function daumenKino(id,delay) {
    var $alt = $('#'+id+' img.obersteebene');
    var $neu = $alt.next().length ? $alt.next() : $('#'+id+' img:first');
    $alt.addClass('mittlereebene');
	$alt.removeClass('obersteebene');
    $neu.css({opacity: 0.0});
    $neu.addClass('obersteebene');
    $neu.delay(delay).animate({opacity: 1.0}, 2000, function() {
         	$alt.removeClass('mittlereebene');
    });
}

/*$(document).ready(function() {
	setInterval( daumenKino(), 2000 );
});*/