/*!
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */

(function(i) {
	var q = {
		vertical: false,
		rtl: false,
		start: 1,
		offset: 1,
		size: null,
		scroll: 1,
		visible: null,
		animation: "slow",
		easing: "swing",
		auto: 7,
		wrap: null,
		initCallback: null,
		reloadCallback: null,
		itemLoadCallback: null,
		itemFirstInCallback: null,
		itemFirstOutCallback: null,
		itemLastInCallback: null,
		itemLastOutCallback: null,
		itemVisibleInCallback: null,
		itemVisibleOutCallback: null,
		buttonNextHTML: "<div></div>",
		buttonPrevHTML: "<div></div>",
		buttonNextEvent: "click",
		buttonPrevEvent: "click",
		buttonNextCallback: null,
		buttonPrevCallback: null,
		itemFallbackDimension: null
	},
		r = false;
	i(window).bind("load.jcarousel", function() {
			r = true
		});
	i.jcarousel = function(a, c) {
			this.options = i.extend({}, q, c || {});
			this.autoStopped = this.locked = false;
			this.buttonPrevState = this.buttonNextState = this.buttonPrev = this.buttonNext = this.list = this.clip = this.container = null;
			if (!c || c.rtl === undefined) this.options.rtl = (i(a).attr("dir") || i("html").attr("dir") || "").toLowerCase() == "rtl";
			this.wh = !this.options.vertical ? "width" : "height";
			this.lt = !this.options.vertical ? this.options.rtl ? "right" : "left" : "top";
			for (var b = "", d = a.className.split(" "), f = 0; f < d.length; f++) if (d[f].indexOf("jcarousel-skin") != -1) {
				i(a).removeClass(d[f]);
				b = d[f];
				break
			}
			if (a.nodeName.toUpperCase() == "UL" || a.nodeName.toUpperCase() == "OL") {
				this.list = i(a);
				this.container = this.list.parent();
				if (this.container.hasClass("jcarousel-clip")) {
					if (!this.container.parent().hasClass("jcarousel-container")) this.container = this.container.wrap("<div></div>");
					this.container = this.container.parent()
				} else if (!this.container.hasClass("jcarousel-container")) this.container = this.list.wrap("<div></div>").parent()
			} else {
				this.container = i(a);
				this.list = this.container.find("ul,ol").eq(0)
			}
			b !== "" && this.container.parent()[0].className.indexOf("jcarousel-skin") == -1 && this.container.wrap('<div class=" ' + b + '"></div>');
			this.clip = this.list.parent();
			if (!this.clip.length || !this.clip.hasClass("jcarousel-clip")) this.clip = this.list.wrap("<div></div>").parent();
			this.buttonNext = i(".jcarousel-next", this.container);
			if (this.buttonNext.size() === 0 && this.options.buttonNextHTML !== null) this.buttonNext = this.clip.after(this.options.buttonNextHTML).next();
			this.buttonNext.addClass(this.className("jcarousel-next"));
			this.buttonPrev = i(".jcarousel-prev", this.container);
			if (this.buttonPrev.size() === 0 && this.options.buttonPrevHTML !== null) this.buttonPrev = this.clip.after(this.options.buttonPrevHTML).next();
			this.buttonPrev.addClass(this.className("jcarousel-prev"));
			this.clip.addClass(this.className("jcarousel-clip")).css({
				overflow: "hidden",
				position: "relative"
			});
			this.list.addClass(this.className("jcarousel-list")).css({
				overflow: "hidden",
				position: "relative",
				top: 0,
				margin: 0,
				padding: 0
			}).css(this.options.rtl ? "right" : "left", 0);
			this.container.addClass(this.className("jcarousel-container")).css({
				position: "relative"
			});
			!this.options.vertical && this.options.rtl && this.container.addClass("jcarousel-direction-rtl").attr("dir", "rtl");
			var j = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null;
			b = this.list.children("li");
			var e = this;
			if (b.size() > 0) {
				var g = 0,
					k = this.options.offset;
				b.each(function() {
						e.format(this, k++);
						g += e.dimension(this, j)
					});
				this.list.css(this.wh, g + 100 + "px");
				if (!c || c.size === undefined) this.options.size = b.size()
			}
			this.container.css("display", "block");
			this.buttonNext.css("display", "block");
			this.buttonPrev.css("display", "block");
