Animate Div - I began with some basic animation techniques, such as growing and shrinking a div. You’ll need to know how to use setTimeout() and also how it differs from setInterval(). After that, you’re ready to jump into some real animation.
Editing - Tim Taylor strikes again with his Edit in Place implementation. You may also want to look at the popular [editable business card](http://www.baekdal.com/articles/ Usability/usable-XMLHttpRequest/ “Editing and user interface”) over at Baekdal. Personally, I’m looking forward to the possibilities opened up by the IE only contenteditable.