function RegisterNamespaces() {
    for (var i = 0; i < arguments.length; i++) {
        var splitNS = arguments[i].split("."),
        root = window;
        for (var j = 0; j < splitNS.length; j++) {
            var s = splitNS[j];
            if (!root[s]) root[s] = function() {};
            root = root[s]
        }
        if (!root._Private) {
            root._Private = function() {};
            root.Error = function() {}
        }
    }
}
RegisterNamespaces("Msn.Browser", "Msn.Debug.Performance");
Msn.Browser.IsMozilla = function() {
    return typeof document.implementation != "undefined" && typeof document.implementation.createDocument != "undefined" && typeof HTMLDocument != "undefined"
};
Msn.Browser.AttachMozillaCompatibility = function(w) {
    function EstablishMode() {
        var el = w.document.getElementsByName("msn-moz-custom");
        if (el.length > 0) Msn.Browser.MozillaCompatMode = el[0].getAttribute("content").toLowerCase() == "enabled";
        else Msn.Browser.MozillaCompatMode = false
    }
    EstablishMode();
    function GenWindowEvent(e) {
        window.event = e
    }
    function Map(el, mozillaType, callback) {
        mozillaType = mozillaType.slice(2);
        if (mozillaType != "mouseenter" && mozillaType != "mouseleave") el.addEventListener(mozillaType, GenWindowEvent, true);
        else {
            el.addEventListener("mouseover", GenWindowEvent, true);
            el.addEventListener("mouseout", GenWindowEvent, true);
            el.addEventListener("mouseover", CheckEnter, false);
            el.addEventListener("mouseout", CheckLeave, false)
        }
        el.addEventListener(mozillaType, callback, false)
    }
    function CheckEnter() {
        if (!this.contains(event.fromElement)) {
            event.initEvent("mouseenter", false, false);
            this.dispatchEvent(event)
        }
    }
    function CheckLeave() {
        if (!this.contains(event.toElement)) {
            event.initEvent("mouseleave", false, false);
            this.dispatchEvent(event)
        }
    }
    function RemoveMap(el, mozillaType, callback) {
        el.removeEventListener(mozillaType.slice(2), callback, false)
    }
    function GetNonTextNode(n) {
        try {
            while (n && n.nodeType != 1) n = n.parentNode
        } catch(ex) {
            n = null
        }
        return n
    }
    w.attachEvent = w.HTMLDocument.prototype.attachEvent = w.HTMLElement.prototype.attachEvent = function(type, callback) {
        Map(this, type, callback)
    };
    w.detachEvent = w.HTMLDocument.prototype.detachEvent = w.HTMLElement.prototype.detachEvent = function(type, callback) {
        RemoveMap(this, type, callback)
    };
    w.HTMLElement.prototype.__defineGetter__("parentElement",
    function() {
        return GetNonTextNode(this.parentNode)
    });
    w.HTMLElement.prototype.__defineGetter__("innerText",
    function() {
        return this.textContent
    });
    w.HTMLElement.prototype.__defineSetter__("innerText",
    function(v) {
        var n = document.createTextNode(v);
        this.innerHTML = "";
        this.appendChild(n)
    });
    w.Event.prototype.__defineGetter__("srcElement",
    function() {
        var n = GetNonTextNode(this.target);
        return n
    });
    w.Event.prototype.__defineSetter__("cancelBubble",
    function(v) {
        if (v) this.stopPropagation()
    });
    function QuickLoc(el) {
        var c = {
            x: 0,
            y: 0
        };
        while (el) {
            c.x += el.offsetLeft;
            c.y += el.offsetTop;
            el = el.offsetParent
        }
        return c
    }
    w.Event.prototype.__defineGetter__("offsetX",
    function() {
        return window.pageXOffset + this.clientX - QuickLoc(this.srcElement).x
    });
    w.Event.prototype.__defineGetter__("offsetY",
    function() {
        return window.pageYOffset + this.clientY - QuickLoc(this.srcElement).y
    });
    w.Event.prototype.__defineSetter__("returnValue",
    function(v) {
        if (!v) this.preventDefault();
        this.cancelDefault = v;
        return v
    });
    w.Event.prototype.__defineGetter__("returnValue",
    function() {
        return this.cancelDefault
    });
    w.Event.prototype.__defineGetter__("fromElement",
    function() {
        var n;
        if (this.type == "mouseover") n = this.relatedTarget;
        else if (this.type == "mouseout") n = this.target;
        return GetNonTextNode(n)
    });
    w.Event.prototype.__defineGetter__("toElement",
    function() {
        var n;
        if (this.type == "mouseout") n = this.relatedTarget;
        else if (this.type == "mouseover") n = this.target;
        return GetNonTextNode(n)
    });
    w.Event.prototype.__defineGetter__("button",
    function() {
        return this.which == 1 ? 1 : this.which == 2 ? 4 : 2
    })
};
if (Msn.Browser.IsMozilla()) Msn.Browser.AttachMozillaCompatibility(self)