>>> did you get any Javascript errors?
>
> No i get no error (javascript or other), but this problem is only sometime
> (after 5 zoomin or 20 zoomin) and only with IE.
> I will try with your test data to know if the error is in pmapper or in my
> data...
>
>>> you could try to modify the line
>>> if (in_array($ai, $this->groups)) {
>>> to
>>> if (in_array($ai, $this->groups) &&
>>> ($this->map->getLayerByName($ai)->status == MS_ON)) {
>>>
>>> in the 'pmap_setImgFormat()' function
>>>
>
> Thanks a lot for answer, it's exactly what i want. It's working fine.
>
