Get random photo from Flickr Interestingness

flickr-interestingness-json.js

function loadJSON(url) {
  var headElt = document.getElementsByTagName('head')[0];
  var jsonScript = document.createElement('script');
  jsonScript.type = "text/javascript";
  jsonScript.src = url;
  headElt.appendChild(jsonScript);
}
var flickAPIkey = "your API key goes here";
loadJSON("http://api.flickr.com/services/rest/?method=flickr.interestingness.getList&api_key=" + flickrAPIkey + "&per_page=100&page=1&format=json");
function jsonFlickrApi(obj) {
  var i = Math.floor(Math.random()*100);
  var photo = obj.photos.photo[i];
  var url = "http://farm" + photo.farm + ".static.flickr.com/" + photo.server + "/"+ photo.id + "_" + photo.secret + ".jpg";
  var link = document.createElement('a');
  link.href = "http://www.flickr.com/photos/" + photo.owner + "/" + photo.id;
  link.target = "_none";
  var image = document.createElement('img');
  image.setAttribute('src',url);
  image.setAttribute('title',photo.title);
  link.appendChild(image);
  document.getElementById('flickphoto').removeChild(document.getElementById('rotator'));
  document.getElementById('flickphoto').appendChild(link);
}