llScreen)) {
                    if ((document.fullScreenElement !== undefined && document.fullScreenElement === null) || (document.msFullscreenElement !== undefined && document.msFullscreenElement === null) || (document.mozFullScreen !== undefined && !document.mozFullScreen) || (document.webkitIsFullScreen !== undefined && !document.webkitIsFullScreen) || (document.fullscreenElement !== undefined && document.fullscreenElement === null)) {
                        if (elem.requestFullScreen) {
              