This Website has been designed as an Easy Access Website. Access Keys are added in the web pages to facilitate the Easy Access functions. The web pages of this site are divided into four panels:
1) the upper menu penal、 2)the left menu panel、 3)the content panel in the center.

Access keys (or hotkeys) are configured as the following:

Alt+U: The navigational links frame has a list of the main links for the site.
Alt+L: The service menu frame is on the left side of the site.
Alt+C: The main content frame shows the main document content of the site.