function play_music(){
    if ($('#mc_play').hasClass('on')){
        $('#mc_play audio').get(0).pause();
        $('#mc_play').attr('class','stop');
    }else{
        $('#mc_play audio').get(0).play();
        $('#mc_play').attr('class','on');
    }
    var myVid = document.getElementById("music");
    myVid.volume=0.1;
    $('#music_play_filter').hide();
    event.stopPropagation(); //阻止冒泡
}

function just_play(id){
    $('#mc_play audio').get(0).play();
    $('#mc_play').attr('class','on');
    var myVid = document.getElementById("music");
    myVid.volume=0.1;
    if (typeof(id)!='undefined'){
        $('#music_play_filter').hide();
    }
    event.stopPropagation(); //阻止冒泡
}

function is_weixn(){
    return false;
    var ua = navigator.userAgent.toLowerCase();
    if(ua.match(/MicroMessenger/i)=="micromessenger") {
        return true;
    } else {
        return false;
    }
}