You might want to put a visible textual indication of what each icon means. Macintosh browsers don't have 'tooltip'-style display of alt-text, or at least, the ones I usually use don't. I could tell what each thing was by looking at the linked URL in the status bar, but that isn't foolproof.
(no subject)
Date: 2003-07-29 02:33 pm (UTC)(no subject)
Date: 2003-07-29 02:36 pm (UTC)(no subject)
Date: 2003-07-29 02:43 pm (UTC)(no subject)
Date: 2003-07-29 02:55 pm (UTC)(no subject)
Date: 2003-07-29 03:11 pm (UTC)(no subject)
Date: 2003-07-30 02:59 am (UTC)(no subject)
Date: 2003-07-30 03:33 am (UTC)They don't honor the 'title' attribute either? That's a pain. Oh well, I'll sort something out sometime soon...
(no subject)
Date: 2003-07-30 12:15 pm (UTC)(no subject)
Date: 2003-07-30 03:49 am (UTC)(no subject)
Date: 2003-07-30 05:05 am (UTC)