// Função para validar email
function validaEmail(src) {
  emailReg = /^[\w-]+(\.[\w-]+)*@(([A-Za-z\d][A-Za-z\d-]{0,61}[A-Za-z\d]\.)+[A-Za-z]{2,6}|\[\d{1,3}(\.\d{1,3}){3}\])$/
  var regex = new RegExp(emailReg);
  return regex.test(src);
}