			this.funcNext = function() {
				e.next()
			};
			this.funcPrev = function() {
				e.prev()
			};
			this.funcResize = function() {
				e.reload()
			};
			this.options.initCallback !== null && this.options.initCallback(this, "init");
			if (!r && i.browser.safari) {
				this.buttons(false, false);
				i(window).bind("load.jcarousel", function() {
					e.setup()
				})
			} else this.setup()
		};
	var h = i.jcarousel;
	h.fn = h.prototype = {
			jcarousel: "0.2.7"
		};
	h.fn.extend = h.extend = i.extend;
	h.fn.extend({
			setup: function() {
				this.prevLast = this.prevFirst = this.last = this.first = null;
				this.animating = false;
				this.tail = this.timer = null;
				this.inTail = false;
				if (!this.locked) {
					this.list.css(this.lt, this.pos(this.options.offset) + "px");
					var a = this.pos(this.options.start, true);
					this.prevFirst = this.prevLast = null;
					this.animate(a, false);
					i(window).unbind("resize.jcarousel", this.funcResize).bind("resize.jcarousel", this.funcResize)
				}
			},
			reset: function() {
				this.list.empty();
				this.list.css(this.lt, "0px");
				this.list.css(this.wh, "10px");
				this.options.initCallback !== null && this.options.initCallback(this, "reset");
				this.setup()
			},
			reload: function() {
				this.tail !== null && this.inTail && this.list.css(this.lt, h.intval(this.list.css(this.lt)) + this.tail);
				this.tail = null;
				this.inTail = false;
				this.options.reloadCallback !== null && this.options.reloadCallback(this);
				if (this.options.visible !== null) {
					var a = this,
						c = Math.ceil(this.clipping() / this.options.visible),
						b = 0,
						d = 0;
					this.list.children("li").each(function(f) {
							b += a.dimension(this, c);
							if (f + 1 < a.first) d = b
						});
					this.list.css(this.wh, b + "px");
					this.list.css(this.lt, -d + "px")
				}
				this.scroll(this.first, false)
			},
			lock: function() {
				this.locked = true;
				this.buttons()
			},
			unlock: function() {
				this.locked = false;
				this.buttons()
			},
			size: function(a) {
				if (a !== undefined) {
					this.options.size = a;
					this.locked || this.buttons()
				}
				return this.options.size
			},
			has: function(a, c) {
				if (c === undefined || !c) c = a;
				if (this.options.size !== null && c > this.options.size) c = this.options.size;
				for (var b = a; b <= c; b++) {
					var d = this.get(b);
					if (!d.length || d.hasClass("jcarousel-item-placeholder")) return false
				}
				return true
			},
			get: function(a) {
				return i(".jcarousel-item-" + a, this.list)
			},
			add: function(a, c) {
				var b = this.get(a),
					d = 0,
					f = i(c);
				if (b.length === 0) {
						var j, e = h.intval(a);
						for (b = this.create(a);;) {
							j = this.get(--e);
							if (e <= 0 || j.length) {
								e <= 0 ? this.list.prepend(b) : j.after(b);
								break
							}
						}
					} else d = this.dimension(b);
				if (f.get(0).nodeName.toUpperCase() == "LI") {
						b.replaceWith(f);
						b = f
					} else b.empty().append(c);
				this.format(b.removeClass(this.className("jcarousel-item-placeholder")), a);
				f = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null;
				d = this.dimension(b, f) - d;
				a > 0 && a < this.first && this.list.css(this.lt, h.intval(this.list.css(this.lt)) - d + "px");
				this.list.css(this.wh, h.intval(this.list.css(this.wh)) + d + "px");
				return b
			},
			remove: function(a) {
				var c = this.get(a);
				if (!(!c.length || a >= this.first && a <= this.last)) {
					var b = this.dimension(c);
					a < this.first && this.list.css(this.lt, h.intval(this.list.css(this.lt)) + b + "px");
					c.remove();
					this.list.css(this.wh, h.intval(this.list.css(this.wh)) - b + "px")
				}
			},
			next: function() {
				this.tail !== null && !this.inTail ? this.scrollTail(false) : this.scroll((this.options.wrap == "both" || this.options.wrap == "last") && this.options.size !== null && this.last == this.options.size ? 1 : this.first + this.options.scroll)
