Complete My Php Script to Display Directory Structure

I have a PHP script that is displaying Chat rooms in a directory structure. I need two things to be done 1. The grey lines for the tree structure atatched is the screen shot 2. The auto re-loading of the tree if any changes in database backend [login to view URL] click on each row I will provide latest codes and Db structure ## Deliverables i will provide the PHP file and database design to the winning bidder