function NascondiByID(IDToHide){
		document.getElementById(IDToHide).style.visibility = 'hidden';
	}
	
	function MostraByID(IDToShow){
		document.getElementById(IDToShow).style.visibility = 'visible';
	}
	
	function NascondiDisplayByID(IDToHide){
		document.getElementById(IDToHide).style.display = 'none';
	}
	
	function MostraDisplayByID(IDToShow){
		document.getElementById(IDToShow).style.display = 'inline';
	}