			},
			prev: function() {
				this.tail !== null && this.inTail ? this.scrollTail(true) : this.scroll((this.options.wrap == "both" || this.options.wrap == "first") && this.options.size !== null && this.first == 1 ? this.options.size : this.first - this.options.scroll)
			},
			scrollTail: function(a) {
				if (!(this.locked || this.animating || !this.tail)) {
					this.pauseAuto();
					var c = h.intval(this.list.css(this.lt));
					c = !a ? c - this.tail : c + this.tail;
					this.inTail = !a;
					this.prevFirst = this.first;
					this.prevLast = this.last;
					this.animate(c)
				}
			},
			scroll: function(a, c) {
				if (!(this.locked || this.animating)) {
					this.pauseAuto();
					this.animate(this.pos(a), c)
				}
			},
			pos: function(a, c) {
				var b = h.intval(this.list.css(this.lt));
				if (this.locked || this.animating) return b;
				if (this.options.wrap != "circular") a = a < 1 ? 1 : this.options.size && a > this.options.size ? this.options.size : a;
				for (var d = this.first > a, f = this.options.wrap != "circular" && this.first <= 1 ? 1 : this.first, j = d ? this.get(f) : this.get(this.last), e = d ? f : f - 1, g = null, k = 0, l = false, m = 0; d ? --e >= a : ++e < a;) {
					g = this.get(e);
					l = !g.length;
					if (g.length === 0) {
						g = this.create(e).addClass(this.className("jcarousel-item-placeholder"));
						j[d ? "before" : "after"](g);
						if (this.first !== null && this.options.wrap == "circular" && this.options.size !== null && (e <= 0 || e > this.options.size)) {
							j = this.get(this.index(e));
							if (j.length) g = this.add(e, j.clone(true))
						}
					}
					j = g;
					m = this.dimension(g);
					if (l) k += m;
					if (this.first !== null && (this.options.wrap == "circular" || e >= 1 && (this.options.size === null || e <= this.options.size))) b = d ? b + m : b - m
				}
				f = this.clipping();
				var p = [],
					o = 0,
					n = 0;
				j = this.get(a - 1);
				for (e = a; ++o;) {
						g = this.get(e);
						l = !g.length;
						if (g.length === 0) {
							g = this.create(e).addClass(this.className("jcarousel-item-placeholder"));
							j.length === 0 ? this.list.prepend(g) : j[d ? "before" : "after"](g);
							if (this.first !== null && this.options.wrap == "circular" && this.options.size !== null && (e <= 0 || e > this.options.size)) {
								j = this.get(this.index(e));
								if (j.length) g = this.add(e, j.clone(true))
							}
						}
						j = g;
						m = this.dimension(g);
						if (m === 0) throw Error("jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...");
						if (this.options.wrap != "circular" && this.options.size !== null && e > this.options.size) p.push(g);
						else if (l) k += m;
						n += m;
						if (n >= f) break;
						e++
					}
				for (g = 0; g < p.length; g++) p[g].remove();
				if (k > 0) {
						this.list.css(this.wh, this.dimension(this.list) + k + "px");
						if (d) {
							b -= k;
							this.list.css(this.lt, h.intval(this.list.css(this.lt)) - k + "px")
						}
					}
				k = a + o - 1;
				if (this.options.wrap != "circular" && this.options.size && k > this.options.size) k = this.options.size;
				if (e > k) {
						o = 0;
						e = k;
						for (n = 0; ++o;) {
							g = this.get(e--);
							if (!g.length) break;
							n += this.dimension(g);
							if (n >= f) break
						}
					}
				e = k - o + 1;
				if (this.options.wrap != "circular" && e < 1) e = 1;
				if (this.inTail && d) {
						b += this.tail;
						this.inTail = false
					}
				this.tail = null;
				if (this.options.wrap != "circular" && k == this.options.size && k - o + 1 >= 1) {
						d = h.margin(this.get(k), !this.options.vertical ? "marginRight" : "marginBottom");
						if (n - d > f) this.tail = n - f - d
					}
				if (c && a === this.options.size && this.tail) {
						b -= this.tail;
						this.inTail = true
					}
