Cross-domain iframe communication for modern browsers + IE8

scratch2

  if (typeof(window.postMessage) == 'function') {
    window.frames['frame_name'].postMessage(message, '*');
  } else if (typeof(window.postMessage) == 'object') {
    window.setTimeout(function() {
      window.frames['frame_name'].postMessage(message, '*')
    }, 0);
  }

  if (typeof window.postMessage == 'function') {
    window.removeEventListener('message', receiveMessage, false);
  } else if (typeof window.postMessage == 'object') {
    window.detachEvent('onmessage', receiveMessage);
  }