code: protected function validator($varInput)
  	{
  		if ($varInput == '*****')
  		{
  			$this->blnSubmitInput = false;
  
  			return true;
  		}
  
  		return parent::validator($varInput);
  	}
docs: Ignore the field if nothing has been entered
  
  @param mixed $varInput
  
  @return mixed