function scroll(scrollname, div_name, left_name, right_name){
	this.div_name = div_name;
	this.name = scrollname;
	this.scrollCursor = 0;
	this.speed = 3;
	this.timeoutID = 0;
	this.div_obj = null;
	this.left_name = left_name;
	this.right_name = right_name;
	{
		if (document.getElementById) {
			div_obj = document.getElementById(this.div_name);
			if (div_obj) {
				this.div_obj = div_obj;
				this.div_obj.style.overflow = 'hidden';
			}
			div_up_obj = document.getElementById(this.left_name);
			div_dn_obj = document.getElementById(this.right_name);
			if (div_up_obj && div_dn_obj) {
				div_up_obj.onmouseover = function(){
					eval(scrollname + ".scrollLeft();");
				};
				div_up_obj.onmouseout = function(){
					eval(scrollname + ".stopScroll();");
				};
				
				div_dn_obj.onmouseover = function(){
					eval(scrollname + ".scrollRight();");
				};
				div_dn_obj.onmouseout = function(){
					eval(scrollname + ".stopScroll();");
				};
			}
		}
	}
	this.div_obj.scrollLeft = this.scrollCursor;
	
	this.stopScroll = function(){
		clearTimeout(this.timeoutID);
	}
	
	this.scrollLeft = function(){
		if (this.div_obj) {
			this.scrollCursor = (this.scrollCursor - this.speed) < 0 ? 0 : this.scrollCursor - this.speed;
			this.div_obj.scrollLeft = this.scrollCursor;
			this.timeoutID = setTimeout(this.name + ".scrollLeft()", 5);
		}
	}
	
	this.scrollRight = function(){
		if (this.div_obj) {
			this.scrollCursor += this.speed;
			this.div_obj.scrollLeft = this.scrollCursor;
			if (this.div_obj.scrollLeft == this.scrollCursor) {
				this.timeoutID = setTimeout(this.name + ".scrollRight()", 5);
			}
			else {
				this.scrollCursor = this.div_obj.scrollLeft;
			}
		}
	}
	
	this.resetScroll = function(){
		if (this.div_obj) {
			this.div_obj.scrollLeft = 0;
			this.scrollCursor = 0;
		}
	}
}