I may change the password from time to time to exclude casual users, or users may forget the password following years when they had lost interest and now again want access. Many users are as forgetful as I am, and need to be reminded of the password each time they access the page. It is possible for the administrator of the site to have changed email addresses from one user's access to the next time.
It appears a straight forward addition to the page that would be of great assistance, and no negatives. Poolzone a mere cog in a revolution