var scrollTimer;
var scrollDistance = 6;
var scrollSpeed = 50;

function doubleSpeed(flag) {
	if (flag == true) {
		scrollDistance *= 2;
	} else {
		scrollDistance /= 2;
	}
	
	return false;
}

function stopScroll() {
	clearTimeout(scrollTimer);
	
	return false;
};

function scrollForward() {
	frames[0].scrollBy(scrollDistance,0);
	
	scrollTimer = setTimeout("scrollForward()", scrollSpeed);
	
	return false;
};

function scrollBack() {
	frames[0].scrollBy(-scrollDistance,0);
	
	scrollTimer = setTimeout("scrollBack()", scrollSpeed);
	
	return false;
};