<script src="conversations/conversations.js" type="text/javascript"></script>
If you are working with external documents be aware that the script tags on the external documents loaded via AJAX won't be executed unless the user is accessing the website from a page other than the home page, so everything should be declared in one JavaScript external file and linked from every document.
Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.