using jstree 1.0 ,how can I exhibit the child nodes in lower level than the parent? when I click on the parent, I expect to see children in a place after parent,that I can diagnose the parent and its children, but they are all shown in the same level. which property should I set??? i have this problem by using both data and ajax in json-data plugin, i mean using just data and setting node with attr and child, i wont have this problem