/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Created by: voidvector | http://www.webdeveloper.com/forum/showthread.php?t=201460 */

var UpdateInterval = 10;
var PixelPerInterval = 5;
var scrollerInterval;
var scrollBox = 'gallery_thumbnails';

function start_scroll_right() {
	scrollerInterval = setInterval(scroll_left, UpdateInterval);
}

function scroll_right() {
	document.getElementById(scrollBox).scrollLeft -= PixelPerInterval;
}

function start_scroll_left() {
	scrollerInterval = setInterval(scroll_right, UpdateInterval);
}

function scroll_left() {
	document.getElementById(scrollBox).scrollLeft += PixelPerInterval;
}

function stop_scrolling() {
	clearInterval(scrollerInterval);
}