/**
 * jCarousel - Riding carousels with jQuery
 *   http://sorgalla.com/jcarousel/
 *
 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 *
 * Built on top of the jQuery library
 *   http://jquery.com
 *
 * Inspired by the "Carousel Component" by Bill Scott
 *   http://billwscott.com/carousel/
 */
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(function ($) {
	$.fn.jcarousel = function (o) {
		return this.each(function () {
			new r(this, o)
		})
	};
	var q = {
		vertical: false,
		start: 1,
		offset: 1,
		size: null,
		scroll: 1,
		visible: null,
		animation: 'slow',
		easing: 'swing',
		speed: 200,
		auto: 0,
		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
	};
	$.jcarousel = function (e, o) {
		this.options = $.extend({},
		q, o || {});
		this.locked = false;
		this.container = null;
		this.clip = null;
		this.list = null;
		this.buttonNext = null;
		this.buttonPrev = null;
		this.wh = !this.options.vertical ? 'width': 'height';
		this.lt = !this.options.vertical ? 'left': 'top';
		var a = '',
		split = e.className.split(' ');
		for (var i = 0; i < split.length; i++) {
			if (split[i].indexOf('jcarousel-skin') != -1) {
				$(e).removeClass(split[i]);
				var a = split[i];
				break
			}
		}
		if (e.nodeName == 'UL' || e.nodeName == 'OL') {
			this.list = $(e);
			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 = $(e);
			this.list = $(e).find('>ul,>ol,div>ul,div>ol')
		}
		if (a != '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1) this.container.wrap('<div class=" ' + a + '"></div>');
		this.clip = this.list.parent();
		if (!this.clip.length || !this.clip.hasClass('jcarousel-clip')) this.clip = this.list.wrap('<div></div>').parent();
		this.buttonPrev = $('.jcarousel-prev', this.container);
		if (this.buttonPrev.size() == 0 && this.options.buttonPrevHTML != null) this.buttonPrev = this.clip.before(this.options.buttonPrevHTML).prev();
		this.buttonPrev.addClass(this.className('jcarousel-prev'));
		this.buttonNext = $('.jcarousel-next', this.container);
		if (this.buttonNext.size() == 0 && this.options.buttonNextHTML != null) this.buttonNext = this.clip.before(this.options.buttonNextHTML).prev();
		this.buttonNext.addClass(this.className('jcarousel-next'));
		this.clip.addClass(this.className('jcarousel-clip'));
		this.list.addClass(this.className('jcarousel-list'));
		this.container.addClass(this.className('jcarousel-container'));
		var b = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
		var c = this.list.children('li');
		var d = this;
		if (c.size() > 0) {
			var f = 0,
			i = this.options.offset;
			c.each(function () {
				d.format(this, i++);
				f += d.dimension(this, b)
			});
			this.list.css(this.wh, f + 'px');
			if (!o || o.size === undefined) this.options.size = c.size()
		}
		this.container.css('display', 'block');
		this.buttonNext.css('display', 'block');
		this.buttonPrev.css('display', 'block');
		this.funcNext = function () {
			d.next()
		};
		this.funcPrev = function () {
			d.prev()
		};
		this.funcResize = function () {
			d.reload()
		};
		if (this.options.initCallback != null) this.options.initCallback(this, 'init');
		if ($.browser.safari) {
			this.buttons(false, false);
			$(window).bind('load', function () {
				d.setup()
			})
		} else this.setup()
	};
	var r = $.jcarousel;
	r.fn = r.prototype = {
		jcarousel: '0.2.3'
	};
	r.fn.extend = r.extend = $.extend;
	r.fn.extend({
		setup: function () {
			this.first = null;
			this.last = null;
			this.prevFirst = null;
			this.prevLast = null;
			this.animating = false;
			this.timer = null;
			this.tail = null;
			this.inTail = false;
			if (this.locked) return;
			this.list.css(this.lt, this.pos(this.options.offset) + 'px');
			var p = this.pos(this.options.start);
			this.prevFirst = this.prevLast = null;
			this.animate(p, false);
			$(window).unbind('resize', this.funcResize).bind('resize', this.funcResize)
