function toggleTableVisibility(tableID)
{
	var rows = document.getElementById(tableID).rows;
	var visibility = (rows[1].style.display == '') ? 'none' : '';
	for (var i = 1; i < rows.length; i++)
		rows[i].style.display = visibility;
	document.getElementById('toggleLink').innerHTML = (visibility == 'none') ? 'Expandir' : 'Contrair';
}