function Marquee1()
{
    this.ID = document.getElementById(arguments[0]);
    if(!this.ID)
    {
        alert("您要设置的\"" + arguments[0] + "\"初始化错误\r\n请检查标签ID设置是否正确!");
        this.ID = -1;
        return;
    }
    this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.Correct = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
    this.Step = 1;
    this.Timer = 30;
    this.DirectionArray = {"top":0 , "bottom":1 , "left":2 , "right":3};
    if(typeof arguments[1] == "number" || typeof arguments[1] == "string")this.Direction = arguments[1];
    if(typeof arguments[2] == "number")this.Step = arguments[2];
    if(typeof arguments[3] == "number")this.Width = arguments[3];
    if(typeof arguments[4] == "number")this.Height = arguments[4];
    if(typeof arguments[5] == "number")this.Timer = arguments[5];
    if(typeof arguments[6] == "number")this.DelayTime = arguments[6];
    if(typeof arguments[7] == "number")this.WaitTime = arguments[7];
    if(typeof arguments[8] == "number")this.ScrollStep = arguments[8]
    this.ID.style.overflow = this.ID.style.overflowX = this.ID.style.overflowY = "hidden";
    this.ID.noWrap = true;
    this.IsNotOpera = (navigator.userAgent.toLowerCase().indexOf("opera") == -1);
    if(arguments.length >= 7)this.Start();
}
 
 
Marquee1.prototype.Start = function()
{
    if(this.ID == -1)return;
    if(this.WaitTime < 800)this.WaitTime = 800;
    if(this.Timer < 20)this.Timer = 20;
    if(this.Width == 0)this.Width = parseInt(this.ID.style.width);
    if(this.Height == 0)this.Height = parseInt(this.ID.style.height);
    if(typeof this.Direction == "string")this.Direction = this.DirectionArray[this.Direction.toString().toLowerCase()];
    this.HalfWidth = Math.round(this.Width / 2);
    this.HalfHeight = Math.round(this.Height / 2);
    this.BakStep = this.Step;
    this.ID.style.width = this.Width;
    this.ID.style.height = this.Height;
    if(typeof this.ScrollStep != "number")this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
    var msobj = this;
    var timer = this.Timer;
    var delaytime = this.DelayTime;
    var waittime = this.WaitTime;
    msobj.StartID = function(){msobj.Scroll()}
    msobj.Continue = function(){
		if(msobj.MouseOver == 1){
			setTimeout(msobj.Continue,delaytime);
		}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,delaytime);
   }
 
    msobj.Begin = function(){
		msobj.ClientScroll = msobj.Direction > 1 ? msobj.ID.scrollWidth : msobj.ID.scrollHeight;
		if((msobj.Direction <= 1 && msobj.ClientScroll <= msobj.Height + msobj.Step) || (msobj.Direction > 1 && msobj.ClientScroll <= msobj.Width + msobj.Step))return;
		msobj.ID.innerHTML += msobj.ID.innerHTML;
		msobj.TimerID = setInterval(msobj.StartID,timer);
		if(msobj.ScrollStep < 0)return;
		msobj.ID.onmousemove = function(event){
			if(msobj.ScrollStep == 0 && msobj.Direction > 1){
				var event = event || window.event;
				if(window.event){
					if(msobj.IsNotOpera){
						msobj.EventLeft = event.srcElement.id == msobj.ID.id ? event.offsetX - msobj.ID.scrollLeft : event.srcElement.offsetLeft - msobj.ID.scrollLeft + event.offsetX;
					}else{
						msobj.ScrollStep = null;
						return;
					}
				}else{
					msobj.EventLeft = event.layerX - msobj.ID.scrollLeft;
				}
				msobj.Direction = msobj.EventLeft > msobj.HalfWidth ? 3 : 2;
				msobj.AbsCenter = Math.abs(msobj.HalfWidth - msobj.EventLeft);
				msobj.Step = Math.round(msobj.AbsCenter * (msobj.BakStep*2) / msobj.HalfWidth);
			}
		}
		msobj.ID.onmouseover = function(){
			if(msobj.ScrollStep == 0)return;
			msobj.MouseOver = 1;
			clearInterval(msobj.TimerID);
		}
		msobj.ID.onmouseout = function(){
			if(msobj.ScrollStep == 0){
				if(msobj.Step == 0)msobj.Step = 1;
				return;
			}
			msobj.MouseOver = 0;
			if(msobj.Stop == 0){

				clearInterval(msobj.TimerID);
				msobj.TimerID = setInterval(msobj.StartID,timer);
			}
		}
	}
    setTimeout(msobj.Begin,waittime);
}
 
Marquee1.prototype.Scroll = function(){
    switch(this.Direction){
        case 0:
            this.CTL += this.Step;
            if(this.CTL >= this.ScrollStep && this.DelayTime > 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.DelayTime > 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.DelayTime > 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.DelayTime > 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;
    }
}