To do this you will need to login into the backend (administration section) and then go to ‘Extensions’ on the top menu bar and then clicks on ‘Plug-in Manager’. Scroll down and click on the ‘JoomlaCK' or 'JoomlaFCK ’(depending on the version).

Once opened you will be able to change the 'Location path of Flash, Media and Documents files’ in parameters on the left-hand side.

To apply the setting and close click on 'Save'.