/*
* vertical news ticker
* tadas juozapaitis ( kasp3rito [eta] gmail (dot) 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('.list');
		
    	var clone = obj.children('.item:first').clone(true);
		
		if(options.height > 0)
		{
			height = obj.children('.item:first').height();
		}		
		
    	obj.animate({top: '-=' + height + 'px'}, options.speed, function() {
        	$(this).children('.item:first').remove();
        	$(this).css('top', '0px');
        });
		
		if(options.animation == 'fade')
		{
			obj.children('.item:first').fadeout(options.speed);
			if(options.height == 0)
			{
			obj.children('.item:eq(' + options.showitems + ')').hide().fadein(options.speed).show();
			}
		}

    	clone.appendto(obj);
	};
	
	movedown = function(obj2, height, options){
		if(options.ispaused)
			return;
		
		var obj = obj2.children('.list');
		
    	var clone = obj.children('.item:last').clone(true);
		
		if(options.height > 0)
		{
			height = obj.children('.item:first').height();
		}
		
		obj.css('top', '-' + height + 'px')
			.prepend(clone);
			
    	obj.animate({top: 0}, options.speed, function() {
        	$(this).children('.item:last').remove();
        });
		
		if(options.animation == 'fade')
		{
			if(options.height == 0)
			{
				obj.children('.item:eq(' + options.showitems + ')').fadeout(options.speed);
			}
			obj.children('.item:first').hide().fadein(options.speed).show();
		}
	};
	
	return this.each(function() {
		var obj = $(this);
		var maxheight = 0;

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

		if(options.height == 0)
		{
			obj.children('.list').children('.item').each(function(){
				if($(this).height() > maxheight)
				{
					maxheight = $(this).height();
				}
			});

			obj.children('.list').children('.item').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);