$to_email=array();/*ADDED*/
$to_icq=array(); /*ADDED*/
while ($r = db_rowarr($c)) {
    if ($r[2] & 16) {
        $to_email[]= $r[0]; /*ADDED*/
//      $to_email['EMAIL']=$r[0];
    } else {
        $to_icq[] = $r[1].'@pager.icq.com'; /*ADDED*/
//      $to_email['ICQ']=$r[1].'@pager.icq.com'; 
    }
    if (isset($r[4]) && is_null($r[3])) {
        $tl[] = $r[4];
    }
}
$to['EMAIL']=$to_email; /*ADDED*/
$to['ICQ']=$to_icq; /*ADDED*/

if (is_array($to)) {
//  $to = $to[0];
    $to_tmp=$to[0]; /* ADDED*/
    if (count($to) > 1) {
        unset($to[0]);
        $bcc = 'Bcc: ' . implode(', ', $to);
    }
    $to=$to_tmp; /* ADDED */
}