This website is based on the design principle of accessibility and uses keyboard shortcuts to strengthen the browsing convenience Layout is divided in 3 areas:
- 1. the content zone at the center,
- 2. the menu zone at the bottom.
The Accesskeys (shortcut key) used by this site are designated as follows:
Alt + C: Main content area shows the content of each page.
Alt + B: Bottom link area of this website, include main navigation.
Note: The way of accessing the shortcut key is varying in different browsers:
Firefox: Alt + Shift + accesskey
Mac: Control + Alt + accesskey
Tab: Pauses after this label, may move using the Tab key to the content page glances over this material.
Tab + Shift: Presses Tab + Shift to be possible the round trip migration to the previous material.