I did this a while back for a web Discussion Form developed in vfp. The pluses and minuses links are nothing more than regular html links. There may be some ActiveX or Java things out there that you could use, but, the best solution is probably just a link that updates its own image when you click it. I'm almost 100% sure this is what the UT is doing.

>I would to introduce a treeview control in a htm page, something like in a levelextreme.com page when we try to see de messages in a section.
>How can I do that?
>Can anybody help me..?
>Sergiu