if(mysql_result(mysql_query("SELECT COUNT(vlan_id) FROM `vlans` WHERE `device_id` = '".$device['device_id']."' AND `vlan_domain` = '' AND `vlan_vlan` = '".$vlan."'"),0)=='0')
{
mysql_query("INSERT INTO `vlans` (`device_id`,`vlan_domain`,`vlan_vlan`, `vlan_descr`) VALUES (".$device['device_id'].",'','$vlan', '".mres($vlan_descr)."')");
echo("+");
}else{
mysql_query("UPDATE `vlans` SET `vlan_descr`='".mres($vlan_descr)."' WHERE `device_id`='".$device['device_id']."' AND `vlan_vlan`='".$vlan."'");