On Mon, Dec 5, 2011 at 5:00 PM, Nate Hill <[log in to unmask]> wrote: > Here's the work in process, and I believe it will only work in Chrome right > now. > http://www.natehill.net/vizstuff/donerightclasses.php In this case, it looks like there really isn't that much data. I'd preprocess everything into a big JSON object and just have all the data instead of using AJAX for this task. And actually, if you have some automated process writing the .CSV file, I might have that same process (or a follow-on process) generate your JSON and serve it statically instead of doing it on the fly in PHP. -n