// JavaScript Document

function mostrar(id)
{
 if (document.getElementById(id).style.display == "block")
 	{
		document.getElementById(id).style.display = "none";
		document.getElementById('fundo').style.display = "none";
		document.getElementById('boxId').value='';
	}
	 else
 	{
		document.getElementById('boxId').value=id;
		document.getElementById('fundo').style.display = "block";
		document.getElementById(id).style.display = "block";
	}
}