//jQuery carousel lite 1.1
eval((function ($) { // Compliant with jquery.noConflict()
	$.fn.jCarouselLite = function (o) {
		o = $.extend({
			btnPrev: null,
			btnNext: null,
			loadingImg: false,
			loadingDisplay: false,
			autoLoading: false,
			btnGo: null,
			mouseWheel: false,
			auto: null,
			
			speed: 200,
			easing: null,

			vertical: false,
			circular: true,
			visible: 3,
			start: 0,
			scroll: 1,

			beforeStart: null,
			afterEnd: null
		}, o || {});

		return this.each(function () { // Returns the element collection. Chainable.
			var running = false,
			animCss = o.vertical ? "top" : "left",
			sizeCss = o.vertical ? "height" : "width";
			var div = $(this),
			ul = $("ul", div),
			tLi = $("li", ul),
			tl = tLi.size(),
			v = o.visible;

			if (o.loadingImg)
			{
				var lImg = $(o.loadingImg);
				lImg.css({
					display: "none",
					position: "absolute",
					top: lImg.parent().height()/2 - lImg.height()/2,
					left: lImg.parent().width()/2 - lImg.width()/2,
					'z-index': "100"
				});
			}

			if (!tLi.size())
				return false;

			if (o.circular) {
				ul.prepend(tLi.slice(tl - v - 1 + 1).clone()).append(tLi.slice(0, v).clone());
				o.start += v;
			}
			var li = $("li", ul),
			itemLength = li.size(),
			curr = o.start;
			div.css("visibility", "visible");

			li.css({
				overflow: "hidden",
				float: o.vertical ? "none" : "left"
			});
			ul.css({
				margin: "0",
				padding: "0",
				position: "relative",
				"list-style-type": "none",
				"z-index": "1"
			});
			div.css({
				overflow: "hidden",
				position: "relative",
				"z-index": "2",
				left: "0px"
			});

			var liSize = o.vertical ? height(li) : width(li); // Full li size(incl margin)-Used for animation
			var ulSize = liSize * itemLength; // size of full ul(total length, not just for the visible items)
			var divSize = liSize * v; // size of entire div(total length for just the visible items)
			li.css({
				width: li.width(),
				height: li.height()
			});
			ul.css(sizeCss, ulSize + "px").css(animCss, -(curr * liSize));

			div.css(sizeCss, divSize + "px"); // Width of the DIV. length of visible images
			if (o.btnPrev) $(o.btnPrev).click(function () {
				return go(curr - o.scroll);
			});

			if (o.btnNext) $(o.btnNext).click(function () {
				return go(curr + o.scroll);
			});

			if (o.btnGo) $.each(o.btnGo, function (i, val) {
				$(val).click(function () {
					return go(o.circular ? o.visible + i : i);
				});
			});

			if (o.mouseWheel && div.mousewheel) div.mousewheel(function (e, d) {
				return d > 0 ? go(curr - o.scroll) : go(curr + o.scroll);
			});


			function checkForGo()
			{
				if (running)
				{
					clearInterval(interval);
					interval = setInterval(checkForGo, o.auto + o.speed);
				}
				else
					go(curr + o.scroll);
			};

			var interval;
			if (o.auto)
				interval = setInterval(checkForGo, o.auto + o.speed);

			function vis(index) {
				//alert (index);
				if (index)
					return li.slice(index).slice(0, v);
				else
					return li.slice(curr).slice(0, v);
			};

			function go(to) {
				if (!running) {
					if (o.beforeStart)
						o.beforeStart.call(this, vis(0));

