The main layout of this website is based on the principle of universal web accessibility and divided into two major areas--main menu links and main content links.
The shortcut keystroke combinations for this website have been set as follows:
* Alt+T--Top main menu: this part includes links to the menu of main functions.
* Alt+L--Left submenu: this part includes links to the menu of different sections.
* Alt+C--Center main content display area: this part displays the information content for each web page.