Windows Media Video supports URL “flips”. At a point during playback, typically at the end, the URL marker created in Premiere launches their browser to a web page.
To Create a URL link within the video screen requires an Mpeg 4 or Flash approach. Premiere can export .flv files used in Flash authoring, and the H264 Mpeg 4 files used in SMIL (simultaneous multimedia integration language) and other authoring environments.