Konami Code - Precisa do jQuery

gistfile1.js

$(document).ready(function(){
	    var keys     = [];
	    var konami  = '38,38,40,40,37,39,37,39,66,65';
	 
	   $(document)
		.keydown(
		    function(e) {
		        keys.push( e.keyCode );
		        if ( keys.toString().indexOf( konami ) >= 0 ){
	 
		            $('body').append('<audio autoplay="autoplay" style="display:none;"><source src="/files/mp3/marcha_imperial.mp3" type="audio/mp3" /></audio>');
	 
		            // empty the array containing the key sequence entered by the user
		            keys = [];
		        }
		    }
		);
	});