playbksound();

// Sound Control
        function $$(name) {
            return document.getElementById(name);
        }
        function switchsound() {
            au = $$('bgsound');
            ai = $$('sound_image');
            if (au.paused) {
                au.play();
                ai.src = "images/music.png";
                pop_up_note_mode = true;
                popup_note();
                $$("music_txt").innerHTML = "ON";
                $$("music_txt").style.visibility = "visible";
                setTimeout(function () { $$("music_txt").style.visibility = "hidden" }, 2500);
            }
            else {
                pop_up_note_mode = false;
                au.pause();
                ai.src = "images/music_off.png";
                $$("music_txt").innerHTML = "OFF";
                $$("music_txt").style.visibility = "visible";
                setTimeout(function () { $$("music_txt").style.visibility = "hidden" }, 2500);
            }
        }

        function playbksound() {
            var audiocontainer = $$('audiocontainer');
            if (audiocontainer != undefined) {
                audiocontainer.innerHTML = '<audio id="bgsound" loop="loop"> <source src="images/background.mp3" /> </audio>';
            }

            var audio = $$('bgsound');
            audio.play();
            sound_div = document.createElement("div");
            sound_div.setAttribute("ID", "cardsound");
            sound_div.style.cssText = "position:absolute;right:20px;top:14px;z-index:157;visibility:visible;";
            sound_div.onclick = switchsound;
            if (document.body.offsetWidth > 400) {
                bg_htm = "<img id='sound_image' width='40px' src='images/music.png'>";
                box_htm = "<div id='note_box' style='height:100px;width:44px;position:absolute;left:5px;top:-70px'></div>";
            txt_htm = "<div id='music_txt' style='color:#cccccc;font-size:16px;font-weight:bold;position:absolute;left:-40px;top:20px;width:60px'></div>"
            }
            else {
                bg_htm = "<img id='sound_image' width='40px' src='images/music_off.png'>";
                box_htm = "<div id='note_box' style='height:100px;width:44px;position:absolute;left:-5px;top:-80px'></div>";
            txt_htm = "<div id='music_txt' style='color:#cccccc;font-size:16px;font-weight:bold;position:absolute;left:-40px;top:10px;width:60px'></div>"
            }
            sound_div.innerHTML = bg_htm + box_htm + txt_htm;
            document.body.appendChild(sound_div);
        }

 	//->