!function(a){a.fn.directionalHover=function(b){var c=a.extend({},a.fn.directionalHover.defaults,b),d=1,e=2,f=4,g=8,h=d|g,i=d|e,j=f|g,k=f|e,l=function(a,b,c,h,i,j,k,l){var n=0;j/2>=h-l&&(n^=d),c-k>=i/2&&(n^=e),h-l>j/2&&(n^=f),i/2>c-k&&(n^=g),m(n,a,b,c-k,h-l,i/2,j/2)},m=function(a,b,c,d,e,f,g){n(a,h)?o(d,e,f,g)?q(b,c,0,2*-f):q(b,c,2*-g,0):n(a,i)?p(d,e,f,g)?q(b,c,2*-g,0):q(b,c,0,2*f):n(a,j)?p(d,e,f,g)?q(b,c,0,2*-f):q(b,c,2*g,0):n(a,k)&&(o(d,e,f,g)?q(b,c,2*g,0):q(b,c,0,2*f))},n=function(a,b){return(a&b)===b},o=function(a,b,c,d){return 0>d*a-c*b},p=function(a,b,c,d){return 0>c*(b-d)+d*a-c*d},q=function(a,b,d,e){"in"===b?a.animate({top:d,left:e},0,function(){a.stop().animate({top:0,left:0},c.speed,c.easing)}):"out"===b&&a.animate({top:0,left:0},0,function(){a.stop().animate({top:d,left:e},c.speed,c.easing)})};return this.css({position:"relative",overflow:"hidden"}),this.find(c.overlay).css({position:"absolute",top:"-100%"}),this.each(function(){var b=a(this);b.hover(function(a){l(b.find(c.overlay),"in",a.pageX,a.pageY,b.width(),b.height(),Math.floor(b.offset().left),b.offset().top)},function(a){l(b.find(c.overlay),"out",a.pageX,a.pageY,b.width(),b.height(),Math.floor(b.offset().left),b.offset().top)})})},a.fn.directionalHover.defaults={overlay:".dh-overlay",easing:"swing",speed:400}}(jQuery);