/*! backstretch - v2.0.3 - 2012-11-30
 * http://srobbin.com/jquery-plugins/backstretch/
 * copyright (c) 2012 scott robbin; licensed mit */
(function(e, t, n) {
	"use strict";
	e.fn.backstretch = function(r, s) {
		return (r === n || r.length === 0) && e.error("no images were supplied for backstretch"), e(t).scrolltop() === 0 && t.scrollto(0, 0), this.each(function() {
			var t = e(this),
				n = t.data("backstretch");
			n && (s = e.extend(n.options, s), n.destroy(!0)), n = new i(this, r, s), t.data("backstretch", n)
		})
	}, e.backstretch = function(t, n) {
		return e("body").backstretch(t, n).data("backstretch")
	}, e.expr[":"].backstretch = function(t) {
		return e(t).data("backstretch") !== n
	}, e.fn.backstretch.defaults = {
		centeredx: !0,
		centeredy: !0,
		duration: 5e3,
		fade: 0
	};
	var r = {
			wrap: {
				left: 0,
				top: 0,
				overflow: "hidden",
				margin: 0,
				padding: 0,
				height: "100%",
				width: "100%",
				zindex: -999999
			},
			img: {
				position: "absolute",
				display: "none",
				margin: 0,
				padding: 0,
				border: "none",
				width: "auto",
				height: "auto",
				maxwidth: "none",
				zindex: -999999
			}
		},
		i = function(n, i, o) {
			this.options = e.extend({}, e.fn.backstretch.defaults, o || {}), this.images = e.isarray(i) ? i : [i], e.each(this.images, function() {
				e("<img />")[0].src = this
			}), this.isbody = n === document.body, this.$container = e(n), this.$wrap = e('<div class="backstretch"></div>').css(r.wrap).appendto(this.$container), this.$root = this.isbody ? s ? e(t) : e(document) : this.$container;
			if (!this.isbody) {
				var u = this.$container.css("position"),
					a = this.$container.css("zindex");
				this.$container.css({
					position: u === "static" ? "relative" : u,
					zindex: a === "auto" ? 0 : a,
					background: "none"
				}), this.$wrap.css({
					zindex: -999998
				})
			}
			this.$wrap.css({
				position: this.isbody && s ? "fixed" : "absolute"
			}), this.index = 0, this.show(this.index), e(t).on("resize.backstretch", e.proxy(this.resize, this)).on("orientationchange.backstretch", e.proxy(function() {
				this.isbody && t.pageyoffset === 0 && (t.scrollto(0, 1), this.resize())
			}, this))
		};
	i.prototype = {
		resize: function() {
			try {
				var e = {
						left: 0,
						top: 0
					},
					n = this.isbody ? this.$root.width() : this.$root.innerwidth(),
					r = n,
					i = this.isbody ? t.innerheight ? t.innerheight : this.$root.height() : this.$root.innerheight(),
					s = r / this.$img.data("ratio"),
					o;
				s >= i ? (o = (s - i) / 2, this.options.centeredy && (e.top = "-" + o + "px")) : (s = i, r = s * this.$img.data("ratio"), o = (r - n) / 2, this.options.centeredx && (e.left = "-" + o + "px")), this.$wrap.css({
					width: n,
					height: i
				}).find("img:not(.deleteable)").css({
					width: r,
					height: s
				}).css(e)
			} catch (u) {}
			return this
		},
		show: function(t) {
			if (math.abs(t) > this.images.length - 1) return;
			this.index = t;
			var n = this,
				i = n.$wrap.find("img").addclass("deleteable"),
				s = e.event("backstretch.show", {
					relatedtarget: n.$container[0]
				});
			return clearinterval(n.interval), n.$img = e("<img />").css(r.img).bind("load", function(t) {
				var r = this.width || e(t.target).width(),
					o = this.height || e(t.target).height();
				e(this).data("ratio", r / o), e(this).fadein(n.options.speed || n.options.fade, function() {
					i.remove(), n.paused || n.cycle(), n.$container.trigger(s, n)
				}), n.resize()
			}).appendto(n.$wrap), n.$img.attr("src", n.images[t]), n
		},
		next: function() {
			return this.show(this.index < this.images.length - 1 ? this.index + 1 : 0)
		},
		prev: function() {
			return this.show(this.index === 0 ? this.images.length - 1 : this.index - 1)
		},
		pause: function() {
			return this.paused = !0, this
		},
		resume: function() {
			return this.paused = !1, this.next(), this
		},
		cycle: function() {
			return this.images.length > 1 && (clearinterval(this.interval), this.interval = setinterval(e.proxy(function() {
				this.paused || this.next()
			}, this), this.options.duration)), this
		},
		destroy: function(n) {
			e(t).off("resize.backstretch orientationchange.backstretch"), clearinterval(this.interval), n || this.$wrap.remove(), this.$container.removedata("backstretch")
		}
	};
	var s = function() {
		var e = navigator.useragent,
			n = navigator.platform,
			r = e.match(/applewebkit\/([0-9]+)/),
			i = !!r && r[1],
			s = e.match(/fennec\/([0-9]+)/),
			o = !!s && s[1],
			u = e.match(/opera mobi\/([0-9]+)/),
			a = !!u && u[1],
			f = e.match(/msie ([0-9]+)/),
			l = !!f && f[1];
		return !((n.indexof("iphone") > -1 || n.indexof("ipad") > -1 || n.indexof("ipod") > -1) && i && i < 534 || t.operamini && {}.tostring.call(t.operamini) === "[object operamini]" || u && a < 7458 || e.indexof("android") > -1 && i && i < 533 || o && o < 6 || "palmgetresource" in t && i && i < 534 || e.indexof("meego") > -1 && e.indexof("nokiabrowser/8.5.0") > -1 || l && l <= 6)
	}()
})(jquery, window);