>>>You find it everywhere on web pages these days. I am talking about the hyperlink with 2 underlines that pop up a
>>>small window when the mouth is over it then they disappear or you can click on them.
>>>
>>>What's the technical name for those hyperlinks? and do you know how it is done?
>>>
>>>Thanks
>>
>>There is a new Hyperlink class in VFP9.
>
>I am talking about web application not VFP. you know what i am talking, right.
>
>Thanks

Are you talking about something like Modal popup extender (AJAX)?

You better ask your question in .NET forum, I have some other ideas...