function toggleVisibility(theid) {
	var objectname = document.getElementById(theid);
	
	if (objectname.style.visibility != 'hidden') {
		objectname.style.visibility = 'hidden';
		objectname.style.display = 'none';
		
	} else {
		objectname.style.visibility = 'visible';
		objectname.style.display = 'block';
	}
}