// JavaScript Document

function setVisibility(objectID,state) {
	var object = document.getElementById(objectID);
	object.style.visibility = state;
}

function toggleVisibility(objectID) {
	var object = document.getElementById(objectID);
	state = object.style.visibility;
	if (state == 'hidden') object.style.visibility = 'visible';
	else {
		if (state == 'visible') object.style.visibility = 'hidden';
	else object.style.visibility = 'visible';
	}
}

function setDisplay(objectID,state) {
	var object = document.getElementById(objectID);
	object.style.display = state;
}

function toggleDisplay(objectID) {
	var object = document.getElementById(objectID);
	state = object.style.display;
	if (state == 'none') object.style.display = 'block';
	else if (state != 'none') object.style.display = 'none';
}

function setDisplayStatus() {
	setDisplay('q1','none');
	setDisplay('q2','none');
	setDisplay('q3','none');
	setDisplay('q4','none');
	setDisplay('q5','none');
	setDisplay('q6','none');
	setDisplay('q7','none');
	setDisplay('q8','none');
	setDisplay('q9','none');
	setDisplay('q10','none');
	setDisplay('q11','none');
	setDisplay('q12','none');
	setDisplay('q13','none');
	setDisplay('q14','none');
	setDisplay('q15','none');
	setDisplay('q16','none');
	setDisplay('q17','none');
	setDisplay('q18','none');
	setDisplay('q19','none');
	setDisplay('q20','none');
	setDisplay('q21','none');
	setDisplay('q22','none');
	setDisplay('q23','none');
	setDisplay('q24','none');
	setDisplay('q25','none');
	setDisplay('q26','none');
	setDisplay('q27','none');
	setDisplay('q28','none');
}