Is an element hovered
(function(b,c){b('*').hover(function(){b(this).data(c,1)},function(){b(this).data(c,0)}).data(c,0);b[c]=function(a){return b(a)[c]()};b.fn[c]=function(a){a=0;b(this).each(function(){a+=b(this).data(c)});return a>0}})(jQuery,'isHovered');