DUMP OF %alertlog from check_alertlog():
$VAR1 = {
          '109' => [
                     '2010-08-13',
                     '17:42:58',
                     'ERROR',
                     '109',
                     'some stuff, .... SQL <UPDAT...'
                   ],
          '190' => [
                     '2010-08-13',
                     '17:42:58',
                     'ERROR',
                     '190',
                     'another message '
                   ],
          '2100' => [
                      '2010-08-12',
                      '21:18:53',
                      'INFO',
                      '2100',
                      'another message...'
                    ]
        };