/**
*  jQuery Rotator Plugin
*  @requires jQuery v1.2.6 or greater
*  http://hernan.amiune.com/labs
*
*  Copyright (c)  Hernan Amiune (hernan.amiune.com)
*  Licensed under MIT license:
*  http://www.opensource.org/licenses/mit-license.php
* 
*  Version: 1.0
*/

(function($) {
    $.fn.rotator = function(options) {

        var defaults = {
            ms: 2000,
            n: 1,
            autoHeight: false
        };

        var options = $.extend(defaults, options);

        return this.each(function(index) {

            var $this = $(this);

            var initialHeight = 0;
            $this.children().filter(":lt(" + options.n + ")").each(function(index, item) {
                initialHeight += $(item).height();
            });

            $this.height(initialHeight);

            function beginRotation() {
                $this.data("timer", setInterval(function() {

                    var childHeight = $this.children().filter(":first-child").height();
                    var animParams = { scrollTop: (childHeight) + "px" };
                    var autoHeight = 0;
                    $this.children().filter(":lt(" + (options.n + 1) + ")").each(function(index, item) {
                        if (index > 0) autoHeight += $(item).height();
                    });
                    if (options.autoHeight) animParams = $.extend({ height: (autoHeight) + "px" }, animParams);


                    $this.animate(animParams, 500, function() {
                        $this.scrollTop(0);
                        $this.append($this.children().filter(":first-child"));
                        $this.css("overflow", "hidden"); //Chrome hack
                    });


                }, options.ms));
            }

//            $this.mouseover(function() {
//                clearTimeout($this.data("timer"));
//            });

//            $this.mouseout(function() {
//                beginRotation();
//            });

            beginRotation();

        });


    }
})(jQuery);