Create any Link in your favorites, or the link bar and name it for example like this:
Here is the url that you can paste into the url field in the property dialog of the link.
You can open any of the sample pages from the http://www.openajax.org/member/wiki/InteropFest_1.0 and try it.
If you click on the link you just created a extra area will be appended at the bottom of the page and all OpenAjax events will be shown in there.
If you like to know more about bookmarklets you can google this term and you will find a lot more tricks.
My favorite is: