(function($) {

	$.fn.konami = function(callback, code) {
		if(code == undefined) code = "38,38,40,40,37,39,37,39,66,65";
		
		return this.each(function() {
			var kkeys = [];
			$(this).keydown(function(e){
				kkeys.push( e.keyCode );
				while (kkeys.length > code.split(',').length) {
					kkeys.shift();
				}
				if ( kkeys.toString().indexOf( code ) >= 0 ){
					$(this).unbind('keydown', arguments.callee);
					callback(e);
				}
			});
		});
	}

})(jQuery);