function displayEvent(val) {
    window.location.href = 'events.php?ev_id=' + val;
}

function displayActivity(val) {
    window.location.href = 'activities.php?act_id=' + val;
}

function changeSubscribeType( v ) {
    if( v == 'usps' ) {
        document.location='index.php?mode=usps';
    } else {
        document.location='index.php?mode=email';
    }
}