RSS Feeds in SharePoint 2010 using javascript

Copy below tag and paste in SharePoint site:

 

<div style="color: black; font-family:Trebuchet MS,Helvetica,sans-serif;font-size: 13px; font-weight: bold;">
<a href="#" id="rssLink1"  ><img style="border:0" alt="RSS" src="/images/RSS.png"  /> RSS feed </a>
</div>

Copy below script and paste before </body> in SharePoint site: 

<script type="text/javascript">
        var links = document.getElementsByTagName('link');
        for (i = 0; i < links.length; i++) {
            if (links[i].rel == "alternate" && "application/rss+xml" == links[i].type) {
               // var t1 = unescape(links[i].href);
                // alert(unescape(links[i].href));
                try {
                   // var query = unescape(links[i].href).substring(unescape(links[i].href).indexOf('?') + 1);
                    document.getElementById('rssLink1').href = unescape(links[i].href);
                }
                catch (e)
                { }
            }
        }
</script>