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Changing the number of results using Google Feed API

I'm trying increase the number of items that appear on this webpage using the Google Feed API to 25 instead of 4 items: http://ewh.ieee.org/reg/1/sac/news.php

Here is the JS:

<script src="//www.google.com/jsapi?key=AIzaSyA5m1Nc8ws2BbmPRwKu5gFradvD_hgq6G0" type="text/javascript"></script><script type="text/javascript">        google.load("feeds", "1");        function feedLoaded(result) {          if (!result.error) {            var container = document.getElementById("content");            container.innerHTML = '';            for (var i = 0; i < result.feed.entries.length; i++) {              var entry = result.feed.entries[i];              var div = document.createElement("div");              div.appendChild(document.createTextNode(i +': '+ entry.title));              container.appendChild(div);            }          }        }        function OnLoad() {          var feedControl = new google.feeds.FeedControl();          feedControl.addFeed("http://feeds.feedburner.com/IeeeSpectrum", "Latest IEEE Spectrum News:");          feedControl.draw(document.getElementById("content"));          feed.includeHistoricalEntries(); // tell the API we want to have old entries too          feed.setNumEntries(25); // we want a maximum of 25 entries, if they exist          feed.load(feedLoaded);        }        google.setOnLoadCallback(OnLoad);</script>

And the HTML:

<body style="font-family: Arial;border: 0 none;"><div id="content">Loading IEEE Spectrum News...</div></body>

I tried using feed.setNumEntries(), but it doesn't seem to work. I appreciate any help. Thank you.


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