User information is available throughout the site by clicking Help in the navigation bar near the top or at the foot of any page.
Help pages are context-sensitive. For example, clicking Help on the Advanced Search page would take you to additional information about how to use the advanced search features.
A list of links to other Help topics can be found on the left-hand side of each Help page.
To return to the page from which you accessed Help, use your browser's Back button.