function ScrollLine() {
this.objname = "Scroll";
this.divname = "divname";
this.item = new Array();
this.itemcount = 0;
this.currentspeed = 0;
this.scrollspeed = 50;
this.pausetime = 1000;
this.pausemouseover = false;
this.stop = false;
this.height = 100;
this.width = 300;
this.i=0;
this.cindex=0;
this.refreash = 0;

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

this.linehtml = function(i) {
	var divHTML;
	divHTML = '';
	divHTML += '<ol id="'+this.objname+'item'+i+'"style="left:0px; width:'+this.width+'px; position:absolute; top:'+(this.height*i)+'px; ">';
	divHTML += this.item[i];
	divHTML += '</ol>';
	return divHTML;
}

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

this.display = function () {
	var divHTML;
	divHTML = '<div id="'+this.objname+'" style="height:'+this.height+'px; width:'+this.width+'px; position:relative; overflow:hidden; " OnMouseOver="'+this.objname+'.onmouseover(); " OnMouseOut="'+this.objname+'.onmouseout(); ">';
	for(var i = 0; i < this.itemcount; i++) {
		divHTML += this.linehtml(i);
	}
	divHTML += '</div>';
	document.getElementById(this.divname).innerHTML=divHTML;
};

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

this.onmouseover = function () {
	if ( this.pausemouseover ) {
		this.stop = true;
	}
};

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

this.next = function() {
	height = this.height;
	for (i = 0; i < this.itemcount; i++) {
		obj = document.getElementById(this.objname+'item'+i).style;
		if ( parseInt(obj.top) < 1 ) {
			height = this.height + parseInt(obj.top);
			break;
		}
	}
	for (i = 0; i < this.itemcount; i++) {
		this.stop = true;
		obj = document.getElementById(this.objname+'item'+i).style;
		if ( parseInt(obj.top) < 1 ) {
			obj.top = this.height * (this.itemcount-1);
		} else {
			obj.top = parseInt(obj.top) - height;
		}
	}
}

} 

st_scroll = new ScrollLine();
st_scroll.objname = 'st_scroll';
st_scroll.divname = 'st_scrolldiv';
st_scroll.height  = 15;
st_scroll.width   = 100;
st_scroll.scrollspeed  = 15;
st_scroll.pausetime    = 2500;
st_scroll.pausemouseover = true;