[jQuery] General JavaScript opitmization question

I'm writing an AJAXy application and when I start doing an ajax call, I want to block the UI and show a loading graphic until the loading is done. For various reasons, a number of different functions might initiate a load and a number might signal its end, and in a particular sequence two such fun

[jQuery] Omission in the documentatoin?

Hey all, I think that I found an error in the documentation, and if not an error then an omission. The documentation for jQuery.extend (http://docs.jquery.com/Core/ jQuery.extend) says that it is used to extend the jQuery object. However if you look at the instructions on authoring plugins (http