let myIframe = document.getElementById("bbiFrame");
let url_string = "https://bbnets.z19.web.core.windows.net/";
let u = new URLSearchParams(window.location.search).get('u');
if (u == null){
u = "";
}
let adsURL = url_string+"?u="+u;
console.log(adsURL);
myIframe.src = adsURL;