// odroluje doprava
function scroll_left(id,speed){
	if(speed < 10) speed = speed + 0.3;
	document.getElementById(id).scrollLeft += speed;

	var func = 'scroll_left(\''+id+'\','+speed+')';

	casovac = window.setTimeout(func,40);
}
// odroluje dolava
function scroll_right(id,speed){
	if(speed < 10) speed = speed + 0.3;
	document.getElementById(id).scrollLeft -= speed;

	var func = 'scroll_right(\''+id+'\','+speed+')';

	casovac = window.setTimeout(func,40);
}

function stop_scroll(casovac){
	window.clearTimeout(casovac);
}