/*
* vertical news ticker
* Tadas Juozapaitis ( kasp3rito@gmail.com )
* http://www.jugbit.com/jquery-vticker-vertical-news-ticker/
*/
(function($){
$.fn.vTicker = function(options) {
    var defaults = {
        speed: 700,
        pause: 4000,
        showItems: 3,
        animation: '',
        mousePause: true,
        isPaused: false,
        direction: 'up',
        height: 0
    };

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

    moveUp = function(obj2, height, options){
        if(options.isPaused)
            return;

        var obj = obj2.children('ul');

        var clone = obj.children('li:first').clone(true);

        if(options.height > 0)
        {
            height = obj.children('li:first').height();
        }

        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);
            if(options.height == 0)
            {
            obj.children('li:eq(' + options.showItems + ')').hide().fadeIn(options.speed).show();
            }
        }

        clone.appendTo(obj);
    };

    moveDown = function(obj2, height, options){
        if(options.isPaused)
            return;

        var obj = obj2.children('ul');

        var clone = obj.children('li:last').clone(true);

        if(options.height > 0)
        {
            height = obj.children('li:first').height();
        }

        obj.css('top', '-' + height + 'px')
            .prepend(clone);

        obj.animate({top: 0}, options.speed, function() {
            $(this).children('li:last').remove();
        });

        if(options.animation == 'fade')
        {
            if(options.height == 0)
            {
                obj.children('li:eq(' + options.showItems + ')').fadeOut(options.speed);
            }
            obj.children('li:first').hide().fadeIn(options.speed).show();
        }
    };

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

        obj.css({overflow: 'hidden', position: 'relative'})
            .children('ul').css({position: 'absolute'})

        if(options.height == 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);
        }
        else
        {
            obj.height(options.height);
        }

        var interval = setInterval(function(){
            if(options.direction == 'up')
            {
                moveUp(obj, maxHeight, options);
            }
            else
            {
                moveDown(obj, maxHeight, options);
            }
        }, options.pause);

        if(options.mousePause)
        {
            obj.bind("mouseenter",function(){
                options.isPaused = true;
            }).bind("mouseleave",function(){
                options.isPaused = false;
            });
        }
    });
};
})(jQuery);