var layer1Name = 'layerscroll1';
var layer2Name = 'layerscroll2';
var scrollSpeed = 5;
var scrollTimeOut = 25;

var iTop=0;
var bAnimate1=false;
var bAnimate2=false;

function goUp()
{
	o=document.getElementById(layer1Name);
	o.scrollTop -=scrollSpeed;
	if (bAnimate1) setTimeout("goUp();", scrollTimeOut);
}

function goDown()
{
	o=document.getElementById(layer1Name);
	o.scrollTop += scrollSpeed;
	if (bAnimate1) setTimeout("goDown();", scrollTimeOut);
}

function goUp2()
{
	o=document.getElementById(layer2Name);
	o.scrollTop -=scrollSpeed;
	if (bAnimate2) setTimeout("goUp2();", scrollTimeOut);
}

function goDown2()
{
	o=document.getElementById(layer2Name);
	o.scrollTop += scrollSpeed;
	if (bAnimate2) setTimeout("goDown2();", scrollTimeOut);
}