//Exibir-Esconder Div

var last = "";
function showDiv(id){
	if(last.length > 0)
	hideDiv(last);
	last = id;
	document.getElementById(id).className = "Block";	
	document.getElementById(id).style.display = 'block';
}

function hideDiv(id){
	document.getElementById(id).className = "None";
	document.getElementById(id).style.display = 'none';
}