					if (o.circular) { // If circular we are in first or last, then goto the other end
						if (to <= o.start - v - 1) { // If first, then goto last
							ul.css(animCss, -((itemLength - (v * 2)) * liSize) + "px");
							// If "scroll" > 1, then the "to" might not be equal to the condition; it can be lesser depending on the number of elements.
							curr = to == o.start - v - 1 ? itemLength - (v * 2) - 1 : itemLength - (v * 2) - o.scroll;
						} else if (to >= itemLength - v + 1) { // If last, then goto first
							ul.css(animCss, -((v) * liSize) + "px");
							// If "scroll" > 1, then the "to" might not be equal to the condition; it can be greater depending on the number of elements.
							curr = to == itemLength - v + 1 ? v + 1 : v + o.scroll;
						} else curr = to;
					} else { // If non-circular and to points to first or last, we just return.
						if (to < 0 || to > itemLength - v) return;
						else curr = to;
					} // If neither overrides it, the curr will still be "to" and we can proceed.
					running = true;


					var img = jQuery(vis(to)).find("img");

					if (o.loadingDisplay && o.autoLoading && img.attr("src") != img.attr('alt'))
					{
						$(o.loadingImg).show();
						//img.attr("src", img.attr("alt"));
						img.load(function(){
							$(o.loadingImg).hide();
							ul.animate(
								animCss == "left" ? {
									left: -(curr * liSize)
								} : {
									top: -(curr * liSize)
								}, o.speed, o.easing, function () {
									if (o.afterEnd) o.afterEnd.call(this, vis(0));
									running = false;
								});
							// Disable buttons when the carousel reaches the last/first, and enable when not
							if (!o.circular) {
								$(o.btnPrev + "," + o.btnNext).removeClass("disabled");
								$((curr - o.scroll < 0 && o.btnPrev) || (curr + o.scroll > itemLength - v && o.btnNext) || []).addClass("disabled");
							}
						}).attr('src', img.attr("alt"));
					}
					else if (o.autoLoading && img.attr("src") != img.attr('alt'))
					{
						img.load(function(){
							ul.animate(
								animCss == "left" ? {
									left: -(curr * liSize)
								} : {
									top: -(curr * liSize)
								}, o.speed, o.easing, function () {
									if (o.afterEnd) o.afterEnd.call(this, vis(0));
									running = false;
								});
							// Disable buttons when the carousel reaches the last/first, and enable when not
							if (!o.circular) {
								$(o.btnPrev + "," + o.btnNext).removeClass("disabled");
								$((curr - o.scroll < 0 && o.btnPrev) || (curr + o.scroll > itemLength - v && o.btnNext) || []).addClass("disabled");
							}
						}).attr('src', img.attr("alt"));
					}
					else
					{
						ul.animate(
							animCss == "left" ? {
								left: -(curr * liSize)
							} : {
								top: -(curr * liSize)
							}, o.speed, o.easing, function () {
								if (o.afterEnd) o.afterEnd.call(this, vis(0));
								running = false;
							});
						// Disable buttons when the carousel reaches the last/first, and enable when not
						if (!o.circular) {
							$(o.btnPrev + "," + o.btnNext).removeClass("disabled");
							$((curr - o.scroll < 0 && o.btnPrev) || (curr + o.scroll > itemLength - v && o.btnNext) || []).addClass("disabled");
						}
					}

				}
				return false;
			};
		});
	};

	function css(el, prop) {
		return parseInt($.css(el[0], prop)) || 0;
	};

	function width(el) {
		return el[0].offsetWidth + css(el, 'marginLeft') + css(el, 'marginRight');
	};

	function height(el) {
		return el[0].offsetHeight + css(el, 'marginTop') + css(el, 'marginBottom');
	};

})(jQuery))

$(document).ready(function(){

	$(".slideshow").jCarouselLite({
		btnNext: "#slideshow .next",
		btnPrev: "#slideshow .prev",
		loadingImg: "#slideshow .loadingDisplay",
		loadingDisplay: false,
		autoLoading: true,
		speed: 800,
		auto: 10000,
		visible: 1,
		pause: true,
		circular: true,
		beforeStart: function(){},
		beforeEnd: function(){}
	});

});
