() {
    for (var i = iStart; i < iStop; i++) {
      testCloneContents(i);
    }
  }
  expectedIframe.src = "Range-test-iframe.html";
  referenceDoc.appendChild(actualIframe.contentDocument.documentElement.cloneNode(true));
}
actualIframe.src = "Range-test-iframe.html";
</script>
