code: function(frame) {
          if (script2) {
              script2.parentNode.removeChild(script2);
              script2 = null;
          }
          if (script) {
              clearTimeout(tref);
              script.parentNode.removeChild(script);
              script.onreadystatechange = script.onerror =
                  script.onload = script.onclick = null;
              script = null;
              callback(frame);
              callback = null;
          }
      }
docs: Opera synchronous load trick.