// inicializa datatable
$('#subscription_mail').focus(function() {
    $('#subscription_mail').val('');
});
//
$('#subscription_name').focus(function() {
    $('#subscription_name').val('');
});
//
$('#form_submit').click(function() {
    $.getJSON(
    'index.php?r=Subscription/RequestSubscription',
    {email:$('#subscription_mail').val(),name:$('#subscription_name').val()},
    function(json) {
        if(!json.error) {
            var status = json.status;
            var data = json.data;
            if(status=='OK') {
                $('#subscription_mail').val('');
                $('#subscription_name').val('');
            }
            alert(data);
        }
    });
});