1) Launch NB r66718 on Snow Leopard ( 10.6.4 ) 2) Go to http://faculty.ed.uiuc.edu/g-cziko/jazz/autumn_mp3.mov 3) Resize the browser to the smallest size 4) Hover mouse over sound icon on the controller. Notice the volume controller appears then closes ( and cycles between opening / closing ) See attached movie.
Created attachment 66607 [details] .zip file of compress QT movie that shows the issue with controller
Looking at video, it is about old media controls, which are now changed in Safari / WebKit, so it wouldn't be reproducible. Marking this as 'RESOLVED CONFIGURATION CHANGED'.