Javascript : FullScreen Mode

/* Get into full screen */
function GoInFullscreen(element)
{
    if(element.requestFullscreen)
        element.requestFullscreen();
    else if(element.mozRequestFullScreen)
        element.mozRequestFullScreen();
    else if(element.webkitRequestFullscreen)
        element.webkitRequestFullscreen();
    else if(element.msRequestFullscreen)
        element.msRequestFullscreen();
}

/* Get out of full screen */
function GoOutFullscreen()
{
    if(document.exitFullscreen)
        document.exitFullscreen();
    else if(document.mozCancelFullScreen)
        document.mozCancelFullScreen();
    else if(document.webkitExitFullscreen)
        document.webkitExitFullscreen();
    else if(document.msExitFullscreen)
        document.msExitFullscreen();
}