I have just found out that it's best to link to Google CDN as per this article
However I am trying to use an image sliding script as seen on this template
This calls in 3 scripts which are
Now I see I can replace the 1st line with
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js" ></script>
But what I am trying to work out is can the next 2 lines also be called from elsewhere this is my question that I cant find an exact answer.