getOne("select genome_id from bedfile where bedfile_id = ?", $_GET['bed_id'])) { $q = "select distinct chrom, chrom from chrom_length order by chrom"; } else { $q = "select distinct chrom, chrom from chrom_length join bedfile using(genome_id) where bedfile_id = $_GET[bed_id] order by chrom"; } $sel = new DBSelectForm('chrom', $q, array('id' => 'extr_chrom_select')); $sel->insertElt('', 'All'); $ret['sel'] = $sel->getSelect(); print json_encode($ret); ?>