//crossfade by http://jqueryfordesigners.com/image-cross-fade-transition/
         $(document).ready(function () {
           $('div.fade').hover(function() {
             var fade = $('> div', this);
                          if (fade.is(':animated')) {
               fade.stop().fadeTo(250, 1);
             } else {
               fade.fadeIn(250);
             }
           }, function () {
             var fade = $('> div', this);
             if (fade.is(':animated')) {
               fade.stop().fadeTo(3000, 0);
             } else {
               fade.fadeOut(3000);
             }
           });
         });