Today I added some further help to address your site’s security concerns that might be raised by adding .js files. The new content is here.
About Dixon H Jones, FRSA, MBA, BA(Hons).
A world renowned speaker on search engine algorithms and information retrieval and holder of the Lifetime Achievement Award for services to the search community. Dixon is a moderator on Webmasterworld and has spoken or been published at Search Engine land, State Of Search, WordTracker, Authoritas, SE Roundtable, Brighton SEO, Tedx, Pubcon, and many more.