/*
* 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: 900,
		pause: 5000,
		showItems: 10,
		animation: 'fade',
		mousePause: true,
		isPaused: false,
		direction: 'up',
		height: 545
	};

	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').outerHeight();
                }              
               
        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').outerHeight();
                }
               
                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', margin: 0, padding: 0})
                        .children('li').css({margin: 0, padding: 0});
 
                if(options.height == 0)
                {
                        obj.children('ul').children('li').each(function(){
                                if($(this).outerHeight() > maxHeight)
                                {
                                        maxHeight = $(this).outerHeight();
                                }
                        });
 
                        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);