Treeview Async Question

Treeview Async Question

 
I have the Treeview Async working. It does a JSON call each time a LI is opened and gets the sub UL list.
 
Everything works great.
 
However, I want to fire the load event for specific LI so I can load the tree and get & open only certain sub UL lists.
 
How can I fire the load event for just certian LI when using the async treeview?
 
Tom