/*
* Tadas Juozapaitis ( kasp3rito@gmail.com )
*/

(function($){
$.fn.vTicker = function(options) {
        var defaults = {
                speed: 700,
                pause: 4000,
                showItems: 2,
                animation: '',
                mousePause: true
        };

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

        moveUp = function(obj, height){
                obj = obj.children('ul');
        first = obj.children('li:first').clone(true);

        obj.animate({top: '-=' + height + 'px'}, options.speed, function() {
                $(this).children('li:first').remove();
                $(this).css('top', '0px');
        });

                if(options.animation == 'fade')
                {
                        obj.children('li:first').fadeOut(options.speed);
                        obj.children('li:last').hide().fadeIn(options.speed);
                }

        first.appendTo(obj);
        };

        return this.each(function() {
                obj = $(this);
                maxHeight = 0;

                obj.css({overflow: 'hidden', position: 'relative'})
                        .children('ul').css({position: 'absolute', margin: 0, padding: 0})
                        .children('li').css({margin: 0, padding: 0});

                obj.children('ul').children('li').each(function(){
                        if($(this).height() > maxHeight)
                        {
                                maxHeight = $(this).height();
                        }
                });

                obj.children('ul').children('li').each(function(){
                        $(this).height(maxHeight);
                });

                obj.height(maxHeight * options.showItems);

        interval = setInterval('moveUp(obj, maxHeight)', options.pause);

                if(options.mousePause)
                {
                        obj.bind("mouseenter",function(){
                                clearInterval(interval);
                        }).bind("mouseleave",function(){
                                interval = setInterval('moveUp(obj, maxHeight)', options.pause);
                        });
                }
        });
};
})(jQuery);