Something's wrong here. When I use the following files (from the dev bundle) it does not work:
ui.core.min.js ui.datepicker.min.js When I substitute the "personaized" file (core, datepicker, tabs) it works jquery-ui-personalized-1.6rc6.min.js When, on a hunch, I went back to the individual files and added ui.tabs.min.js, it still did not work. However, I now (finally) am at least seeing an error: $("#date_from").datepicker is not a function I was getting no errors at all, earlier. I tried ui.all also with no luck. The only version that's working is the personalised package. This page is cursed, I tell you.