Dynamic web content and SQL
Check if a password is valid
Return true if the user has supplied the proper password.
By default, password are not validated. The component is only
used to preserve session variable in that case.
Password to validate
Exec the web page when access is validated
At this point, session variable are reloaded and will be saved
when this functag ends
Web context for authentication
Session variables are W_VAR (W_SSTRING, W_INT) defined
with the option S. They are loaded/saved on a user per
user basis. Users (session in fact) are identified by a cookie.
Preserve session variable into an SQL database