var now = new Date();
        var hours = now.getHours();

	//7-12 morning
        if (hours >= 7 && hours < 12){
		greeting = "Good morning!"
	}

	//12-16 afternoon
        if (hours >= 12 && hours <= 16){
		greeting = "Good afternoon!"
	}

        //16-18 afternoon
        if (hours >= 16 && hours <= 18){
                greeting = "Hello!"
        }

	//18-24 evening
        if (hours >= 18 && hours <= 24){
		greeting = "Good evening!"
	}

	//1-7 too early
        if (hours >= 1 && hours < 7){
		greeting = "Howdy!"
	}

	document.write('<h1>'+greeting+'</h1>');