo.onmouseout = function () {
        MyMar = setInterval(function () {
            Marquee(demo, marquePic1);
        }, speed);
    }
}
function Marquee(demo, marquePic1) {
    if (demo.scrollLeft >= marquePic1.scrollWidth) {
        demo.scrollLeft = 0
    } else {
        demo.scrollLeft++
    }
}