(function (window, undefined) {
    var SpeechRecognition = window.webkitSpeechRecognition;
    var SpeechSynthesis = window.speechSynthesis;

    if (!SpeechRecognition || !SpeechSynthesis) {
        var supportWarning = document.getElementsByClassName('brower-support');
        supportWarning[0].style.display = 'block';
    }
})(window);

@@ -37,156 +37,47 @@
 var 
-SpeechRecognition = window.webkitSpeechRecognition;%0A    var SpeechSynthesis = window.speechSynthesis;%0A%0A    if (!SpeechRecognition %7C%7C !SpeechSynthesi
+Canvas = window.canvas;%0A%0A    if (!Canva
 s) %7B

Support class correction