function ImgMarquee(){
		
	this.ID = document.getElementById(arguments[0]);
	if(!this.ID){
		//alert("您要設置的\"" + arguments[0] + "\"初始化錯誤\r\n請檢查標籤ID設置是否正確!")	
		this.ID = -1;
		return;
	}
	this.Direction = this.Width = this.Height = this.DelayTime = this.WaitTime = this.CTL = this.StartID = this.Stop = this.MouseOver = 0;
	this.Step = 1;
	this.Timer = 30;
	this.DirectionArray = {"top":0,"up":0,"bottom":1,"down":1,"left":2,"right":3};
	if(typeof arguments[1] == "number" || typeof arguments[1] == "string") this.Direction = arguments[1];	//圖片滾動方向0,top:向上, 1,bottom:向下, 2,left:向左, 3,right:向右
	if(typeof arguments[2] == "number") this.Step = arguments[2];	//移動的步長,預設為2,值愈大速度愈快
	if(typeof arguments[3] == "number") this.Width = arguments[3];	//Div寛度
	if(typeof arguments[4] == "number") this.Height = arguments[4];	//Div高度
	if(typeof arguments[5] == "number") this.Timer = arguments[5];	//計時器,預設值30,值愈小,移動速度愈快,1000=1秒
	if(typeof arguments[6] == "number") this.DelayTime = arguments[6];	//間歇停頓延遲時間
	if(typeof arguments[7] == "number") this.WaitTime = arguments[7];	//開始時的等待時間
	if(typeof arguments[8] == "number") this.ScrollStep = arguments[8];	//間歇移動間距[若此值與延遲值皆0時:Mouse懸停控制,-1禁止Mouse控制]
	
	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();
}

ImgMarquee.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 + "px";
	this.ID.style.height = this.Height + "px";
	if(typeof this.ScrollStep != "number") this.ScrollStep = this.Direction > 1 ? this.Width : this.Height;
	var templateLeft = "<table cellpadding='0' cellspacing='0' style='border-collapse:collapse;display:inline;'><tr><td noWrap=true style='white-space:nowrap;word-break:keep-all;'>TEMP_HTML</td><td noWrap=true style='white-space:nowrap;word-break:keep-all;'>TEMP_HTML</td></tr></table>";
	var templateTop = "<table cellpadding='0' cellspacing='0' style='border-collapse:collapse;'><tr><td>TEMP_HTML</td></tr><tr><td>TEMP_HTML</td></tr></table>";	
	var msobj = this;
	msobj.tempHTML = msobj.ID.innerHTML;	
	
	if(msobj.Direction <= 1){
		msobj.ID.innerHTML = templateTop.replace(/TEMP_HTML/g,msobj.ID.innerHTML);
	}
	else{
		if(msobj.ScrollStep == 0 && msobj.DelayTime == 0){
			msobj.ID.innerHTML += msobj.ID.innerHTML;	
		}
		else{
			msobj.ID.innerHTML = templateLeft.replace(/TEMP_HTML/g,msobj.ID.innerHTML);
		}
	}
	
	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 / 2 : msobj.ID.scrollHeight / 2;
		if((msobj.Direction <= 1 && msobj.ClientScroll <= msobj.Height + msobj.Step) || (msobj.Direction > 1 && msobj.ClientScroll <= msobj.Width + msobj.Step)){
			msobj.ID.innerHTML = msobj.tempHTML;
			delete(msobj.tempHTML);
			return;
		}
		
		delete(msobj.tempHTML);
		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);
}

ImgMarquee.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;
	}
}
