c3po is a JavaScript utility to handle all 3rd party widgets.
Build by combining c3po.js and any desired 3rd party providers from providers/ into your app code.
In your pages, put the widget tags as usual:
<div class="fb-like" data-href="http://phpied.com"></div>
Whenever you're ready, call:
c3po.parse()
More details: http://phpied.com/c3po-common-3rd-party-objects