mysite/js/jqueryplugin/
and in your html you should include it with the script tag:
<script type="text/javascript" src="js/jqueryplugin/plugin.js"></script>
Also, if it has css files, you need to include them too, just include the right path:
<link type="text/css" rel="stylesheet" href="js/jqueryplugin/css/style.css" />
Where it will be stored, you decide, the main thing that the path would be reachable, once everything included you can use the plugin like any javascript code, usually a plugin is a class with it's own methods which you use or a function with parameters.



