У вашего броузера проблема в совместимости с HTML5
Sega introduced Lock on technology in 1994 with Sonic and knuckles. Was this technology cool or not and what did it do? codes for S&K : https://docs.google.com/file/d/0B0cOCdNCiaNfdGhEZjJqU0hqem8/edit?usp=sharing