if ( window.addEventListener )
{
	var kkeys = [], konami = "38,38,40,40,37,39,37,39,66,65";
	
	window.addEventListener("keydown", function(e)
	{  
		kkeys.push( e.keyCode );  
		if ( kkeys.toString().indexOf( konami ) >= 0 )
		{
			alert('Vous avez entré le Konami Code. Bien joué !');
			kkeys = [];
		}
	}, true);
}