function rotate() {
	var current = $('#category_banner ul li.show') ?  $('#category_banner ul li.show') : $('#category_banner li:first');
	var next = current.next().length ? ( current.next().hasClass('show') ? $('#category_banner ul li:first') :current.next() ) : $('#category_banner ul li:first');
	next.css({opacity: 0.0}).addClass('show').animate({opacity: 1.0}, 1000);
	current.animate({opacity: 0.0}, 1000).removeClass('show');
};

$(document).ready(function() {
	
	//banners
	$max_h = 0;
	$('#category_banner ul li').each(function(){
		if( $max_h < $(this).height() ) $max_h = $(this).height();
	});
	$('#category_banner ul li').height($max_h);
	$('#category_banner ul').height($max_h);
	
	$('#category_banner ul li').css({opacity: 0.0});
	$('#category_banner ul li.show').css({opacity: 1.0});
	setInterval('rotate()', 6000);
	
});