public function validateSweetcaptcha($attribute, $value, $parameters)
    {

        if (Input::has('scvalue'))
        {	
        	$sweetcaptcha = app()->make('SweetCaptcha');        	
        	return $sweetcaptcha->check(array('sckey' => $value, 'scvalue' => Input::get('scvalue'))) == "true";
    	}
    	else
    		return false;
    }