get Selected Text

• 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