Konami Code Javascript

/* http://burkelibbey.posterous.com/the-konami-code */
(function(){   
 var s=0,w=window,k=[38,38,40,40,37,39,37,39,66,65];   
 $(w).keydown(function(e){   
  if((e.keyCode==k[s]?++s:s=0)>9)w.location="http://example.com/secret";   
 });   
})();