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Viewing File: jquery.inview.min.js

(function (d) {
	var p = {},
		e, a, h = document,
		i = window,
		f = h.documentElement,
		j = d.expando;
	d.event.special.inview = {
		add: function (a) {
			p[a.guid + "-" + this[j]] = {
				data: a,
				$element: d(this)
			}
		},
		remove: function (a) {
			try {
				delete p[a.guid + "-" + this[j]]
			} catch (d) {}
		}
	};
	d(i).bind("scroll resize", function () {
		e = a = null
	});
	!f.addEventListener && f.attachEvent && f.attachEvent("onfocusin", function () {
		a = null
	});
	setInterval(function () {
		var k = d(),
			j, n = 0;
		d.each(p, function (a, b) {
			var c = b.data.selector,
				d = b.$element;
			k = k.add(c ? d.find(c) : d)
		});
		if (j = k.length) {
			var b;
			if (!(b = e)) {
				var g = {
					height: i.innerHeight,
					width: i.innerWidth
				};
				if (!g.height && ((b = h.compatMode) || !d.support.boxModel)) b = "CSS1Compat" === b ? f : h.body, g = {
					height: b.clientHeight,
					width: b.clientWidth
				};
				b = g
			}
			e = b;
			for (a = a || {
					top: i.pageYOffset || f.scrollTop || h.body.scrollTop,
					left: i.pageXOffset || f.scrollLeft || h.body.scrollLeft
				}; n < j; n++)
				if (d.contains(f, k[n])) {
					b = d(k[n]);
					var l = b.height(),
						m = b.width(),
						c = b.offset(),
						g = b.data("inview");
					if (!a || !e) break;
					c.top + l > a.top && c.top < a.top + e.height && c.left + m > a.left && c.left < a.left + e.width ?
						(m = a.left > c.left ? "right" : a.left + e.width < c.left + m ? "left" : "both", l = a.top > c.top ? "bottom" : a.top + e.height < c.top + l ? "top" : "both", c = m + "-" + l, (!g || g !== c) && b.data("inview", c).trigger("inview", [!0, m, l])) : g && b.data("inview", !1).trigger("inview", [!1])
				}
		}
	}, 250)
})(jQuery);