= "none";
                            b.style.display = "none";
                            y.style.display = "block";

                        }

                    });

                }

                function toggleFullScreen(elem) {
                    // ## The below if statement seems to work better ## if ((document.fullScreenElement && document.fullScreenElement !== null) || (document.msfullscreenElement && document.msfullscreenElement !== null) || (!document.mozFullScreen && !document.webkitIsFu