how to include javascript file in codeigniter

[eluser]mehwish[/eluser]
hello please anyone guide i am working in php/codeigniter and i have to incliude a javascript file like i have a view (html file) and i have written inside head tags the following:

Code:

<sscript language="javascript" type="text/javascript" src="http://localhost/fyp/js.js">                  </sscript>

and i have placed a .js file in root directory where we can see application, system , userguide folders etc. but that .js is not working or am i missing something?