Plan C: Signed JavaScripts

The Mozilla docs on JavaScript security give a hint of hope that signed scripts will work around the cross-domain script exclusions that all good browsers enforce. But an item at DevArticles.com throws water on the idea:
Signed scripts are primarily useful in an intranet environment; they’re not so useful on the Web in general. To see [...]

Plan B: Remote Scripting With IFRAMEs

I have plans to apply AJAX to our library catalog but I’m running into a problem where I can’t do XMLHttpRequest events to servers other than the one I loaded the main webpage from. Mozilla calls it the “same origin policy,” everyone else calls it a cross-domain script exclusion, or something like that.
Some Mozilla folks [...]