// 视频
var videos = document.getelementbyid("video");
$(".video-btn").click(function() {
    console.log(1);
    $(".video-bg").fadein(500);
    videos.play();
})

$(".alerts").click(function() {
    $(".video-bg").fadeout(500);
    videos.pause();
});


// 第2屏滚动
(function() {
    var odiv = document.getelementbyid("marquee");
    var oul = odiv.getelementsbytagname('ul')[0];
    var ali = oul.getelementsbytagname('li');
    var speed = -1;
    oul.innerhtml += oul.innerhtml;
    oul.style.width = ali[0].offsetwidth * ali.length + 'px';

    function move() {
        if (oul.offsetleft < -oul.offsetwidth / 2) {
            oul.style.left = '0';
        }
        if (oul.offsetleft > 0) {
            oul.style.left = -oul.offsetwidth / 2 + 'px';
        }
        oul.style.left = oul.offsetleft + speed + 'px';
    }
    var timer = setinterval(move, 40);
    odiv.onmouseover = function() {
        clearinterval(timer);
    };
    odiv.onmouseout = function() {
        timer = setinterval(move, 40);
    };
})();


// 第3屏滚动
(function() {
    var odiv = document.getelementbyid("marquee2");
    var oul = odiv.getelementsbytagname('ul')[0];
    var ali = oul.getelementsbytagname('li');
    var speed = -1;
    oul.innerhtml += oul.innerhtml;
    oul.style.width = ali[0].offsetwidth * ali.length + 'px';

    function move() {
        if (oul.offsetleft < -oul.offsetwidth / 2) {
            oul.style.left = '0';
        }
        if (oul.offsetleft > 0) {
            oul.style.left = -oul.offsetwidth / 2 + 'px';
        }
        oul.style.left = oul.offsetleft + speed + 'px';
    }
    var timer = setinterval(move, 40);
    odiv.onmouseover = function() {
        clearinterval(timer);
    };
    odiv.onmouseout = function() {
        timer = setinterval(move, 40);
    };
})();