case 'add':
// Check if banner is already added
$result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_refbanner` WHERE `url`='%s' LIMIT 1",
case 'add':
// Check if banner is already added
$result = SQL_QUERY_ESC("SELECT `id` FROM `{?_MYSQL_PREFIX?}_refbanner` WHERE `url`='%s' LIMIT 1",