		},
		reset: function () {
			this.list.empty();
			this.list.css(this.lt, '0px');
			this.list.css(this.wh, '10px');
			if (this.options.initCallback != null) this.options.initCallback(this, 'reset');
			this.setup()
		},
		reload: function () {
			if (this.tail != null && this.inTail) this.list.css(this.lt, r.intval(this.list.css(this.lt)) + this.tail);
			this.tail = null;
			this.inTail = false;
			if (this.options.reloadCallback != null) this.options.reloadCallback(this);
			if (this.options.visible != null) {
				var a = this;
				var b = Math.ceil(this.clipping() / this.options.visible),
				wh = 0,
				lt = 0;
				$('li', this.list).each(function (i) {
					wh += a.dimension(this, b);
					if (i + 1 < a.first) lt = wh
				});
				this.list.css(this.wh, wh + 'px');
				this.list.css(this.lt, -lt + 'px')
			}
			this.scroll(this.first, false)
		},
		lock: function () {
			this.locked = true;
			this.buttons()
		},
		unlock: function () {
			this.locked = false;
			this.buttons()
		},
		size: function (s) {
			if (s != undefined) {
				this.options.size = s;
				if (!this.locked) this.buttons()
			}
			return this.options.size
		},
		has: function (i, a) {
			if (a == undefined || !a) a = i;
			if (this.options.size !== null && a > this.options.size) a = this.options.size;
			for (var j = i; j <= a; j++) {
				var e = this.get(j);
				if (!e.length || e.hasClass('jcarousel-item-placeholder')) return false
			}
			return true
		},
		get: function (i) {
			return $('.jcarousel-item-' + i, this.list)
		},
		add: function (i, s) {
			var e = this.get(i),
			old = 0,
			add = 0;
			if (e.length == 0) {
				var c, e = this.create(i),
				j = r.intval(i);
				while (c = this.get(--j)) {
					if (j <= 0 || c.length) {
						j <= 0 ? this.list.prepend(e) : c.after(e);
						break
					}
				}
			} else old = this.dimension(e);
			e.removeClass(this.className('jcarousel-item-placeholder'));
			typeof s == 'string' ? e.html(s) : e.empty().append(s);
			var a = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
			var b = this.dimension(e, a) - old;
			if (i > 0 && i < this.first) this.list.css(this.lt, r.intval(this.list.css(this.lt)) - b + 'px');
			this.list.css(this.wh, r.intval(this.list.css(this.wh)) + b + 'px');
			return e
		},
		remove: function (i) {
			var e = this.get(i);
			if (!e.length || (i >= this.first && i <= this.last)) return;
			var d = this.dimension(e);
			if (i < this.first) this.list.css(this.lt, r.intval(this.list.css(this.lt)) + d + 'px');
			e.remove();
			this.list.css(this.wh, r.intval(this.list.css(this.wh)) - d + 'px')
		},
		next: function () {
			this.stopAuto();
			if (this.tail != null && !this.inTail) this.scrollTail(false);
			else 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.stopAuto();
			if (this.tail != null && this.inTail) this.scrollTail(true);
			else 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 (b) {
			if (this.locked || this.animating || !this.tail) return;
			var a = r.intval(this.list.css(this.lt)); ! b ? a -= this.tail: a += this.tail;
			this.inTail = !b;
			this.prevFirst = this.first;
			this.prevLast = this.last;
			this.animate(a)
		},
		scroll: function (i, a) {
			if (this.locked || this.animating) return;
			this.animate(this.pos(i), a)
		},
		pos: function (i) {
			if (this.locked || this.animating) return;
			i = r.intval(i);
			if (this.options.wrap != 'circular') i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size: i);
			var a = this.first > i;
			var b = r.intval(this.list.css(this.lt));
			var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first;
			var c = a ? this.get(f) : this.get(this.last);
			var j = a ? f: f - 1;
			var e = null,
			l = 0,
			p = false,
			d = 0;
			while (a ? --j >= i: ++j < i) {
				e = this.get(j);
				p = !e.length;
				if (e.length == 0) {
