(function($)
{
    // This script was written by Steve Fenton
    // http://www.stevefenton.co.uk/Content/Jquery-Constant-Footer/
    // Feel free to use this jQuery Plugin

    var nextSetIdentifier = 0;
    var classModifier = "";

    var feedItems;
    var feedIndex;
    var feedDelay = 10;

    function CycleFeedList(feedList, index) {
        feedItems = feedList;
        feedIndex = index;
        ShowNextFeedItem();
    }

    function ShowNextFeedItem() {
        //put that feed content on the screen!
        $("." + classModifier).children().fadeOut(1000, function () {
            $("." + classModifier).html(feedItems[feedIndex]);
            PadDocument();
            feedIndex++;
            if (feedIndex >= feedItems.length) {
                feedIndex = 0;
            }
            window.setTimeout(ShowNextFeedItem, (feedDelay * 1000));
        });
    }

    function StripCdataEnclosure(string) {
        if (string.indexOf("<![CDATA[") > -1) {
            string = string.replace("<![CDATA[", "").replace("]]>", "");
        }
        return string;
    }

    function PadDocument() {
        var paddingRequired = $("." + classModifier).height();
        $("#" + classModifier + "padding").css({ paddingTop: paddingRequired+"px"});
    }

    jQuery.fn.constantfooter = function (settings) {

        var config = { "classModifier": "constantfooter", "feed": "", "feedlink": "Read more &raquo;", "opacity": "0.8" };

        if (settings) {
            $.extend(config, settings);
        }

        return this.each(function () {

            classModifier = config.classModifier;

            // Add a div used for body padding
            $(this).before("<div id=\"" + config.classModifier + "padding\">&nbsp;</div>");

            // Hide it
            $(this).hide().addClass(classModifier).css({ position: "fixed", bottom: "0px", left: "0px", width: "100%" });

            // Show it
            $(this).fadeTo(1000, config.opacity);

            PadDocument();

            // Process any feeds
            if (config.feed.length > 0) {

                var feedList = new Array();

                $.get(config.feed, function(xmlDoc) {

                    var itemList = xmlDoc.getElementsByTagName("item");

                    for (var i = 1; i <= itemList.length; i++) {

                        var title = xmlDoc.getElementsByTagName("title")[i].childNodes[0].nodeValue;
                        var link = xmlDoc.getElementsByTagName("link")[i].childNodes[0].nodeValue;
                        var description = xmlDoc.getElementsByTagName("description")[i].childNodes[0].nodeValue;

                        var article = "<div class=\"item\">";

                        if (link != null) {
                            article += "<a href=\"" + link + "\">";
                        }
                        article += "<h2>" + title + "</h2>";
                        if (link != null) {
                            article += "</a>";
                        }

                        article += "<div class=\"description\"><p>" + description + "</p></div>";

                        if (link != null) {
                            article += "<div class=\"link\"><a href=\"" + link + "\">" + config.feedlink + "</a></div>";
                        }

                        article += "</div>";

                        feedList[feedList.length] = article;
                    }

                    if (feedList.length > 0) {
                        CycleFeedList(feedList, 0);
                    }
                });

            }
        });
    };
})(jQuery);