Loading Social Scripts Async.

async_social_scripts.js

(function social_async (d) {
		var js,
				ref = d.getElementsByTagName("head")[0];
	
		js = d.createElement("script");
		js.defer = true;
		js.async = true;
		js.type = "text/javascript";
					
		var social_async_one = {						

          twitter: function(){
          	js.id = 'twitter';
						js.src = 'http://platform.twitter.com/widgets.js';
						ref.appendChild( js );
          },
					
          google_plus: function(){
            js.id = 'google_plus';
						js.src = 'http://apis.google.com/js/plusone.js';
						ref.appendChild( js );
          },
					
          linkedin: function(){
          	js.id = 'linkedin';
						js.src = 'http://platform.linkedin.com/in.js';
						ref.appendChild( js );
          }
		};
					
		social_async_one.twitter();
		social_async_one.linkedin();

}(document));