function daumenKino(div) {
    var $alt = $(div+' img.obersteebene');
    var $neu = $alt.next().length ? $alt.next() : $(div+' img:first');
    $alt.addClass('mittlereebene');
    $alt.removeClass('obersteebene');
    $neu.css({opacity: 0.0});
    $neu.addClass('obersteebene');
    $neu.animate({opacity: 1.0}, 2000, function() {
            $alt.removeClass('mittlereebene');
     });
     }
     
     function load(text, id){
     $('#content-long').attr("id", 'content');
		$("#maincontent").html("<div id='ajax_loader'><img src='./images/ajax-loader.gif' alt='Loading'/><br/></div>");
		$.ajax({
  url: "static_pages/cover_ajax.php",
  data: "ajax=true&text="+text+"&id="+id,
  cache: false,
  success: function(html){
    $("#maincontent").html(html);
  }
});
}