Returns a style value that can be used to hide or show an error message for weak passwords.
The value is generated automatically based on the Password security field in the system security settings.
(Tools tab > Control panel > System > Security panel)
Returns an empty string ("") if a new password is too weak (does not contain both letters and numbers), otherwise "None" is returned.
The value should be used in a style="DISPLAY: " attribute.
The tag can be used for New password prompts.