Highlight selected node in tree

I have a tree in the left, representing my company´s departments structure and in the right, when clicked, I show the employees that are subject to that department.
I´ve noticed there´s no visual nor code (id, class, nothing) difference between the currently selected node of a tree and the others.
There´s a way to do that? I thought about using js, but the only way a see to do that is using a regex in the link text of that node, comparing to the variable that that was passed to the page.
Someone?
Thanks

Trees currently don’t have a concept of a “current” node. You could try using lists instead; though they won’t be query based, they would have to have static values. And in the current 1.6 version you can’t have hierarchical lists, though that will be added in 2.0.
Marc

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