// JavaScript Document

var mostra = false;

function mostraIntranet()
{
	if(mostra == false)
	{
		document.getElementById("linkIntranet").style.backgroundColor="#FFF";
		document.getElementById("loginIntranet").style.display="block";
		mostra = true;
	}
	else
	{
		document.getElementById("linkIntranet").style.backgroundColor="";
		document.getElementById("loginIntranet").style.display="none";
		mostra = false;
	}	
}

function mudaFundo(alvo)
{
	document.getElementById(alvo).style.backgroundPosition="bottom";
}

function voltaFundo(alvo)
{
	if(document.getElementById(alvo).value == "")
	{
		document.getElementById(alvo).style.backgroundPosition="top";
	}
	
}