(function ($) {
  $(function(){
    var delay = 2000,
        int;
    int = setInterval(function(){
          rotate();
          }, delay);

    var active_banner_index = 0;
    var banners = $(".rotate");
    var first = $(banners[0]);
    first.css({"z-index":"4"});
    function rotate() {
      if( banners.length ) {
          var curr = $(banners[active_banner_index]);
          active_banner_index+=1;
          if( active_banner_index>=banners.length )
              active_banner_index = 0;
          if( active_banner_index<0 )
              active_banner_index = banners.length-1;

          next = $(banners[active_banner_index]);
          next.css({"z-index":"3"})
          next.show();
          curr.fadeOut(1000, 
              function() {
                 // next.fadeIn(500);
                 next.css({"z-index":"4"})
              }
              );
        }
      }
  });
})(jQuery);