function Validar()
{
	if(document.value_proposition.nm_contato.value == "")
	{
		alert("It informs the name");
		document.value_proposition.nm_contato.focus();
		return false;
	}
	if(document.value_proposition.eml_contato.value == "")
	{
		alert("It informs the email");
		document.value_proposition.eml_contato.focus();
		return false;
	}
	else {
		if (!Validar_Email(document.value_proposition.eml_contato.value)) {
			alert("E-mail invalid!");
			document.value_proposition.eml_contato.select();
			return false;
		}
	}
	
	document.value_proposition.submit();
}