DESCRIPTION: a JS script to add ambient bar charts, "backbars", to popular sites PROJECT PAGE: http://elzr.com/backbars COMPATIBILITY: Currently works on Firefox thru Greasemonkey. GOALS: * Work in Google Chrome, Safari Greasekit, Opera. * Work on more sites: Craigslist, Metafilter subsites.. * Better performance on busy sites. * Migrate to jQuery 1.4 (currently breaks for unknown reasons). * Eliminate server trips for background images.