Session handling and error checking

The following files are used for session handling and error checking:

Name	Description
checksession_js.csp	Checks for a valid ePortfolio logon session.
errorpage.csp	Displays an error number and message.
handleerror_js.csp	Handles ePortfolio errors.
invalidsession-child.csp	Informs the user that the ePortfolio logon session is no longer valid.
invalidsession-main.csp	Informs the user that the ePortfolio logon session has expired.
submitInfo.js	Displays account information alert messages.