Go to the Sign in tab in the upper right corner of the FCBLhoops.org screens
If you are set up as a Team Contact for your team,
then use your email address as your log in (the email address has to match the one used in your team contacts)
For the first attempt, submit that email address as the login, and with the password box being left blank. This will trigger a password creation step.
Remember that password and use it in combination with your email address as the log in, and this will give you admin powers for any and every team that you are listed as a Team Contact for.