function getCookie(name){
var cookies = document.cookie.split(/; /g);
var cookie;
for(var i=0; i<cookies.length; i++){
    cookie=cookies[i].split("=");
    if(cookie[0] == name){
        var value = cookie[1];
    }
}
return value;
}
if (getCookie('mkidn_first') == undefined){
document.cookie = 'mkidn_first = true';
}