function setMusic(state) {
    // Cookie expiration 1 year in future
    now    = new Date();
    expire = new Date(now.getTime() + (365 * 24 * 60 * 60 * 1000));

    // Validate state variable
    if (state) valstate = 1;
    else       valstate = 0;

    // Set cookie and reload
    document.cookie = 'silent=' + valstate + '; expires=' + expire.toGMTString() + '; path=/';
    document.location.reload();
}