﻿function srcMarquee() {
	this.ID = document.getElementById(arguments[0]);
	if (!this.ID) {
		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")
		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();
}
srcMarquee.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.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.Direction > 1 && msobj.ClientScroll < msobj.Width))
			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);
}

srcMarquee.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;
	}
}