/*
 * FeatureList - simple and easy creation of an interactive "Featured Items" widget
 * Examples and documentation at: http://jqueryglobe.com/article/feature_list/
 * Version: 1.0.0 (01/09/2009)
 * Copyright (c) 2009 jQueryGlobe
 * Licensed under the MIT License: http://en.wikipedia.org/wiki/MIT_License
 * Requires: jQuery v1.3+
*/
;(function(jQuery) {
    jQuery.fn.featureList = function(options) {
        var tabs    = jQuery(this);
        var output  = jQuery(options.output);

        new jQuery.featureList(tabs, output, options);

        return this;
    };

    jQuery.featureList = function(tabs, output, options) {
        function slide(nr) {
            if (typeof nr == "undefined") {
                nr = visible_item + 1;
                nr = nr >= total_items ? 0 : nr;
            }

            tabs.removeClass('current').filter(":eq(" + nr + ")").addClass('current');

            output.stop(true, true).filter(":visible").fadeOut();
            output.filter(":eq(" + nr + ")").fadeIn(function() {
                visible_item = nr;
            });
        }

        var options         = options || {};
        var total_items     = tabs.length;
        var visible_item    = options.start_item || 0;

        options.pause_on_hover      = options.pause_on_hover        || true;
        options.transition_interval = options.transition_interval   || 2000;

        output.hide().eq( visible_item ).show();
        tabs.eq( visible_item ).addClass('current');

        tabs.mouseenter(function() {
            if (jQuery(this).hasClass('current')) {
                return false;
            }

            slide( tabs.index( this) );
        });

        if (options.transition_interval > 0) {
            var timer = setInterval(function () {
                slide();
            }, options.transition_interval);

            if (options.pause_on_hover) {
                tabs.mouseenter(function() {
                    clearInterval( timer );

                }).mouseleave(function() {
                    clearInterval( timer );
                    timer = setInterval(function () {
                        slide();
                    }, options.transition_interval);
                });
            }
        }
    };
})(jQuery);