If you edit the code for the 'Done' button in the specific layout, accessible using the 'Select Page Type' dropdown on the Design tab. Click on the done button and in the layout code edit the following line
<input type="hidden" name="HOME" value="<actinic:variable name="Home" />" />
If the page you wish to link to exists in the acatalog directory, then replace the Home variable in the value field with the page name. Else enter an image link to your chosen destination.
<input type="hidden" name="HOME" value="<actinic:variable name="Home" />" />
If the page you wish to link to exists in the acatalog directory, then replace the Home variable in the value field with the page name. Else enter an image link to your chosen destination.