To plug Annotorious into the OKFN Annotator Web annotation system, download the Annotorious Annotator Extension and add this code to your page head:
<link rel="stylesheet" type="text/css" href="css/annotorious.css" />
<script type="text/javascript" src="annotorious.okfn.js"></script>
Set up Annotator as usual, and register Annotorious via Annotator's plugin API:
<script>
$(document.body).annotator()
.annotator('addPlugin', 'AnnotoriousImagePlugin');
</script>
Annotorious