function openMusicPlayer(musicFilePath) {
    var windue = window.open(
        '/Javascripts/audio-player-popup/MusicPopup.aspx?songPath=' + musicFilePath,
        'audioPlayer',
        'toolbar=no,titlebar=no,status=no,location=no,directories=no,menuBar=no,scrollbars=no,resizable=no,width=100,height=40,left=-50,top=-50');

    //set parent focus.
    windue.opener.focus();
    return windue;
}

function closeMusicPlayer() {
    var window = openMusicPlayer();
    window.close();
}

function musicIsPlaying() {
    if (opener && !opener.closed) {
        return true;
    }
    else {
        return false;
    }
}