var d = function () {}; $(document).delegate(".b-ball_bounce", "mouseenter", function () { b(this); m(this) }).delegate(".b-ball_bounce .b-ball__right", "mouseenter", function (i) { i.stopPropagation(); b(this); m(this) });
замените на:
var d = function () {}; $(".b-ball_bounce").bind("mouseenter", function () { b(this); m(this) }); $(".b-ball_bounce .b-ball__right").bind("mouseenter", function (i) { i.stopPropagation(); b(this); m(this) });