var $alt;
var $neu;
var neueHoehe;

var viewContainer;

$(document).ready(function() {
	setInterval("slideshow()",9000);
});

function slideshow() {
	$alt = $('div.slideshow img.obersteebene');

	if($alt.next().length) {
		$neu = $alt.next();
	}
	else {
		$neu = $('div.slideshow img:first');
	}
	
	$alt.addClass('mittlereebene');
	$alt.removeClass('obersteebene');
	$neu.css({opacity: 0.0});
	$neu.addClass('obersteebene');

	$neu.animate({opacity: 1.0}, 2500, function() {
		$alt.removeClass('mittlereebene');
  	});
  	
}