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>My big worry is expired sessions. Any ideas how to solve that without using a new-session URL? > >Tim You also pass along a session id and if the user times out, she could log back in and continue the previous session. As for, >One of the few useful things that came from that whole HTML Frames >confusion was the ability to specify a 'target' to links. if you use a >target name that's not an existing frame, it'll pop up in a new window. >(without requiring javascript to handle the popup). if you use a >consistent name, it'll recycle the existing window: > > <a href='some_url' target='LibraryThing'>some text</a> > >See the HTML specs for more details: > http://www.w3.org/TR/html401/present/frames.html#h-16.3 > > >There are also some common keywords to use (_top, _blank, _new), which are >widely supported, but I can't find them in the HTML docs. I would not recommend this because it is not standards compliant. W3C standards reserve only four names for the target attribute "_blank", "_parent", "_self", and "_top". Some developers also use "_new" instead of "_blank" as the value for the target attribute to open a link in a new window, although W3C standards do not define that as a target name, thus browsers may ignore it or treat it as a synonym for "_blank". Browser settings can override all of this. Michael Sutherland