				for (; a-- > e;) b += this.dimension(this.get(a));
				this.prevFirst = this.first;
				this.prevLast = this.last;
				this.first = e;
				this.last = k;
				return b
			},
			animate: function(a, c) {
				if (!(this.locked || this.animating)) {
					this.animating = true;
					var b = this,
						d = function() {
							b.animating = false;
							a === 0 && b.list.css(b.lt, 0);
							if (!b.autoStopped && (b.options.wrap == "circular" || b.options.wrap == "both" || b.options.wrap == "last" || b.options.size === null || b.last < b.options.size || b.last == b.options.size && b.tail !== null && !b.inTail)) b.startAuto();
							b.buttons();
							b.notify("onAfterAnimation");
							if (b.options.wrap == "circular" && b.options.size !== null) for (var f = b.prevFirst; f <= b.prevLast; f++) if (f !== null && !(f >= b.first && f <= b.last) && (f < 1 || f > b.options.size)) b.remove(f)
						};
					this.notify("onBeforeAnimation");
					if (!this.options.animation || c === false) {
							this.list.css(this.lt, a + "px");
							d()
						} else this.list.animate(!this.options.vertical ? this.options.rtl ? {
							right: a
						} : {
							left: a
						} : {
							top: a
						}, this.options.animation, this.options.easing, d)
				}
			},
			startAuto: function(a) {
				if (a !== undefined) this.options.auto = a;
				if (this.options.auto === 0) return this.stopAuto();
				if (this.timer === null) {
					this.autoStopped = false;
					var c = this;
					this.timer = window.setTimeout(function() {
						c.next()
					}, this.options.auto * 1E3)
				}
			},
			stopAuto: function() {
				this.pauseAuto();
				this.autoStopped = true
			},
			pauseAuto: function() {
				if (this.timer !== null) {
					window.clearTimeout(this.timer);
					this.timer = null
				}
			},
			buttons: function(a, c) {
				if (a == null) {
					a = !this.locked && this.options.size !== 0 && (this.options.wrap && this.options.wrap != "first" || this.options.size === null || this.last < this.options.size);
					if (!this.locked && (!this.options.wrap || this.options.wrap == "first") && this.options.size !== null && this.last >= this.options.size) a = this.tail !== null && !this.inTail
				}
				if (c == null) {
					c = !this.locked && this.options.size !== 0 && (this.options.wrap && this.options.wrap != "last" || this.first > 1);
					if (!this.locked && (!this.options.wrap || this.options.wrap == "last") && this.options.size !== null && this.first == 1) c = this.tail !== null && this.inTail
				}
				var b = this;
				if (this.buttonNext.size() > 0) {
					this.buttonNext.unbind(this.options.buttonNextEvent + ".jcarousel", this.funcNext);
					a && this.buttonNext.bind(this.options.buttonNextEvent + ".jcarousel", this.funcNext);
					this.buttonNext[a ? "removeClass" : "addClass"](this.className("jcarousel-next-disabled")).attr("disabled", a ? false : true);
					this.options.buttonNextCallback !== null && this.buttonNext.data("jcarouselstate") != a && this.buttonNext.each(function() {
						b.options.buttonNextCallback(b, this, a)
					}).data("jcarouselstate", a)
				} else this.options.buttonNextCallback !== null && this.buttonNextState != a && this.options.buttonNextCallback(b, null, a);
				if (this.buttonPrev.size() > 0) {
					this.buttonPrev.unbind(this.options.buttonPrevEvent + ".jcarousel", this.funcPrev);
					c && this.buttonPrev.bind(this.options.buttonPrevEvent + ".jcarousel", this.funcPrev);
					this.buttonPrev[c ? "removeClass" : "addClass"](this.className("jcarousel-prev-disabled")).attr("disabled", c ? false : true);
					this.options.buttonPrevCallback !== null && this.buttonPrev.data("jcarouselstate") != c && this.buttonPrev.each(function() {
						b.options.buttonPrevCallback(b, this, c)
					}).data("jcarouselstate", c)
				} else this.options.buttonPrevCallback !== null && this.buttonPrevState != c && this.options.buttonPrevCallback(b, null, c);
				this.buttonNextState = a;
				this.buttonPrevState = c
