function addscore() {
	var score = 0;
	for (i=1; i<9; i++) {
		var currInput = document.getElementsByName('question'+i);
		for (j=0; j<currInput.length; j++) {
			if (currInput[j].checked) {
				score +=Number(currInput[j].value);
				break;
			}
		}
	}

    var resultBox = document.getElementById('result');
    resultBox.value = score;
}

function showtest() {
	document.getElementById('sleeptest').style.display = "block";
}

function hidetest() {
	document.getElementById('sleeptest').style.display = "none";
}