(function($) {
$.fn.jCarouselLite = function(o) {
	o = $.extend( {
		btnPrev : null,
		btnNext : null,
		btnGo : null,
		mouseWheel : false,
		auto : null,
		speed : 200,
		easing : null,
		vertical : false,
		circular : true,
		visible : 3,
		start : 0,
		scroll : 1,
		pauseOnHover : false,
		beforeStart : null,
		afterEnd : null
	}, o || {});
	return this.each(function() {
		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, paused = 0;
		if (o.circular) {
			ul.prepend(tLi.slice(tl - v - 1 + 1).clone()).append(
					tLi.slice(0, v).clone());
			o.start += v;
		}
		o.pauseOnHover ? ul.hover(function() {
			paused = 1;
		}, function() {
			paused = 0;
		}) : "";
		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);
		var ulSize = liSize * itemLength;
		var divSize = liSize * v;
		li.css( {
			width : li.width(),
			height : li.height()
		});
		ul.css(sizeCss, ulSize + "px").css(animCss,
				-(curr * liSize));
		div.css(sizeCss, divSize + "px");
		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);
			});
		}
		if (o.auto) {
			setInterval(function() {
				go(curr + o.scroll);
			}, o.auto + o.speed);
		}
		function vis() {
			return li.slice(curr).slice(0, v);
		}
		function go(to) {
			if (!running && !paused) {
				if (o.beforeStart) {
					o.beforeStart.call(this, vis());
				}
				if (o.circular) {
					if (to <= o.start - v - 1) {
						ul.css(animCss,
								-((itemLength - (v * 2)) * liSize)
										+ "px");
						curr = to == o.start - v - 1 ? itemLength
								- (v * 2) - 1 : itemLength
								- (v * 2) - o.scroll;
					} else {
						if (to >= itemLength - v + 1) {
							ul.css(animCss, -((v) * liSize) + "px");
							curr = to == itemLength - v + 1 ? v + 1
									: v + o.scroll;
						} else {
							curr = to;
						}
					}
				} else {
					if (to < 0 || to > itemLength - v) {
						return
					} else {
						curr = to;
					}
				}
				running = true;
				ul.animate(animCss == "left" ? {
					left : -(curr * liSize)
				} : {
					top : -(curr * liSize)
				}, o.speed, o.easing, function() {
					if (o.afterEnd) {
						o.afterEnd.call(this, vis());
					}
					running = false;
				});
				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);