Central Pushing a button or following a link doesn't appear to do anything.
Mail uses javascript for many functions.
Mail using a browser that is capable of handling javascript, you'll be logged into the frames version. To enable javascript, follow the instructions below for your browser and version. Netscape 2.x for Mac doesn't support Java. Mail will automatically log you in to the non-frames version. At the bottom of the page in the Active Content box, make sure all the boxes have checks.