$(document).ready(function() {
	var thumb = $('#gallery-scroll .tab a b');
	var interval = 5000;
	
	function set(index) {
		thumb.removeClass('on');
		thumb.parent().eq(index).tabs({fade: 1200});
		thumb.eq(index).addClass('on');
	}
	
	function play() {
		var index = thumb.index($('#gallery-scroll .tab a b.on'));
		index = (index == thumb.length - 1) ? 0 : index + 1;
		set(index);
	}
	
	var block = $('#gallery-scroll .panel .item');
	block.hover(function() {
		clearInterval(s);
	}, function() {
		s = setInterval(play, interval);
	});
	
	$('#gallery-scroll .tab a').hover(function() {
		set(thumb.index($(this).find('b')));
		clearInterval(s);
	}, function() {
		s = setInterval(play, interval);
	});
	
	set(0);
	var s = setInterval(play, interval);
});