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 toggleOn(objectID) {

	var object = document.getElementById(objectID);

	object.style.display = 'block';

}

function toggleOff(objectID) {

	var object = document.getElementById(objectID);

	object.style.display = 'none';

}