if ($type !== false)
$conds = "job_cmd = " . $dbw->addQuotes($type);
-while ( $dbw->selectField( 'job', 'count(*)', $conds, 'runJobs.php' ) ) {
+while ( $dbw->selectField( 'job', 'job_id', $conds, 'runJobs.php' ) ) {
$offset=0;
for (;;) {
$job = ($type == false) ?