HI, I just want to ask about this script ,is this generated in javascript Obfuscator ?,one more thing what is the purpose of this script ?

Code:
 <script type="text/javascript">
                        var _gaq = _gaq || [];
                        _gaq.push(['_setAccount', 'UA-28871117-1']);
                        _gaq.push(['_setDomainName', 'wrapbootstrap.com']);
                        _gaq.push(['_trackPageview']);
                        (function() {
                                var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
                                ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
                                var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
                        })();
                </script>
Thank you in advance