! function(a) {
    "use strict";
    a.Zebra_Pin = function(b, c) {
        var d = {
                class_name: "Zebra_Pin",
                contain: !1,
                hard: !1,
                top_spacing: 0,
                bottom_spacing: 0,
                z_index: 9999,
                onPin: null,
                onUnpin: null
            },
            e = this,
            f = (Math.random() + 1).toString(36).substring(2, 7);
        e.settings = {};
        var g = function() {
            e.settings = a.extend({}, d, c), e.update(), a(window).bind("resize", function() {
                e.update()
            })
        };
        e.update = function() {
            b.each(function(b) {
                void 0 === a(this).data("Zebra_Pin_Position") ? a(this).data("Zebra_Pin_Position", a(this).css("position")) : a(this).css("position", a(this).data("Zebra_Pin_Position"));
                var c = a(this),
                    d = c.offset(),
                    g = c.position(),
                    h = c.outerHeight(),
                    i = parseInt(c.css("marginLeft"), 10) || 0,
                    j = parseInt(c.css("marginTop"), 10) || 0;
                if (d.left -= i, d.top -= j, e.settings.contain) var k = c.parent(),
                    l = k.height(),
                    m = k.offset();
                if (e.settings.hard) c.css({
                    position: "fixed",
                    zIndex: e.settings.z_index
                }).addClass(e.settings.class_name);
                else {
                    c.css({
                        zIndex: e.settings.z_index
                    }).removeClass(e.settings.class_name);
                    var n = ".Zebra_Pin_" + f + "_" + b;
                    a(window).unbind("scroll" + n).bind("scroll" + n, function() {
                        var f = a(window).scrollTop();
                        f >= d.top - e.settings.top_spacing && (!e.settings.contain || f <= m.top + l - h - e.settings.bottom_spacing) && "fixed" != c.css("position") ? (c.css({
                            position: "fixed",
                            top: e.settings.top_spacing
                        }).addClass(e.settings.class_name), e.settings.onPin && "function" == typeof e.settings.onPin && e.settings.onPin(d.top - e.settings.top_spacing, c, b)) : f < d.top - e.settings.top_spacing && "absolute" != c.css("position") ? (c.css({
                            position: "absolute",
                            left: g.left,
							right: d.right,
                            top: g.top
                        }).removeClass(e.settings.class_name), e.settings.onUnpin && "function" == typeof e.settings.onUnpin && e.settings.onUnpin(d.top - e.settings.top_spacing, c, b)) : e.settings.contain && f >= m.top + l - h - e.settings.bottom_spacing && "absolute" != c.css("position") && (c.css({
                            position: "absolute",
                            left: g.left,
							right: d.right,
                            top: m.top + l - h - e.settings.bottom_spacing
                        }).removeClass(e.settings.class_name), e.settings.onUnpin && "function" == typeof e.settings.onUnpin && e.settings.onUnpin(m.top + l - h - e.settings.bottom_spacing, c, b))
                    }), a(window).trigger("scroll" + n)
                }
            })
        }, g()
    }
}(jQuery);