You can create a link with its target set to _top.
If that doesn't help, may I suggest you post more information? I think you're better off posting this in one of the client side forms, like the HTML or JavaScript forums here at p2p.wrox.com as it isn't really a server side ASP.NET issue.
Cheers,
Imar
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Imar Spaanjaars
http://Imar.Spaanjaars.Com
Everyone is unique, except for me.
Author of
ASP.NET 2.0 Instant Results and
Beginning Dreamweaver MX / MX 2004