var content_height =195;
function verScroll(dir, spd, loop) {
	loop = true;
	direction = "up";
	speed = 1;
	scrolltimer = null;
	direction = dir;
	speed = parseInt(spd);
	document.all.contentLayer.scrollTop += speed; 
	var y_pos = document.all.contentLayer.scrollTop;
	if (document.all.contentLayer.scrollTop >= document.all.contentLayer.scrollHeight - content_height) {
		document.all.contentLayer.scrollTop = 0;
	}
	if (document.all.contentLayer.scrollTop % content_height == 0){
		scrolltimer = setTimeout("verScroll(direction,speed)", 5000);
	} else {
		scrolltimer = setTimeout("verScroll(direction,speed)", 5);
	}
}

function stopScroll() {
loop = false;
clearTimeout(scrolltimer);
}