How to fix "Search this blog" gadget keep loading message at blogger.com error?

Forget the blogger or blogspot.com own "Search box" gadget.
Get a new gadget or widget from Google Custom Search.
www.google.com/cse/.
Create your own search engine here.Add your site(s).
Get the code and paste in the html/javascript box of your blog.
Make sure you have only one custom search engine placed on your blog.
This way you can avoid keep loading message of "Search box" gadget of blogger.com.
You can monetize aswell in the custom search engine by placing adsense ads.