/* Copyright 2010 Christian Rick */

(function($) {
	$.fn.extend({
		ulslider: function(options) {
			var defaults = {  
				interval: 5000,  
				speed: 1000,  
				direction: 'left',
				easing: 'swing',
				mode: 'normal'
			};  
			var options = $.extend(defaults, options);  
		
		
			return this.each(function() {
				var element = $(this);
				if(element.children('li').length>1) {
					var xoffset = $(this).width();
					var yoffset = $(this).height();
					switch(options.direction.toLowerCase())
					{
						case 'down':
							element.css('position', 'relative').children().css('top', '-' + yoffset + 'px').css('position', 'absolute').css('overflow', 'hidden').width(xoffset).height(yoffset);
							element.children(':first').css('top', '0px').addClass('current');
							
							setInterval(function() {
								element.children('.current').animate({top: yoffset+'px'}, options.speed,options.easing);
								element.children('.current + LI').animate({top: '0px'}, options.speed, options.easing, function() {$(this).addClass('current').prev().removeClass('current').css('top', '-' + yoffset + 'px').remove().appendTo($(this).parent());});
							}, options.interval);
							break;
						case 'up':
							element.css('position', 'relative').children().css('top', yoffset + 'px').css('position', 'absolute').css('overflow', 'hidden').width(xoffset).height(yoffset);
							element.children(':first').css('top', '0px').addClass('current');
							
							setInterval(function() {
								element.children('.current').animate({top: '-' + yoffset+'px'}, options.speed, options.easing);
								element.children('.current + LI').animate({top: '0px'}, options.speed, options.easing, function() {$(this).addClass('current').prev().removeClass('current').css('top', yoffset + 'px').remove().appendTo($(this).parent());});
							}, options.interval);
							break;
						case 'right':
							element.css('position', 'relative').children().css('left', '-' + xoffset + 'px').css('position', 'absolute').css('overflow', 'hidden').width(xoffset).height(yoffset);
							element.children(':first').css('left', '0px').addClass('current');
							
							setInterval(function() {
								element.children('.current').animate({left: xoffset+'px'}, options.speed, options.easing);
								element.children('.current + LI').animate({left: '0px'}, options.speed, options.easing, function() {$(this).addClass('current').prev().removeClass('current').css('left', '-' + xoffset + 'px').remove().appendTo($(this).parent());});
							}, options.interval);
							break;
						case 'fade':
							var zindex=0;
							element.css('position', 'relative').children().css('top', '0px').css('left', '0px').css('position', 'absolute').css('overflow', 'hidden').css('z-index', '900').width(xoffset).height(yoffset);
							element.children(':last').addClass('current').css('z-index', '902');
							setInterval(function() {
								element.children('.current').fadeOut(options.speed, function() {
									var current = element.children('.current');
									var next = current.prev();
									current.css('z-index', '900').css('display', 'block').remove().prependTo(element).removeClass('current');
									next.css('z-index', '902').addClass('current');
									
								});
							}, options.interval+options.speed);
							break;
						default:
							element.css('position', 'relative').children('LI').css('left', xoffset + 'px').css('position', 'absolute').css('overflow', 'hidden').width(xoffset).height(yoffset);
							element.children(':first').css('left', '0px').addClass('current');
							setInterval(function() {
								element.children('.current').animate({left: '-'+xoffset+'px'}, options.speed, options.easing);
								element.children('.current').next().animate({left: '0px'}, options.speed, options.easing, function() {$(this).addClass('current').prev().removeClass('current').css('left', xoffset + 'px').remove().appendTo($(this).parent());});
							}, options.interval);
							break;
					}
				}
			});
		}
	});
})(jQuery);