Scrolling Parent Window for iframes

gistfile1.txt

// PARENT WINDOW
(function () {
  function scrollWindow(evt) {
      var message;

      if (evt.origin !== "iframe_URL_HERE" ) {
          message = "Action cannnot be performed";
      } else {
          var x =  evt.data.xAxis || 0;
          var y = evt.data.yAxis || 0;
          window.scrollTo(x,y);
      }
  }

  if (window.addEventListener) {
      // For standards-compliant web browsers
      window.addEventListener("message", scrollWindow, false);
  } else {
      window.attachEvent("onmessage", scrollWindow);
  }
}());