// JavaScript Document
<!--

var win=document.getElementById('win');
var timer;

var initvalue=3;
var value=0;

function upscroll(){
	value=initvalue*-1;
}

function downscroll(){
	value=initvalue;
}

function stop(){
	value=0;
}
function run(){
	win.scrollTop +=value;
	timer = setTimeout("run()",10);
}
run();

//-->