$(document).ready(function() {
	
var speed = 5000;
		
$('#mask-gallery, #gallery li').width($('#slider').width());	
$('#gallery').width($('#slider').width() * $('#gallery li').length);
$('#mask-gallery, #gallery li, #mask-excerpt, #excerpt li').height($('#slider').height());
		
var run = setInterval('newsscoller(0)', speed);	
		
$('#gallery li:first, #excerpt li:first').addClass('selected');
	
$('#btn-pause').click(function () {
	clearInterval(run);
	return false;
});

$('#btn-play').click(function () {
	run = setInterval('newsscoller(0)', speed);	
	return false;
});

$('#btn-next').click(function () {
	newsscoller(0);	
	return false;
});	

$('#btn-prev').click(function () {
	newsscoller(1);	
	return false;
});	
		
$('#slider').hover(
	function() {
		clearInterval(run);
	}, 
	function() {
		run = setInterval('newsscoller(0)', speed);	
	}
); 	
		
});
	
function newsscoller(prev) {

	var current_image = $('#gallery li.selected').length ? $('#gallery li.selected') : $('#gallery li:first');
	var current_excerpt = $('#excerpt li.selected').length ? $('#excerpt li.selected') : $('#excerpt li:first');

	if (prev) {
		
		var next_image = (current_image.prev().length) ? current_image.prev() : $('#gallery li:last');
		var next_excerpt = (current_excerpt.prev().length) ? current_excerpt.prev() : $('#excerpt li:last');
	
	} else {
		
		var next_image = (current_image.next().length) ? current_image.next() : $('#gallery li:first');
		var next_excerpt = (current_excerpt.next().length) ? current_excerpt.next() : $('#excerpt li:first');
	}

	$('#excerpt li, #gallery li').removeClass('selected');
	
	next_image.addClass('selected');
	next_excerpt.addClass('selected');

	$('#mask-gallery').scrollTo(next_image, 800);		
	$('#mask-excerpt').scrollTo(next_excerpt, 800);					
	
}