function slideSwitch() {

	var $active = $('#rocks IMG.active');

	if ( $active.length == 0 ) $active = $('#rocks IMG:last');

	var $next =  $active.next().length ? $active.next()
		: $('#rocks IMG:first');

		
		$active.addClass('last-active');
		
		$next.css({opacity: 0.0})
		.addClass('active').animate({opacity: 1.0}, 1000, function() {
			$active.removeClass('active last-active');
		});
}

$(function() {
	$('#rocks').hide();
	$('#rocks').fadeIn(3000, function(){ setInterval( "slideSwitch()", 3000 ); });
	
});