google.load("feeds", "1");

function google_rss_view(rss_url, num) {
    var feed = new google.feeds.Feed(rss_url);
    feed.load(function(result) {
        if (!result.error) {
            var container = document.getElementById("feed");
            if (num > result.feed.entries.length) {
                num = result.feed.entries.length;
            }
            for (var i = 0; i < num; i++) {
                var html = '';
                var entry = result.feed.entries[i];
                var div = document.createElement("div");
                html += entry.title;
                html += '<br />';
                html += entry.content;
                document.getElementById("feed").innerHTML = html;
            }
        }
    });
}