Returns True if the first node is an ancestor of the second node in the current hierarchy. Returns False if Node1 or Node2 is not found.
IsNodeAbove(Node1:String,Node2:String):Boolean
Node1 is the name of the first node to use.
Node2 is the name of the second node to use.
IsNodeAbove(Parent,Child)
Returns True if node parent is an ancestor of the child node.