window.onload = function(){
    if(document.cookie.indexOf("kinder_is_12")>=0) {
        document.getElementById("age").style.display = "none";
        document.body.style.overflow = "visible";
    }

    document.getElementById("ageBtnYes").onclick = function(e){
        var d = new Date(new Date().getTime()+(5*24*60*60*1000));
        document.cookie = "kinder_is_12=true;expires=" + d.toGMTString() + ";path=/";
        document.getElementById("age").style.display = "none";
        document.body.style.overflow = "visible";
    }
}