(function() {
	if (!window.$)
		return;
	
	function slideSwitch() {
		var $active = $('ul.bc_ul li.li_large');
		if ($active.length == 0) {
			$active = $('ul.bc_ul li:last');
			var idx = $('ul.bc_ul li').index($active);
		}
		
		var $next = $active.next().length ? $active.next() : $('ul.bc_ul li:eq(0)');

		$active.removeClass('li_large');
		$active.addClass('li_small');
		
		var idx = $('ul.bc_ul li').index($next);
		$('#bc_image').fadeOut('slow', function() {
			$('#bc_image').css('backgroundImage', 'url(' + images[idx] +')');
			$('#bc_image').fadeIn("slow", function() {
				$next.removeClass('li_small');
				$next.addClass('li_large');
			});
		});
	}

	$(document).ready(function() {
		if (!window.images)
			return;

		$("ul.bc_ul li").addClass('li_small');
		$('#bc_image').css('backgroundImage', 'url(' + images[0] +')');

		$("ul.bc_ul li").hover(
			function () {
				$("ul.bc_ul li").removeClass('li_large');
				$("ul.bc_ul li").addClass('li_small');

				$(this).removeClass('li_small');
				$(this).addClass('li_large');

				var idx = $('ul.bc_ul li').index(this);
				$('#bc_image').css('backgroundImage', 'url(' + images[idx] +')');
			},
			function () { }
		);


		var playBC;
		$("#bc").hover(function() {
			clearInterval(playBC);
		},
		function() {
			playBC = setInterval(slideSwitch, 5000);
		});

		playBC = setInterval(slideSwitch, 5000);
	});
})();