jQuery plugin installation (overlay effect) -

i need help, found below jquery plugin not info on how install it, can enlighten me? thank you.

http://ryun.github.io/hcaptions/

simply have follow below steps

1) download code or clone code github repository

2) add library in project folder

3) add javascript library file , jquery file html code

<script src="path of jquery file" type="text/javascript"></script> <script src="path of library file" type="text/javascript"></script> 

4) apply library per document

<script type="text/javascript"> $(document).ready(function(){    $(selector).hcaptions({       effect: "slide",       speed: "1000"    }); }); </script>