jQuery Grid Plugin - jqGrid

GET http://www.trirand.com/piwik/piwik.js 404 (Not Found)

piwik.phpGET http://www.trirand.com/piwik/p.....8;cookie=1 404 (Not Found)

i think trirand.com is not hostinig the file. i googled and found piwik.js in the web. my question now is is it thesame? here http://piwik.org/? and how can i change the code.

<!-- Piwik -->
	<script type="text/javascript">
	var pkBaseURL = (("https:" == document.location.protocol) ? "https://www.trirand.com/piwik/" : "http://www.trirand.com/piwik/");
	document.write(unescape("%3Cscript src='" + pkBaseURL + "piwik.js' type='text/javascript'%3E%3C/script%3E"));
	</script><script type="text/javascript">
	try {
	var piwikTracker = Piwik.getTracker(pkBaseURL + "piwik.php", 1);
	piwikTracker.trackPageView();
	piwikTracker.enableLinkTracking();
	} catch( err ) {}
	</script>
	<!-- End Piwik Tag -->

on the sample project.. and will i donwload the piwik.js at the site above and get it from the rar then paste it on the js folder delete the code above and have a reference on the sample project? becaus xml json samples are not working no data are loading