+window[chromehidden~="toolbar"] #navigator-throbber[busy="true"],
+toolbar[mode="text"] #navigator-throbber[busy="true"],
+toolbar[mode="icons"] #navigator-throbber[busy="true"],
+toolbar[iconsize="small"] #navigator-throbber[busy="true"] {
+ list-style-image: url("chrome://communicator/skin/brand/throbber16-anim.gif");