function chk_new_user_params() {   
   return ( ( checkParam( document.new_user_form.login, "login" ) ) &&
            ( checkParam( document.new_user_form.pass , "senha" ) ) &&
			   ( checkParam( document.new_user_form.recaptcha_response_field , "de verificação"  ) ) &&
            ( checkEmail( document.new_user_form.email          ) ) );        
}