Scroll nodes into view
    scrollIntoView([id])
    
    
        | id | string, optional, id of the sidebar node | 
    
 
Returns 
undefined.
Description
This method will scroll node with id = 
id into view. If no node specified, then selected node will be
scrolled into view. The sidebar node is identified by the 
.id property.
it will search the entire sidebar including all its nested nodes. The method returns the number of nodes it removes.
If you have sidebar defined in the following way:
You can: