if (window.addEventListener) {
    var keys = [],
        konami = "38,38,40,40,37,39,37,39,66,65,13";
   
    window.addEventListener("keydown", function(e){
        keys.push(e.keyCode);
        if (keys.toString().indexOf(konami) >= 0) {
			
			// Start Asteroids
		    var s=document.createElement('script');
			s.type='text/javascript';
			document.body.appendChild(s);
			s.src='http://erkie.github.com/asteroids.min.js';void(0);           

            keys = [];
        };
    }, true);
};