backstretch.js and slider.js for sliding in website

<script src="jquery.backstretch.js"></script>

<script type='text/javascript' src='Slider.js'></script> 

 <script>

      $.backstretch([

          "3.jpg",

          "PLI_Industry_dixon.jpg",

          "PLI_Industry.jpg",

          "side.jpg",

  "people.jpg"

        ], {

            fade: 750,

            duration: 5000

        });

    </script>