var XHR = ("onload" in new XMLHttpRequest()) ? XMLHttpRequest : XDomainRequest;
var xhr = new XHR();

var url2 = 'https://weather-forecast.nz/informer1.js?code=moscow&s=rus&r=moskva&bgcolor=fa424a&tcolor=ffffff&scolor=ff9881&font=Arial&width=400px&radius=0px&border=0px&shadow=0&graph=0&gradient=0&icons=0';

xhr.open('GET', url2 , true);

xhr.onload = function() {
  document.getElementById("pp_informer1").innerHTML = this.responseText;
}
xhr.onerror = function() {
  document.getElementById("pp_informer1").innerHTML ='Ups.. something is wrong!<br>Please, contact <a href="https://weather-forecast.nz">weather-forecast.nz</a> to fix it!';
}
xhr.send();