			},
			notify: function(a) {
				var c = this.prevFirst === null ? "init" : this.prevFirst < this.first ? "next" : "prev";
				this.callback("itemLoadCallback", a, c);
				if (this.prevFirst !== this.first) {
					this.callback("itemFirstInCallback", a, c, this.first);
					this.callback("itemFirstOutCallback", a, c, this.prevFirst)
				}
				if (this.prevLast !== this.last) {
					this.callback("itemLastInCallback", a, c, this.last);
					this.callback("itemLastOutCallback", a, c, this.prevLast)
				}
				this.callback("itemVisibleInCallback", a, c, this.first, this.last, this.prevFirst, this.prevLast);
				this.callback("itemVisibleOutCallback", a, c, this.prevFirst, this.prevLast, this.first, this.last)
			},
			callback: function(a, c, b, d, f, j, e) {
				if (!(this.options[a] == null || typeof this.options[a] != "object" && c != "onAfterAnimation")) {
					var g = typeof this.options[a] == "object" ? this.options[a][c] : this.options[a];
					if (i.isFunction(g)) {
						var k = this;
						if (d === undefined) g(k, b, c);
						else if (f === undefined) this.get(d).each(function() {
							g(k, this, d, b, c)
						});
						else {
							a = function(m) {
								k.get(m).each(function() {
									g(k, this, m, b, c)
								})
							};
							for (var l = d; l <= f; l++) l !== null && !(l >= j && l <= e) && a(l)
						}
					}
				}
			},
			create: function(a) {
				return this.format("<li></li>", a)
			},
			format: function(a, c) {
				a = i(a);
				for (var b = a.get(0).className.split(" "), d = 0; d < b.length; d++) b[d].indexOf("jcarousel-") != -1 && a.removeClass(b[d]);
				a.addClass(this.className("jcarousel-item")).addClass(this.className("jcarousel-item-" + c)).css({
					"float": this.options.rtl ? "right" : "left",
					"list-style": "none"
				}).attr("jcarouselindex", c);
				return a
			},
			className: function(a) {
				return a + " " + a + (!this.options.vertical ? "-horizontal" : "-vertical")
			},
			dimension: function(a, c) {
				var b = a.jquery !== undefined ? a[0] : a,
					d = !this.options.vertical ? (b.offsetWidth || h.intval(this.options.itemFallbackDimension)) + h.margin(b, "marginLeft") + h.margin(b, "marginRight") : (b.offsetHeight || h.intval(this.options.itemFallbackDimension)) + h.margin(b, "marginTop") + h.margin(b, "marginBottom");
				if (c == null || d == c) return d;
				d = !this.options.vertical ? c - h.margin(b, "marginLeft") - h.margin(b, "marginRight") : c - h.margin(b, "marginTop") - h.margin(b, "marginBottom");
				i(b).css(this.wh, d + "px");
				return this.dimension(b)
			},
			clipping: function() {
				return !this.options.vertical ? this.clip[0].offsetWidth - h.intval(this.clip.css("borderLeftWidth")) - h.intval(this.clip.css("borderRightWidth")) : this.clip[0].offsetHeight - h.intval(this.clip.css("borderTopWidth")) - h.intval(this.clip.css("borderBottomWidth"))
			},
			index: function(a, c) {
				if (c == null) c = this.options.size;
				return Math.round(((a - 1) / c - Math.floor((a - 1) / c)) * c) + 1
			}
		});
	h.extend({
			defaults: function(a) {
				return i.extend(q, a || {})
			},
			margin: function(a, c) {
				if (!a) return 0;
				var b = a.jquery !== undefined ? a[0] : a;
				if (c == "marginRight" && i.browser.safari) {
					var d = {
						display: "block",
						"float": "none",
						width: "auto"
					},
						f, j;
					i.swap(b, d, function() {
							f = b.offsetWidth
						});
					d.marginRight = 0;
					i.swap(b, d, function() {
							j = b.offsetWidth
						});
					return j - f
				}
				return h.intval(i.css(b, c))
			},
			intval: function(a) {
				a = parseInt(a, 10);
				return isNaN(a) ? 0 : a
			}
		});
	i.fn.jcarousel = function(a) {
			if (typeof a == "string") {
				var c = i(this).data("jcarousel"),
					b = Array.prototype.slice.call(arguments, 1);
				return c[a].apply(c, b)
			} else return this.each(function() {
				i(this).data("jcarousel", new h(this, a))
			})
		}
})(jQuery);
