var thmbnTimer;

function hscroll_l(s, t) {
	clearInterval(thmbnTimer);
	thmbnTimer = setInterval("document.getElementById('container').scrollLeft -= "+s, t);
}

function hscroll_r(s, t) {
	clearInterval(thmbnTimer);
	thmbnTimer = setInterval("document.getElementById('container').scrollLeft += "+s, t);
}