To assign a menu to a document:
Select Manage for your document from the homepage
Select the Menu tab
Choose the menu you wish to use from the drop-down list
Changes can be made to your menu even if it has been assigned to a document. To do this navigate to the menu in settings.
Click 'Edit' for the menu you wish to change.
If you have documents that are part of a suite of related documents, apply the menu to all of the related documents.