The following navigation utilizes arrow, enter, escape, and space bar key commands. Left and right arrows move through main tier links and expand / close menus in sub tiers. Up and Down arrows will open main tier menus and toggle through sub tier links. Enter and space open menus and escape closes them as well. Tab will move on to the next part of the site rather than go through menu items.
SOLAR SYSTEM- DELTA SCIENCE READERS by JOHN CAFARELLA; NANCY HAYES; KIMBERLY KUHLMAN; ARTHUR LEBOFSKY; JOHN MARCHACOS; LINDA SMITH |
ISBN#:1592422594
ISBN13#:9781592422593
Access#:1855
Pages#:20