function toggleDiv (div) {
	var tempDiv = document.getElementById(div);
	if (tempDiv.style.display == "block") {
		tempDiv.style.display = "none";
	} else {
		tempDiv.style.display = "block";
	}
}

function hideDiv (div) {
	document.getElementById(div).style.display = "none";
}

function toggleIcon (icon) {
	var tempIcon = document.getElementById(icon);
	if (tempIcon.innerHTML == '+') {
		tempIcon.innerHTML = '—';
	} else {
		tempIcon.innerHTML = '+';
	}	
}