					e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));
					c[a ? 'before': 'after'](e)
				}
				c = e;
				d = this.dimension(e);
				if (p) l += d;
				if (this.first != null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size == null || j <= this.options.size)))) b = a ? b + d: b - d
			}
			var g = this.clipping();
			var h = [];
			var k = 0,
			j = i,
			v = 0;
			var c = this.get(i - 1);
			while (++k) {
				e = this.get(j);
				p = !e.length;
				if (e.length == 0) {
					e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));
					c.length == 0 ? this.list.prepend(e) : c[a ? 'before': 'after'](e)
				}
				c = e;
				var d = this.dimension(e);
				if (d == 0) {
					alert('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');
					return 0
				}
				if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size) h.push(e);
				else if (p) l += d;
				v += d;
				if (v >= g) break;
				j++
			}
			for (var x = 0; x < h.length; x++) h[x].remove();
			if (l > 0) {
				this.list.css(this.wh, this.dimension(this.list) + l + 'px');
				if (a) {
					b -= l;
					this.list.css(this.lt, r.intval(this.list.css(this.lt)) - l + 'px')
				}
			}
			var n = i + k - 1;
			if (this.options.wrap != 'circular' && this.options.size && n > this.options.size) n = this.options.size;
			if (j > n) {
				k = 0,
				j = n,
				v = 0;
				while (++k) {
					var e = this.get(j--);
					if (!e.length) break;
					v += this.dimension(e);
					if (v >= g) break
				}
			}
			var o = n - k + 1;
			if (this.options.wrap != 'circular' && o < 1) o = 1;
			if (this.inTail && a) {
				b += this.tail;
				this.inTail = false
			}
			this.tail = null;
			if (this.options.wrap != 'circular' && n == this.options.size && (n - k + 1) >= 1) {
				var m = r.margin(this.get(n), !this.options.vertical ? 'marginRight': 'marginBottom');
				if ((v - m) > g) this.tail = v - g - m
			}
			while (i -->
			o) b += this.dimension(this.get(i));
			this.prevFirst = this.first;
			this.prevLast = this.last;
			this.first = o;
			this.last = n;
			return b
		},
		animate: function (p, a) {
			if (this.locked || this.animating) return;
			this.animating = true;
			var b = this;
			var c = function () {
				b.animating = false;
				if (p == 0) b.list.css(b.lt, 0);
				if (b.options.wrap == 'both' || b.options.wrap == 'last' || b.options.size == null || b.last < b.options.size) b.startAuto();
				b.buttons();
				b.notify('onAfterAnimation')
			};
			this.notify('onBeforeAnimation');
			if (!this.options.animation || a == false) {
				this.list.css(this.lt, p + 'px');
				c()
			} else {
				var o = !this.options.vertical ? {
					'left': p
				}: {
					'top': p
				};
				this.list.animate(o, this.options.animation, this.options.easing, c)
			}
		},
		startAuto: function (s) {
			if (s != undefined) this.options.auto = s;
			if (this.options.auto == 0) return this.stopAuto();
			if (this.timer != null) return;
			var a = this;
			this.timer = setTimeout(function () {
				a.next()
			},
			this.options.auto * 1000)
		},
		stopAuto: function () {
			if (this.timer == null) return;
			clearTimeout(this.timer);
			this.timer = null
		},
		buttons: function (n, p) {
			if (n == undefined || n == null) {
				var n = !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) n = this.tail != null && !this.inTail
			}
			if (p == undefined || p == null) {
				var p = !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) p = this.tail != null && this.inTail
			}
			var a = this;
			this.buttonNext[n ? 'bind': 'unbind'](this.options.buttonNextEvent, this.funcNext)[n ? 'removeClass': 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false: true);
			this.buttonPrev[p ? 'bind': 'unbind'](this.options.buttonPrevEvent, this.funcPrev)[p ? 'removeClass': 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false: true);
