THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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To control what items show up in the navigation list, modify the $NOAUTH_HOMENAV array. Each key in the array is the text that will show up in the navigation list. Each value in the array is what that item will link to.
This is what the login page looks like with the navigation links disabled:
This is what the page looks like with the navigation links enabled: