(function($) {
	$.fn.jcarousellite = function(o) {
		o = $.extend({
			btnprev: null,
			btnnext: null,
			btngo: null,
			mousewheel: false,
			auto: null,
			hoverpause: false,
			speed: 200,
			easing: null,
			vertical: false,
			circular: true,
			visible: 3,
			start: 0,
			scroll: 1,
			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;
			if (o.circular) {
				ul.prepend(tli.slice(tl - v + 1).clone()).append(tli.slice(0, o.scroll).clone());
				o.start += v - 1;
			}
			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.hoverpause) {
					$(o.btnprev).hover(function() {
						stopauto();
					}, function() {
						startauto();
					});
				}
			}
			if (o.btnnext) {
				$(o.btnnext).click(function() {
					return go(curr + o.scroll);
				});
				if (o.hoverpause) {
					$(o.btnnext).hover(function() {
						stopauto();
					}, function() {
						startauto();
					});
				}
			}
			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);
				});
			var autointerval;

			function startauto() {
				stopauto();
				autointerval = setinterval(function() {
					go(curr + o.scroll);
				}, o.auto + o.speed);
			};

			function stopauto() {
				clearinterval(autointerval);
			};
			if (o.auto) {
				if (o.hoverpause) {
					div.hover(function() {
						stopauto();
					}, function() {
						startauto();
					});
				}
				startauto();
			};

			function vis() {
				return li.slice(curr).slice(0, v);
			};

			function go(to) {
				if (!running) {
					if (o.beforestart)
						o.beforestart.call(this, vis());
					if (o.circular) {
						if (to < 0) {
							ul.css(animcss, -((curr + tl) * lisize) + "px");
							curr = to + tl;
						} else if (to > itemlength - v) {
							ul.css(animcss, -((curr - tl) * lisize) + "px");
							curr = to - tl;
						} 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);