I was just checking out their other site, decafsucks.com. They have a pretty slick "scroll to the bottom to auto-load more content" feature like Slashdot. What

I was just checking out their other site, decafsucks.com. They have a pretty slick "scroll to the bottom to auto-load more content" feature like Slashdot. What's cool is that everything (tabs, ajax paging) is done via the anchor in the URL, for example #list=highest&page=3. Does anyone know of a jQuery or Rails plugin that automates this task? Seems like a fairly generalizable thing to implement once and just reuse.