var Fullscreen = { 
available: false ,
request: '',
cancel: '',
keyboard: false }
; 
function init(){ 
var i; 
var fs = ['requestFullscreen', 'requestFullScreen', 'webkitRequestFullscreen', 'webkitRequestFullScreen', 'msRequestFullscreen', 'msRequestFullScreen', 'mozRequestFullScreen', 'mozRequestFullscreen'] ; 
var element = _AN_Call_createelement('createElement', document, 'div'); 
for (i = 0; i < _AN_Read_length('length', fs); i++ ){ 
if (element[fs[i]]) { 
Fullscreen.available = true ; 
Fullscreen.request = fs[i]; 
break ; 
} 
} 
var cfs = ['cancelFullScreen', 'exitFullscreen', 'webkitCancelFullScreen', 'webkitExitFullscreen', 'msCancelFullScreen', 'msExitFullscreen', 'mozCancelFullScreen', 'mozExitFullscreen'] ; 
if (Fullscreen.available) { 
for (i = 0; i < _AN_Read_length('length', cfs); i++ ){ 
if (document[cfs[i]]) { 
Fullscreen.cancel = cfs[i]; 
break ; 
} 
} 
} 
if (window.Element && Element.ALLOW_KEYBOARD_INPUT) { 
Fullscreen.keyboard = true ; 
} 
return Fullscreen; 
} 
module.exports = init();