function verScroll(dir, spd, loop) {
	loop = true;
	direction = "up";
	speed = 10;
	scrolltimer = null;

	if (document.layers) {var page = eval(document.contentLayer);}
	else {
		if (document.getElementById) {var page= eval("document.getElementById('contentLayer').style");}
		else {
			if (document.all) {var page = eval(document.all.contentLayer.style);}
  	}
	}

	direction = dir;
	speed = parseInt(spd);
	var y_pos = parseInt(page.top);

	if (loop == true) {
		if (direction == "dn") {page.top = (y_pos - (speed));} 
		else {
			if (direction == "up" && y_pos < 0) {page.top = (y_pos + (speed));} 
			else {
				if (direction == "top") {page.top = 10;}
			}
		}
		scrolltimer = setTimeout("verScroll(direction,speed)", 1);
  }
}

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