Javascript来处理用于书签的操作url锚点

I'd like to use the anchor part of the url (after the #) so that my page can have ajax/dhtml but still be able to have bookmarks work properly. I'm wondering is someone can help me get started on writing some javascript code for this. I'm using jQuery, but if the solution's a generic one, that's fine too.I'd like to use the anchor part of the url (aft