var truthTotals = new Array(5);
truthTotals[1] = 0;
truthTotals[2] = 0;
truthTotals[3] = 0;
truthTotals[4] = 0;



function AddToScore(truthIndex) {
	truthTotals[truthIndex]++;
}

function SubtractFromScore(truthIndex) {
	truthTotals[truthIndex]--;
}

function UpdateScoreTotal(truthIndex) {
	var objScore;
	
	objScore = document.getElementById('total' + truthIndex);
	objScore.innerHTML = 'Score ' + truthTotals[truthIndex] + '/10';

}

function UpdateTotal() {
	var objScore;
	
	objScore = document.getElementById('totalScore');
	objScore.innerHTML = 'Total Score ' + (truthTotals[1] + truthTotals[2] + truthTotals[3] + truthTotals[4]) + '/40';

}

function RecordTotal(objCheckbox, truthIndex) {
	if (objCheckbox.checked) {
		AddToScore(truthIndex);	
	} else {
		SubtractFromScore(truthIndex);
	}
	
	UpdateScoreTotal(truthIndex);
	UpdateTotal();
}

function ResetCheckboxes() {
	var objScore;

	for (var n=1; n<11; n++) {
		objScore = document.getElementById('truth1' + n);	
		objScore.checked = false;
	}
	
	for (var n=1; n<11; n++) {
		objScore = document.getElementById('truth2' + n);	
		objScore.checked = false;
	}
	
	for (var n=1; n<11; n++) {
		objScore = document.getElementById('truth3' + n);	
		objScore.checked = false;
	}
	
	for (var n=1; n<11; n++) {
		objScore = document.getElementById('truth4' + n);	
		objScore.checked = false;
	}
}