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//Parses scrollValues to html5 via external interface updated version v4
(function () {
    o.scrollY = {
        getScrollY: function () {
            var scrOfY = o.w.pageYOffset || o.w.document.body.scrollTop;
            return scrOfY;
        },
        submitScroll: function () {
            var p = o.scrollY,
                scrollObject = {
                    yPos: p.getScrollY(),
                    yMax: p.getDocHeight()
                };
            try {
                o.dispatchToCreative('onScroll', scrollObject);
            } catch (e) {}
        },
        getDocHeight: function () {
            var p = o.scrollY;
            p.yMax = Math.max(
                Math.max(o.w.document.body.scrollHeight, o.w.document.documentElement.scrollHeight),
                Math.max(o.w.document.body.offsetHeight, o.w.document.documentElement.offsetHeight),
                Math.max(o.w.document.body.clientHeight, o.w.document.documentElement.clientHeight)
            );
            return p.yMax;
        },
        init: function () {
            o.addEventListener("adonpage", function () {
                var p = o.scrollY;
                if (typeof o.w.addEventListener !== "undefined") {
                    o.w.addEventListener("scroll", p.submitScroll, true);
                } else {
                    o.w.attachEvent("onscroll", p.submitScroll);
                }
            });
            o.addEventListener("adready", function () {
                var p = o.scrollY;
                p.submitScroll();
            });
            o.addEventListener("start", function () {
                var p = o.scrollY;
                o.flashVar('yMax', p.getDocHeight());
            });
        }()
    };
})();

// window.parent - Anpassung für Media Impact und EMS
// Parses scrollValues to html5 via external interface updated version v4 - amended for MEDIA IMPACT
(function () {
    if (!o.macSaf()) {
        o.scrollY = {
            getScrollY: function () {
                var scrOfY = window.parent.pageYOffset || window.parent.document.body.scrollTop;
                return scrOfY;
            },
            submitScroll: function () {
                var p = o.scrollY,
                    scrollObject = {
                        yPos: p.getScrollY(),
                        yMax: p.getDocHeight()
                    };
                try {
                    o.dispatchToCreative('onScroll', scrollObject);
                } catch (e) {}
            },
            getDocHeight: function () {
                var p = o.scrollY;
                p.yMax = Math.max(
                    Math.max(window.parent.document.body.scrollHeight, window.parent.document.documentElement.scrollHeight),
                    Math.max(window.parent.document.body.offsetHeight, window.parent.document.documentElement.offsetHeight),
                    Math.max(window.parent.document.body.clientHeight, window.parent.document.documentElement.clientHeight)
                );
                return p.yMax;
            },
            init: function () {
                o.addEventListener("adonpage", function () {
                    var p = o.scrollY;
                    if (typeof window.parent.addEventListener !== "undefined") {
                        window.parent.addEventListener("scroll", p.submitScroll, true);
                    } else {
                        window.parent.attachEvent("onscroll", p.submitScroll);
                    }
                });
                o.addEventListener("adready", function () {
                    var p = o.scrollY;
                    p.submitScroll();
                });
                o.addEventListener("start", function () {
                    var p = o.scrollY;
                    o.flashVar('yMax', p.getDocHeight());
                });
            }()
        };
    }
})();

// Usage in Creative

myFT.on("onScroll", function(payload) {
	console.log(payload.yPos); //scroll position
	console.log(payload.yMax); // maximal scroll height
});