Unlocks the sidebar.
unlock()
Returns undefined.

#### Description

This method will unlock the sidebar previously locked with .lock() method. This method will call w2utils.unlock() to perform the action.
If you have following sidebar: $('#sidebar').w2sidebar({ name : 'sidebar', img : 'icon-page', nodes: [ { id: 'id-1', text: 'Level 1' }, { id: 'id-2', text: 'Level 2' }, { id: 'id-3', text: 'Level 3' } ] }); And if the sidebar is locked, you can unlock it by w2ui.sidebar.unlock();