var browserVersion;
var direction;
var scrolltimer;
function scrollStart()
{
  if (document.layers) {	// netscape 4.0 and up
		browserVersion = eval(document.divASContainer.document.contentLayer);
	}
	else {
		if (document.getElementById) { // internet explorer 6.0 and netscape 6.0
			browserVersion= eval("document.getElementById('contentLayer').style");
		}
		else {	
			if (document.all) { // internet explorer 4.0 and up
				browserVersion = eval(document.all.contentLayer.style);
	      }
	   }
	}
	verScroll('right','1');
}
function verScroll(dir, spd) {
	scrolltimer = null;
	direction = dir;
	speed = parseInt(spd);
	var x_pos;
	
	x_pos = parseInt(browserVersion.left);
	//document.getElementById('tracer').innerHTML = x_pos;
	
	var x_wid = parseInt(document.getElementById('contentLayer').offsetWidth);
	var x_cont = parseInt(document.getElementById('divASContainer').offsetWidth);
	
	//document.getElementById('xwidth').innerHTML = x_wid + " - " + direction;
	
	if (direction == "right" && x_pos > (x_cont - x_wid)) 
	  browserVersion.left = (x_pos - (speed));
	else if (direction == "right") 
		browserVersion.left = 0;	
	if (direction == "left" && x_pos < 0) 
	  browserVersion.left = (x_pos + (speed));
	else if (direction == "left") 
		browserVersion.left = (-x_wid + x_cont);
		
	if (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.indexOf("Mac") != -1){
		scrolltimer = setTimeout("verScroll(direction,speed)", 16);
		speed=100;
	}else{
		scrolltimer = setTimeout("verScroll(direction,speed)", 100);
	}
}

function stopScroll() {
	clearTimeout(scrolltimer);
}
function startAndStop(dir, spd) {
	clearTimeout(scrolltimer);
	verScroll(dir, spd);
}