(function($) {
    /*
        jquery.twitter.js v1.0
        Last updated: 26 October 2008

        Created by Damien du Toit
        http://coda.co.za/blog/2008/10/26/jquery-plugin-for-twitter

        Licensed under a Creative Commons Attribution-Non-Commercial 3.0 Unported License
        http://creativecommons.org/licenses/by-nc/3.0/
    */

    $.fn.getTwitter = function(options)
    {
        var o = $.extend({}, $.fn.getTwitter.defaults, options);

        // hide container element
        $(this).hide();

        // add heading to container element
        if (o.showHeading) {
            $(this).append('<h2>'+o.headingText+'</h2>');
        }

        // add twitter list to container element
        $(this).append('<ul id="twitter_update_list"><li></li></ul>');

        // hide twitter list
        $("ul#twitter_update_list").hide();

        // add preLoader to container element
        var pl = $('<p id="'+o.preloaderId+'">'+o.loaderText+'</p>');
        $(this).append(pl);

        // add Twitter profile link to container element
        if (o.showProfileLink) {
            $(this).append('<a id="profileLink" href="http://twitter.com/'+o.userName+'">http://twitter.com/'+o.userName+'</a>');
        }

        // show container element
        $(this).show();

        $.getScript("http://www.earthhour.org.za/js/blogger.js");
        $.getScript("http://www.earthhour.org.za/js/twitterer.js", function() {
            // remove preLoader from container element
            $(pl).remove();

            // show twitter list
            if (o.slideIn) {
                $("ul#twitter_update_list").slideDown(1000);
            }
            else {
                $("ul#twitter_update_list").show();
            }

            // give first list item a special class
            $("ul#twitter_update_list li:first").addClass("firstTweet");

            // give last list item a special class
            $("ul#twitter_update_list li:last").addClass("lastTweet");
        });
    };

    // plugin defaults
    $.fn.getTwitter.defaults = {
        userName: null,
        numTweets: 5,
        preloaderId: "preloader",
        loaderText: "Loading tweets...",
        slideIn: false,
        showHeading: true,
        headingText: "Latest Tweets",
        showProfileLink: true
    };
})(jQuery);