(function($){
	var Slider = function(element, options){
		var defaults = {
			'cycle': false,
			'showNav': true,
			'showDesc': true,
			'pageCounter': null,
			'transition': 'fade',
			'sliderClass': 'slider',
			'width': 1920,
			'height': 1040
		};
		var options = $.extend(defaults,options);
		var elem = $(element);
		var w = options.width || elem.width();
		var h = options.height || elem.height();
		var clickable = true;
		var ul = $('ul.'+options.sliderClass,elem)
		var li = $('li',ul);
		var s = li.length;
		var cs = 1;
		var isStopped = false;
		var timeout;
		
		var animate = function (dir,clicked){
			if (clickable){
				clickable = false;
				switch(dir){
					case 'prev':
						cs--;
						break;
					case 'next':
						cs++;
						break;
				};
				if (cs>s) cs=1;
				if (cs<1) cs=s;
				$('li.current', ul).addClass('previous').removeClass('current');
				$('li:nth-child('+cs+')', ul).hide().addClass('current').fadeIn(1000, adjust);
				$('.slider-nav a', elem).removeClass('selected');
				$('.slider-nav-'+cs, elem).addClass('selected');
				if (clicked) clearInterval(timeout);
			}
		};
		
		var adjust = function(){
			//ul.css('margin-left',cs*getWidth()*-1);
			//counter();
			$('li.previous', ul).removeClass('previous');
			//showDetails();
			clickable=true;
		};
		
		var counter = function(){
			if (options.pageCounter && !isStopped){
				$('.'+options.pageCounter, elem).html(cs+' / '+(li.length-2));
			}
		};
		
		var moveToSlide = function(ns){
			if (clickable){
				if (cs < ns){
					cs = ns-1;
					animate('next',true);
				}
				else if (cs > ns){
					cs = ns+1;
					animate('prev', true);
				}
			};
		};
		
		var getWidth = function(){
			return elem.width();
		}
		
		this.moveToSlide = moveToSlide;
		
		this.stop = function(){
			isStopped = true;
			clearInterval(timeout);
		};
		
		this.showDetails = function(){
			var sliderNav = $('.slider-nav', elem);
			var sliderNavWidth = sliderNav.actual('outerWidth');
			sliderNav.stop(false, true).slideDown(250);

			if ($('.desc-container', ul).length>0){
				$('.desc-container', ul).width(sliderNavWidth);
				$('.desc', ul).stop(false, true).slideDown(250);
			}
		};
		
		this.hideDetails = function(){
			$('.desc', ul).hide();
			$('.slider-nav', elem).stop(false, true).slideUp(250);
		};
		
		this.toggleDetails = function(){
			if ($('.slider-nav', elem).css('display') == 'none'){
				$('#brand-info').stop(false, true).slideUp(250);
				this.showDetails();
			}
			else {
				$('#brand-info').stop(false, true).slideDown(250);
				this.hideDetails();
			}
		};
		
		if (s>1){
			if (options.showNav){
				var sliderNav = $('<div/>').addClass('slider-nav').appendTo(elem);
				var i = s;
				var url = ul.attr('title'); // ie7 return value as '' if the attribute is not defined

				if (url !='' && url != undefined) sliderNav.append($('<a/>').addClass('url').attr({'target':'_blank','href':'http://'+ul.attr('title')}).html(ul.attr('title')));
				
				while (i>0){
					var a = $('<a/>').addClass('slider-nav-'+(s-i+1));
					if (i==s) a.addClass('selected');
					sliderNav.append(a);
					i--;
				}
				
				if (url == undefined || url == ''){
					$('.slider-nav a', elem).click(function(){
						moveToSlide($(this).index()+1);
						return false;
					});
				} else {
					$('.slider-nav a:not(.url)', elem).click(function(){
						moveToSlide($(this).index());
						return false;
					});
				}

				if (options.showDesc) this.showDetails();
			}
			if (options.cycle) timeout = setInterval(function(){animate('next');}, options.cycle);
		}
		
		ul.width(w).height(h);
		$('li:first', ul).addClass('current');
		li.width(w).height(h);
		counter();
	};
	$.fn.slider = function(options){
		return this.each(function(){
			var element = $(this);
			if (element.data('slider')) return;
			var slider = new Slider(this, options);
			element.data('slider', slider);
		});
	};
})(jQuery);