[jQuery] treeview - async - can we get a loading icon like this?

[jQuery] treeview - async - can we get a loading icon like this?


I included Jörn's treeview in an application mockup, and it's now
being implemented as an async tree menu by one of our .NET developers.
His only request/comment, so far, is "can we get a spinner icon like
this?"
http://developer.yahoo.com/yui/examples/treeview/dynamic_tree.html
click on any expand icon and note the brief loading icon as it first
loads
minor, certainly, but a nice effect. I know Jörn is working on the
async, so I thought I'd ask
Thanks,
rolfsf