function ToggleSound() {
    var snd = document.getElementById('sound');
    var img = document.getElementById('sound_img');
    var val = snd.getAttribute('value');
    img.title = 'Turn the sound ' + val;
    if (val == 'on') {
        val = 'off';
        snd.innerHTML = '';
        //snd.innerHTML = '<a href="aaa">sjd</a>';
    } else {
        val = 'on';
        if (navigator.userAgent.indexOf('MSIE') != -1) {
            snd.innerHTML = '<br /><bgsound src="/Themes/tigerloop.mp3" loop="infinite" />';
            //snd.innerHTML = '<a href="aaa">sjd</a>';
            //alert(snd.innerHTML);
        } else {
            snd.innerHTML = '<embed src="/Themes/tigerloop.mp3" autostart="true" loop="true" type="audio/mpeg"></embed>';
        }
    }
    snd.setAttribute('value', val);
    img.src = '/Themes/sound-' + val + '.jpg';
    SetCookie('sound', val);
}