Insert your new file text here.

<script>
var imageURLs = [];
var imageURLsIndex = 0;
var imageNum = 3;
  
function receiveMessage(event) {
  console.log("event detected");
  console.log(event);
  if (event.data == "round_started") {
    alert("New ad round started in Qualtrics.");    
    var qualFrame = document.getElementById("qualFrame").contentWindow;
    qualFrame.postMessage({"img_src": imageURLs[imageURLsIndex++]}, "*");
  }
}
  
function initialize() {
  $("#survey_title").html("Facebook Ads Survey");
  window.addEventListener("message", receiveMessage, false);
  
  getConsumables("facebookAdImages", "set1", imageNum, function(data, err) {
    imageURLs = data;
  });
  
  $("#qualFrame").attr("src","https://neu.co1.qualtrics.com/jfe/form/SV_bHDMdWW6yyMP0Vv/"+"&testId="+seed+"&subjectId="+myid);
  $("#qualFrame").attr("height",500);
  $("#qualFrame").show();
  
}
</script>

<h1 id="survey_title"></h1>
<iframe id="qualFrame" 
  name="qualtrics" scrolling="auto" frameborder="no" align="center" 
  width="100%"
  style="display: none;"></iframe>