Placemark group ordering

Hello,
i have created a map with menu position. I have set the Placemark Groups i want to include and are shown in the correct order on the left of the map. What i cant find is how to set which group will be on top of the other. Whatever change i did had no effect. Any help appreciated because this is urgent.

Thank you.

Hi.

Open map details. Go to tab "Placemark Groups"

The drop down list item "Group ordering"
- Group Title - sort by alphabet of group's title
- Category and ordering - sorting by category title, after that ordering
- User ordering index - sort by number index, which you can set in Group Details - field "User ordering index"

I have done that and on the left i see placemark groups in the way i want. But on the map it does not show the icons in the order of the placemark groups.

You can check if you like what i mean here olne.gr/en/map

On the map the third group shows its icons first, on top of all others.
Thank you for the immediate response