OSCommerce left navigation menu

OSCommerce Left Menu Navigation We would like our left menu to be automated from the admin section. At the moment on our website we create the menu by hand! What i would like is for the following - - Menu structure to be taken from the products categories as with original code. - Menu structure to be editible in admin area. - Menu to be list instead of table based. - Menu to be SEF urls You can see on our live website how the menu should look using lists and SEF [login to view URL] I have put original categories code into our test website where the work needs to be done before it goes onto live website [login to view URL] Please feel free to use any contributions you feel will help with this project