var _delay = 6000;
var _nextButton = 2;
var _t = 0;

$(document).ready(function () {
	$('.banner_image_instance').first().fadeIn();
	
	$('#banner_nav a').first().addClass('banner_selected');
	
	$('#banner_nav a').click(function () {
		clearTimeout(_t);
		
		var i = parseInt($(this).attr('rel'));
		
		_nextButton = i + 1;
		
		$('#banner_nav a').removeClass('banner_selected');
		$(this).addClass('banner_selected');
		
		$('.banner_image_instance:visible').fadeOut('fast', function () {
			$('.banner_image_instance:nth-child('+i+')').fadeIn('slow', function () {
				_t = setTimeout(_next, _delay);
			});
		});
	});
	
	$('#banner_center').click(function () {
		var url = $('.banner_image_instance:visible').children('input').val();
		window.location = url;
	});
	
	_t = setTimeout(_next, _delay);
});

function _next() {
	if ($('#banner_nav a[rel|="'+ _nextButton +'"]').attr('rel') == null) _nextButton = 1;
	$('#banner_nav a[rel|="'+ _nextButton +'"]').trigger('click');
}