document.addEventListener('DOMContentLoaded', function(){
  const as = document.getElementsByTagName("a") || [];
  for (let i = 0; i < as.length; i++) {
    const a = as[i];
    const href = a.getAttribute("href");
    if (href &&
      href.indexOf("ai-gazoukan.com") > 0 &&
      (href.indexOf(".jpg") > 0 || href.indexOf(".jpeg") > 0) &&
      href.indexOf("upscale") < 0) {
      
      const newHref = "https://us-central1-image-upscaler-e1517.cloudfunctions.net/upscaler/upscale?a=1&src=" + encodeURIComponent(href);
      a.setAttribute("href", newHref);
    }
  }
});