function Scroll() {
	this.name = "rtScroll";
	this.divId = "list";
	this.item = new Array();
	this.itemcount = 0;
	this.currentspeed = 0;
	this.scrollspeed = 50;
	this.pausedelay = 1000;
	this.pausemouseover = false;
	this.stop = false;
	this.height = 100;
	this.width = 100;
	this.stopHeight=0;
	this.i=0;
	this.reloadData = 0;

	this.add = function () {
		var text = arguments[0];
		this.item[this.itemcount] = text;
		this.itemcount = this.itemcount + 1;
	};

	this.start = function () {
		if ( this.itemcount == 1 ) {
			this.add(this.item[0]);
		}
		this.display();
		this.currentspeed = this.scrollspeed;
		this.stop = true;
		setTimeout(this.name+'.scroll()',this.currentspeed);
		window.setTimeout(this.name+".stop = false", this.pausedelay);
	};

	this.display = function () {
        var htmlCode;
		htmlCode = '<div id="'+this.name+'" style="height:'+this.height+';width:'+this.width+';position:relative;overflow:hidden;" OnMouseOver="'+this.name+'.onmouseover(); " OnMouseOut="'+this.name+'.onmouseout(); ">';
		for(var i = 0; i < this.itemcount; i++) {
			htmlCode += '<div id="'+this.name+'item'+i+'"style="left:0px;width:'+this.width+';position:absolute;top:'+(this.height*i)+'px;">';
			htmlCode += this.item[i];
			htmlCode += '</div>';
		}
		htmlCode += '</div>';

        document.getElementById(this.divId).innerHTML=htmlCode;
	};

	this.scroll = function () {
		if ( this.pause == true ) {
			window.setTimeout(this.name+".scroll()",this.pausedelay);
			this.pause = false;
		} else {
			this.currentspeed = this.scrollspeed;
			if ( !this.stop ) {
				for (var i = 0; i < this.itemcount; i++) {
					obj = document.getElementById(this.name+'item'+i).style;
					obj.top = parseInt(obj.top) - 1;
					if ( parseInt(obj.top) <= this.height * (-1) ) obj.top = this.height * (this.itemcount-1);
					if ( parseInt(obj.top) == 0 ) {
						this.currentspeed = this.pausedelay;
						this.i = i;
					}
				}
			}
            if( !this.stop && i == this.itemcount && parseInt(obj.top) == 0 && this.reloadData == 1 ) {
				this.reloadData = 0;
            }
            else {
				window.setTimeout(this.name+".scroll()",this.currentspeed);
            }
		}
	};

	this.onmouseover = function () {
		if ( this.pausemouseover ) {
			this.stop = true;
		}
		for( var i = 0; i < 5; ++i ) {
			var ii = i + 1;
			if( ii < 5 ) ii = "r0" + ii;
			else ii = "r" + ii;
			var itemObj = document.getElementById(ii);
			if( itemObj ) {
				if( i == this.i ) itemObj.style.fontWeight='bold';
				else itemObj.style.fontWeight='normal';
			}
		}
	};

	this.onmouseout = function () {
		if ( this.pausemouseover ) {
			this.stop = false;
		}
	};

}