var tpMenuOver = function(id) {
    // locate in current page (Div)
    $(".content-index-container").not("#" + id).hide(); $("#" + id).show();
    // locate in iframe
    $(".content-index-container", getScrollContainer()).not("#" + id, getScrollContainer()).hide(); $("#" + id, getScrollContainer()).show();
}

var tpMenuOut = function() {
    var id = 'welkom';
    // locate in current page (Div)
    $(".content-index-container").not("#" + id).hide(); $("#" + id).show();
    // locate in iframe
    $(".content-index-container", getScrollContainer()).not("#" + id, getScrollContainer()).hide(); $("#" + id, getScrollContainer()).show();
}