var testScore;

function hideTestResults(argDiv) {
	document.getElementById("selfTestDiv").style.display = "block";
	document.getElementById(argDiv).style.display = "none";
}

function displayEpworthTestResults() {
	testScore = addScore();
	document.getElementById("selfTestDiv").style.display = "none";
	
	if (testScore >= 9) {
		document.getElementById("resultsLow").style.display = "none";
		document.getElementById("resultsHigh").style.display = "block";
		document.getElementById("scoreDiv1").innerHTML = testScore;
	} else {
		document.getElementById("resultsHigh").style.display = "none";
		document.getElementById("resultsLow").style.display = "block";
		document.getElementById("scoreDiv2").innerHTML = testScore;
	}
	
	return false;
}

function addScore() {
	//var testScore = getRadioValue("question1");
	var value1;
	var value2;
	var value3;
	var value4;
	var value5;
	var value6;
	var value7;
	var value8;
	
	for (var i=0; i<document.selfTest.question1.length; i++) {
		if (document.selfTest.question1[i].checked == true) {
			value1 = Number(document.selfTest.question1[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question2.length; i++) {
		if (document.selfTest.question2[i].checked == true) {
			value2 = Number(document.selfTest.question2[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question3.length; i++) {
		if (document.selfTest.question3[i].checked == true) {
			value3 = Number(document.selfTest.question3[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question4.length; i++) {
		if (document.selfTest.question4[i].checked == true) {
			value4 = Number(document.selfTest.question4[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question5.length; i++) {
		if (document.selfTest.question5[i].checked == true) {
			value5 = Number(document.selfTest.question5[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question6.length; i++) {
		if (document.selfTest.question6[i].checked == true) {
			value6 = Number(document.selfTest.question6[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question7.length; i++) {
		if (document.selfTest.question7[i].checked == true) {
			value7 = Number(document.selfTest.question7[i].value);
		}
	}
	
	for (var i=0; i<document.selfTest.question8.length; i++) {
		if (document.selfTest.question8[i].checked == true) {
			value8 = Number(document.selfTest.question8[i].value);
		}
	}
	
	return value1 + value2 + value3 + value4 + value5 + value6 + value7 + value8;
}