$sql.=" AND ".$dateprint." BETWEEN '".$db->idate($start)."' AND '".$db->idate($end)."'";
}
if($sref)$sql.=" AND ".$doc_number." LIKE '%".$sref."%'";
if($sprod_fulldescr)$sql.=" AND (d.description LIKE '%".$sprod_fulldescr."%' OR p.label LIKE '%".$sprod_fulldescr."%')";
if($sprod_fulldescr)$sql.=" AND (d.description LIKE '%".$db->escape($sprod_fulldescr)."%' OR p.ref LIKE '%".$db->escape($sprod_fulldescr)."%' OR p.label LIKE '%".$db->escape($sprod_fulldescr)."%')";