var timer;var timer1;var imgCount = 0;var speed = 0;document.getElementsByClassName('melelexxr')[0].onmouseover = function () {    window.clearInterval(timer1);}document.getElementsByClassName('melelexxr')[0].onmouseout = function () {    autoMove();}autoMove();//自动移动function autoMove() {    timer1 = window.setInterval(function () {        move1(1);    }, 1800);}//移动方法function move1(fx) {    window.clearInterval(timer);//关掉定时器    if (fx == 1)//判断向左还是向右        imgCount++;    else        imgCount--;    if (imgCount >= 3)//超出长度，变为第一张        imgCount = 0;    else if (imgCount < 0)        imgCount = 2;    var end = -1190 * imgCount;    var oImgMove = document.getElementsByClassName('melelexxrd')[0];    timer = window.setInterval(function () {        if (oImgMove.offsetLeft == end) {            window.clearInterval(timer);//关掉定时器            return;        }        speed = Math.ceil(Math.abs((Math.abs(end) - Math.abs(oImgMove.offsetLeft))) / 10);        document.getElementById('h1').innerText = speed;        //图片移动        if (oImgMove.offsetLeft > end)            oImgMove.style.left = oImgMove.offsetLeft - speed + 'px';        else if (oImgMove.offsetLeft < end)            oImgMove.style.left = oImgMove.offsetLeft + speed + 'px';    }, 20);}