function abredownload()
{
	document.getElementById("manualDownload").style.display = "block";
}
function valida()
{
	var mail = document.getElementById("email_publica").value;
	var er = new RegExp(/^[A-Za-z0-9_\-\.]+@[A-Za-z0-9_\-\.]{2,}\.[A-Za-z0-9]{2,}(\.[A-Za-z0-9])?/);
	if(er.test(mail)===false)
	{
	    alert("Digite o e-mail corretamente");
		document.getElementById("email_publica").focus();
		return false;
	}
}