(function($)
{
	// This script was written by Steve Fenton
	// http://www.stevefenton.co.uk/Content/Jquery-Constant-Footer/
	// Feel free to use this jQuery Plugin
	// Version: 3.0.1

	var nextSetIdentifier = 0;
	var classModifier = "";

	var feedItems;
	var feedIndex;
	var feedDelay = 10;
	var feedTimer;

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

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

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

	// Add padding to the bottom of the document so it can be scrolled past the footer
	function PadDocument() {
		var paddingRequired = $("." + classModifier).height();
		$("#" + classModifier + "padding").css({ paddingTop: paddingRequired+"px"});
	}

	$.fn.constantfooter = function (settings) {

		var config = {
			classmodifier: "constantfooter",
			feed: "",
			feedlink: "Read more &raquo;",
			opacity: 0.9,
			showclose: false,
			closebutton: "[x]"
		};

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

		return this.each(function () {

			classModifier = config.classmodifier;

			// Make sure opacity is a number between 0.1 and 1
			var opacity = parseFloat(config.opacity);
			if (opacity > 1) {
				opacity = 1;
			} else if (opacity < 0.1) {
				opacity = 0.1;
			}

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

			// Hide it
			
			var positionSwitch = (navigator.platform == 'iPad' || navigator.platform == 'iPhone' || navigator.platform == 'iPod') ? "static" : "fixed";
					
			$(this).hide().addClass(classModifier).css({ position: positionSwitch, bottom: "0px", left: "0px", width: "100%" })

			// If there is a feed, we will replace the footer HTML with the feed
			if (config.feed.length > 0) {
				$(this).html("");
			}

			// Show a close button if required
			if (config.showclose) {
				$(this).prepend("<div style=\"float: right;\" class=\"" + classModifier + "close\">" + config.closebutton + "</div>");
				$("." + classModifier + "close").css({ cursor: "pointer" });
				$("." + classModifier + "close").click( function () {
					$(this).parent().fadeOut();
					window.clearTimeout(feedTimer);
				});
			}

			$(this).append("<div class=\"content\"></div>");

			// Show it
			$(this).fadeTo(0, opacity);

			// Pad the bottom of the document
			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);