SimpleTree Drag&Drop

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Tree Root 1
- Tree Node 1
  - Tree Node 1-1
    - {url:loadTree.php?tree_id=1}
- Tree Node 2
  - Tree Node 2-1
    - Tree Node 2-1-1
    - Tree Node 2-1-2
    - Tree Node 2-1-3
    - Tree Node 2-1-4
      - {url:loadTree.php?tree_id=1}
  - Tree Node 2-2
    - Tree Node 2-2-1
  - Tree Node 2-3
    - Tree Node 2-3-1
      - Tree Node 2-3-1-1
      - Tree Node 2-3-1-2
      - Tree Node 2-3-1-3
        
        Tree Node 2-3-1-3-1
      - Tree Node 2-3-1-4
      - Tree Node 2-3-1-5
      - Tree Node 2-3-1-6
        
        Tree Node 2-3-1-6-1
      - Tree Node 2-3-1-7
      - Tree Node 2-3-1-8
      - Tree Node 2-3-1-9
        
        Tree Node 2-3-1-9-1