How to create Site quick tour of the page's new features? (like one youtube has tooday) [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance. 开发者_StackOverflow Closed 10 years ago.

So I want when user cliks on a buttom UI to be blocked and tour started... Are there any librarys for that?

---

Yes there are many libraries that will do this. One I've used with success is Complete UI Spotlight

(disclaimer: I work for Nitobi, who develop Complete UI)