Destroy OL objects which use the dataLayer before we destroy the layer or we will get errors which stop the rest of stopBrowse() executing.
Destroy OL objects which use the dataLayer before we destroy the layer
or we will get errors which stop the rest of stopBrowse() executing.



tillmo/do-roam,tillmo/do-roam,tillmo/do-roam,tillmo/do-roam,tillmo/do-roam,tillmo/do-roam