static function AutoCompleteCountriesJSON($letter, $limit)
{
if ($letter != "") {
$con = new ConnectDB(ProjectGlobals::$IPADDRESS, ProjectGlobals::$USER, ProjectGlobals::$PASSWORD, ProjectGlobals::$DATABASE);
$result = $con->getCountriesWithLetter($letter, $limit);
$output = JSONFormat::generateJSONArray($result);
return $output;
}
}