// Massimiliano Tropeano
// 27/01/2010
function viewElement(element1)
{
	element1 = document.getElementById(element1);
		if (element1.style.display == 'block' || element1.style.display == '')
			element1.style.display = 'none';
		else
			element1.style.display = 'block';
		return;
}