treeview menu like telerik's in sharepoint

[shaun pitt]

Hi There,

I would really like to create a menu (i think using the treeview control) like the one on this page:

http://demos.telerik.com/aspnet-ajax/treeview/examples/overview/defaultcs.aspx

It is the tree like menu that appears under the title "TreeView" on the left hand side, with the little triangles.

I am using SharePoint.

could you point me in the right direction

Shaun