function onNodeInsertedFn(callbackFn) {
  nodeInsertedCallbacks.push(callbackFn);

  // initalize listeners
  if (nodeInsertedCallbacks._initialized === undefined) {
    jqLite.on(doc, 'animationstart', animationHandlerFn);
    jqLite.on(doc, 'mozAnimationStart', animationHandlerFn);
    jqLite.on(doc, 'webkitAnimationStart', animationHandlerFn);

    nodeInsertedCallbacks._initialized = true;
  }
}
Register callbacks on muiNodeInserted event
@param {function} callbackFn - The callback function.