/*
* vertical news ticker
* Tadas Juozapaitis ( kasp3rito@gmail.com )
* http://plugins.jquery.com/project/vTicker
* http://plugins.jquery.com/files/jquery.vticker.js_5.txt
*/
(function($){
$.fn.vTicker = function(options) {
    var defaults = {
        speed: 700,
        pause: 4000,
        showItems: 3,
        animation: 'fade',
        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);
            }
        }

        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);
        }
    };
    
    return this.each(function() {
        var obj = $(this);
        var 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.css({overflow: 'hidden'}).children('ul').css({position: 'absolute', margin: 0, padding: 0});
        
        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);