//首页藏品

function flashShow(o, o2) {
    //1 获取父节点
    var oParent = o.parentNode;
    var iCount = oParent.childNodes.length; //兄弟节点个数
    //2 获取索引值

    //o.className = "menu03li";
    for (var i = 0; i < iCount; i++) {
        if (oParent.childNodes[i] == o) {
            //o.className = "menu03liOnhover";
            oParent.childNodes[i].className = "menu03liOnhover";
            document.getElementById(o2).childNodes[i].style.display = "block";
        }
        else {
            oParent.childNodes[i].className = "menu03li";
            document.getElementById(o2).childNodes[i].style.display = "none";
        }
    }
}


var roll_lr = document.getElementById("roll_lr");
var roll_lr1 = document.getElementById("roll_lr1");
var roll_lr2 = document.getElementById("roll_lr2");

var speedLR = 30; //数值越大滚动速度越慢

roll_lr2.innerHTML = roll_lr1.innerHTML;
roll_lr.scrollLeft = roll_lr.scrollWidth;
//向左
function MarqueeLR() {
    if (roll_lr2.offsetWidth - roll_lr.scrollLeft <= 0)
        roll_lr.scrollLeft -= roll_lr1.offsetWidth;
    else {
        roll_lr.scrollLeft++;
    }
}
var MyMarLR = setInterval(MarqueeLR, speedLR);
roll_lr.onmouseover = function() { clearInterval(MyMarLR) };
roll_lr.onmouseout = function() { MyMarLR = setInterval(MarqueeLR, speedLR) };