docs: function (request) {
              var iFrame;
              var browser = ariaCoreBrowser;
              var document = Aria.$frameworkWindow.document;
  
              // Issue when using document.createElement("iframe") in IE7
              if (browser.isIE7) {
                  var container = document.createElement("div");
                  container.innerHTML = ['<iframe style="display:none" src="',
                          ariaCoreDownloadMgr.resolveURL("aria/core/transport/iframeSource.txt"), '" id="xIFrame',
                          request.id, '" name="xIFrame', request.id, '"></iframe>'].join('');
                  document.body.appendChild(container);
                  iFrame = document.getElementById("xIFrame" + request.id);
                  request.iFrameContainer = container;
              } else {
                  iFrame = document.createElement("iframe");
                  iFrame.src = ariaCoreDownloadMgr.resolveURL("aria/core/transport/iframeSource.txt");
                  iFrame.id = iFrame.name = "xIFrame" + request.id;
                  iFrame.style.cssText = "display:none";
                  document.body.appendChild(iFrame);
              }
              request.iFrame = iFrame;
  
              // Event handlers
              iFrame.onload = iFrame.onreadystatechange = this._iFrameReady;
          }