If you are using Netscape Communicator, it will show you a bunch of dialog with informaiton about Certificate Authorities. Select "OK" or "Next" until you get to a dialog box that looks like this:
Click on the checkboxes for "network sites" and "e-mail users" so now the dialog box should look like this:
When it asks to name the certificate authority, name it Funkware Certificate Authority (CA-5).
Ok, that's it. Now go Load the CA Cert