nested sets multi level menu

[eluser]Emilhse[/eluser]
HI can anybody tell me where i can download ci nested sets
i need to do category tree by the information i found nested sets is the best way to do that
thanks in advance

[eluser]InsiteFX[/eluser]
CodeIgniter WIKI

[eluser]Emilhse[/eluser]
thank you very much if any body can help me with woking example for multi level category tree
i would be preciated;