window.onload = function() {
    new Marquee(
    "divg", //容器ID
    0, //向上滚动(0向上 1向下 2向左 3向右)
    2, //滚动的步长
    410, //容器可视宽度
    192, //容器可视高度
    50, //定时器 数值越小，滚动的速度越快(1000=1秒,建议不小于20)
    2000, //间歇停顿时间(0为不停顿,1000=1秒)
    1000, //开始时的等待时间(0为不等待,1000=1秒)
    34 //间歇滚动间距(可选)
    );
};
function Marquee() {
    this.ID = document.getElementById(arguments[0]);
    this.Direction = arguments[1];
    this.Step = arguments[2];
    this.Width = arguments[3];
    this.Height = arguments[4];
    this.Timer = arguments[5];
    this.WaitTime = arguments[6];
    this.StopTime = arguments[7];
    if (arguments[8])
        this.ScrollStep = arguments[8];
    else
        this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
    this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
    this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
    this.ID.noWrap = true;
    this.ID.style.width = this.Width;
    this.ID.style.height = this.Height;
    this.ClientScroll = this.Direction > 1 ? this.ID.scrollWidth : this.ID.scrollHeight;
    this.ID.innerHTML += this.ID.innerHTML;
    this.Start(this, this.Timer, this.WaitTime, this.StopTime);
}
Marquee.prototype.Start = function(msobj, timer, waittime, stoptime) {
    msobj.StartID = function() {
        msobj.Scroll();
    }
    msobj.Continue = function() {
        if (msobj.MouseOver == 1)
            setTimeout(msobj.Continue, waittime);
        else {
            clearInterval(msobj.TimerID);
            msobj.CTL = msobj.Stop = 0;
            msobj.TimerID = setInterval(msobj.StartID, timer);
        }
    }
    msobj.Pause = function() {
        msobj.Stop = 1;
        clearInterval(msobj.TimerID);
        setTimeout(msobj.Continue, waittime);
    }
    msobj.Begin = function() {
        msobj.TimerID = setInterval(msobj.StartID, timer);
        msobj.ID.onmouseover = function() {
            msobj.MouseOver = 1;
            clearInterval(msobj.TimerID);
        }
        msobj.ID.onmouseout = function() {
            msobj.MouseOver = 0;
            if (msobj.Stop == 0) {
                clearInterval(msobj.TimerID);
                msobj.TimerID = setInterval(msobj.StartID, timer);
            }
        }
    }
    setTimeout(msobj.Begin, stoptime);
}
Marquee.prototype.Scroll = function() {
    switch (this.Direction) {
        case 0:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) {
                this.ID.scrollTop += this.ScrollStep + this.Step - this.CTL;
                this.Pause();
                return;
            }
            else {
                if (this.ID.scrollTop >= this.ClientScroll)
                    this.ID.scrollTop -= this.ClientScroll;
                this.ID.scrollTop += this.Step;
            }
            break;
        case 1:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) {
                this.ID.scrollTop -= this.ScrollStep + this.Step - this.CTL;
                this.Pause();
                return;
            }
            else {
                if (this.ID.scrollTop <= 0)
                    this.ID.scrollTop += this.ClientScroll;
                this.ID.scrollTop -= this.Step;
            }
            break;
        case 2:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) {
                this.ID.scrollLeft += this.ScrollStep + this.Step - this.CTL;
                this.Pause();
                return;
            }
            else {
                if (this.ID.scrollLeft >= this.ClientScroll)
                    this.ID.scrollLeft -= this.ClientScroll;
                this.ID.scrollLeft += this.Step;
            }
            break;
        case 3:
            this.CTL += this.Step;
            if (this.CTL >= this.ScrollStep && this.WaitTime > 0) {
                this.ID.scrollLeft -= this.ScrollStep + this.Step - this.CTL;
                this.Pause();
                return;
            }
            else {
                if (this.ID.scrollLeft <= 0)
                    this.ID.scrollLeft += this.ClientScroll;
                this.ID.scrollLeft -= this.Step;
            }
            break;
    }
}