			if (this.buttonNext.length > 0 && (this.buttonNext[0].jcarouselstate == undefined || this.buttonNext[0].jcarouselstate != n) && this.options.buttonNextCallback != null) {
				this.buttonNext.each(function () {
					a.options.buttonNextCallback(a, this, n)
				});
				this.buttonNext[0].jcarouselstate = n
			}
			if (this.buttonPrev.length > 0 && (this.buttonPrev[0].jcarouselstate == undefined || this.buttonPrev[0].jcarouselstate != p) && this.options.buttonPrevCallback != null) {
				this.buttonPrev.each(function () {
					a.options.buttonPrevCallback(a, this, p)
				});
				this.buttonPrev[0].jcarouselstate = p
			}
		},
		notify: function (a) {
			var b = this.prevFirst == null ? 'init': (this.prevFirst < this.first ? 'next': 'prev');
			this.callback('itemLoadCallback', a, b);
			if (this.prevFirst !== this.first) {
				this.callback('itemFirstInCallback', a, b, this.first);
				this.callback('itemFirstOutCallback', a, b, this.prevFirst)
			}
			if (this.prevLast !== this.last) {
				this.callback('itemLastInCallback', a, b, this.last);
				this.callback('itemLastOutCallback', a, b, this.prevLast)
			}
			this.callback('itemVisibleInCallback', a, b, this.first, this.last, this.prevFirst, this.prevLast);
			this.callback('itemVisibleOutCallback', a, b, this.prevFirst, this.prevLast, this.first, this.last)
		},
		callback: function (a, b, c, d, e, f, g) {
			if (this.options[a] == undefined || (typeof this.options[a] != 'object' && b != 'onAfterAnimation')) return;
			var h = typeof this.options[a] == 'object' ? this.options[a][b] : this.options[a];
			if (!$.isFunction(h)) return;
			var j = this;
			if (d === undefined) h(j, c, b);
			else if (e === undefined) this.get(d).each(function () {
				h(j, this, d, c, b)
			});
			else {
				for (var i = d; i <= e; i++) if (i !== null && !(i >= f && i <= g)) this.get(i).each(function () {
					h(j, this, i, c, b)
				})
			}
		},
		create: function (i) {
			return this.format('<li></li>', i)
		},
		format: function (e, i) {
			var a = $(e).addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i));
			a.attr('jcarouselindex', i);
			return a
		},
		className: function (c) {
			return c + ' ' + c + (!this.options.vertical ? '-horizontal': '-vertical')
		},
		dimension: function (e, d) {
			var a = e.jquery != undefined ? e[0] : e;
			var b = !this.options.vertical ? a.offsetWidth + r.margin(a, 'marginLeft') + r.margin(a, 'marginRight') : a.offsetHeight + r.margin(a, 'marginTop') + r.margin(a, 'marginBottom');
			if (d == undefined || b == d) return b;
			var w = !this.options.vertical ? d - r.margin(a, 'marginLeft') - r.margin(a, 'marginRight') : d - r.margin(a, 'marginTop') - r.margin(a, 'marginBottom');
			$(a).css(this.wh, w + 'px');
			return this.dimension(a)
		},
		clipping: function () {
			return ! this.options.vertical ? this.clip[0].offsetWidth - r.intval(this.clip.css('borderLeftWidth')) - r.intval(this.clip.css('borderRightWidth')) : this.clip[0].offsetHeight - r.intval(this.clip.css('borderTopWidth')) - r.intval(this.clip.css('borderBottomWidth'))
		},
		index: function (i, s) {
			if (s == undefined) s = this.options.size;
			return Math.round((((i - 1) / s) - Math.floor((i - 1) / s)) * s) + 1
		}
	});
	r.extend({
		defaults: function (d) {
			return $.extend(q, d || {})
		},
		margin: function (e, p) {
			if (!e) return 0;
			var a = e.jquery != undefined ? e[0] : e;
			if (p == 'marginRight' && $.browser.safari) {
				var b = {
					'display': 'block',
					'float': 'none',
					'width': 'auto'
				},
				oWidth,
				oWidth2;
				$.swap(a, b, function () {
					oWidth = a.offsetWidth
				});
				b['marginRight'] = 0;
				$.swap(a, b, function () {
					oWidth2 = a.offsetWidth
				});
				return oWidth2 - oWidth
			}
			return r.intval($.css(a, p))
		},
		intval: function (v) {
			v = parseInt(v);
			return isNaN(v) ? 0 : v
		}
	})
})(jQuery);