It's totally doable with a good deal of programming, but mysidia, if I recall, tends to be rather buggy with ajax (which I believe you would need for such a thing). I know some users have managed to work with it (see this thread;
http://mysidiaadoptables.com/forum/s...ead.php?t=4989), so I would look into that. I plan on hiring a programmer to do this for my site eventually :)