Fullscreen.js

Fullscreen manage tool which, I suppose, cross browser... modern browsers

Simple tools for fullscreen management. Yeap, is not perfect =), have to be polished and test covered.

But this tools can save your time in any case.

Short API list:
- fullscreenElement - find current fullscreen element
- requestFullscreen - try to enter to fullscreen mode
- cancelFullscreen - exit fullscreen mode
- addFullscreenChangeListener - add event listere for change fullscreen state
- removeFullscreenChangeListener - remove event setted above
- isFullscreen - check is fullscreen mode enabled