var silverlightControl;
var xmlDoc;
var forLocalUse;
var currentPlayingVid;
var vidTimelineID;
var objectFadingInID;
var objectFadingOutID;
var currentVidSource;
var vidInitialized = false;
var doDragTime = false;
var doDragVol = false;
var playerLoop;
var selectedMenuItem = 0;
var CCOn = false;
var MenuOn = false;
var _global = this;
var musicLoopInitialized = false;
var playlistXMLArray = new Array();
if (!window.Silverlight) {
    window.Silverlight = {};
}
if (!window.DemoPlayerEngine) {
    window.DemoPlayerEngine = {};
}
createSilverlight = function(sourceXAML, versionNumber) {
    var scene = new DemoPlayerEngine.Page();
    Silverlight.createObjectEx({ source: sourceXAML, parentElement: document.getElementById("SilverlightControlHost"), id: "SilverlightControl", properties: { width: "100%", height: "100%", version: versionNumber }, events: { onLoad: Silverlight.createDelegate(scene, scene.handleLoad)} });
};
Silverlight.createDelegate = function(instance, method) {
    return function() {
        return method.apply(instance, arguments);
    }
}
DemoPlayerEngine.Page = function() {
}
DemoPlayerEngine.Page.prototype = {
    handleLoad: function(control, userContext, rootElement) {
        silverlightControl = control;
        silverlightControl.content.findName("DemoPlayer").addEventListener("KeyUp", keyboardEvents);
        silverlightControl.content.onResize = onResized;
        silverlightControl.content.onFullScreenChange = onBodyResized;
        loadXMLDoc('DemoPlaylist.xml');
    }
}
loadXMLDoc = function() {
    if (location.protocol == "http:") {
        forLocalUse = false;
    } else {
        forLocalUse = true;
    }
    if (forLocalUse) {
        if (document.implementation && document.implementation.createDocument) {
            xmlDoc = document.implementation.createDocument('', '', null);
            xmlDoc.onload = compileXML;
        } else if (window.ActiveXObject) {
            xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
            xmlDoc.async = "false";
            xmlDoc.onreadystatechange = xmlLoadStatus;
        } else {
            alert('This browser does not support some or all the technology this page uses. Please use another browser.');
            return;
        }
        xmlDoc.load(xmlURL);
    } else {
        if (window.XMLHttpRequest && !(window.ActiveXObject)) {
            try {
                xmlDoc = new XMLHttpRequest();
            } catch (e) {
                xmlDoc = false;
            }
        } else if (window.ActiveXObject) {
            try {
                xmlDoc = new ActiveXObject('Msxml2.XMLHTTP');
            } catch (e) {
                try {
                    xmlDoc = new ActiveXObject('Microsoft.XMLHTTP');
                } catch (e) {
                    xmlDoc = false;
                }
            }
        }
        if (xmlDoc) {
            xmlDoc.onreadystatechange = xmlLoadStatus;
            xmlDoc.open('GET', xmlURL, true);
            xmlDoc.send('');
        }
    }
}
xmlLoadStatus = function() {
    if (xmlDoc.readyState == 4) {
        compileXML();
    }
}
compileXML = function() {
    var totalItems = 0;
    var ccItems = 0;
    if (forLocalUse) {
        for (var x = 0; x < xmlDoc.documentElement.childNodes.length; x++) {
            if (xmlDoc.documentElement.childNodes[x].nodeType == 1) {
                playlistXMLArray[totalItems] = new Array(3);
                playlistXMLArray[totalItems][0] = xmlDoc.documentElement.childNodes[x].getAttribute("name");
                playlistXMLArray[totalItems][1] = xmlDoc.documentElement.childNodes[x].getAttribute("src");
                playlistXMLArray[totalItems][2] = new Array();
                ccItems = 0;
                for (var c = 0; c < xmlDoc.documentElement.childNodes[x].childNodes.length; c++) {
                    if (xmlDoc.documentElement.childNodes[x].childNodes[c].nodeType == 1) {
                        playlistXMLArray[totalItems][2][ccItems] = new Array();
                        playlistXMLArray[totalItems][2][ccItems][0] = xmlDoc.documentElement.childNodes[x].childNodes[c].getAttribute("start");
                        playlistXMLArray[totalItems][2][ccItems][1] = xmlDoc.documentElement.childNodes[x].childNodes[c].firstChild.nodeValue;
                        ccItems++;
                    }
                }
                totalItems++;
            }
        }
    } else {
        for (var x = 0; x < xmlDoc.responseXML.documentElement.childNodes.length; x++) {
            if (xmlDoc.responseXML.documentElement.childNodes[x].nodeType == 1) {
                playlistXMLArray[totalItems] = new Array(3);
                playlistXMLArray[totalItems][0] = xmlDoc.responseXML.documentElement.childNodes[x].getAttribute("name");
                playlistXMLArray[totalItems][1] = xmlDoc.responseXML.documentElement.childNodes[x].getAttribute("src");
                playlistXMLArray[totalItems][2] = new Array();
                ccItems = 0;
                for (var c = 0; c < xmlDoc.responseXML.documentElement.childNodes[x].childNodes.length; c++) {
                    if (xmlDoc.responseXML.documentElement.childNodes[x].childNodes[c].nodeType == 1) {
                        playlistXMLArray[totalItems][2][ccItems] = new Array();
                        playlistXMLArray[totalItems][2][ccItems][0] = xmlDoc.responseXML.documentElement.childNodes[x].childNodes[c].getAttribute("start");
                        playlistXMLArray[totalItems][2][ccItems][1] = xmlDoc.responseXML.documentElement.childNodes[x].childNodes[c].firstChild.nodeValue;
                        ccItems++;
                    }
                }
                totalItems++;
            }
        }
    }
    if (musicLoopURL != null && musicLoopURL != "" && silverlightControl.content.findName("MusicLoop")) {
        silverlightControl.content.findName("MusicLoop").Source = musicLoopURL;
    }
    musicLoopInitialized = true;
    startSilverlightDemo();
}
startSilverlightDemo = function() {
    currentPlayingVid = 0;
    clearInterval(vidTimelineID);
    vidTimelineID = setInterval(vidTimeline, 1);
    setVolumeManual(.5);
    unmuteAll();
    unmuteMusic();
    //createDemoNavigation();
    startVid(currentPlayingVid);

    //show the hover state for the first video
    //	var sender = silverlightControl.content.findName("Item1");
    //	turnOnHover(sender);
}
createDemoNavigation = function() {
    if (silverlightControl.content.findName("NavigationWindow")) {
        var w = Math.round(silverlightControl.content.findName("NavigationWindow").Width / playlistXMLArray.length);
        var h = Math.round(silverlightControl.content.findName("NavigationWindow").Height / playlistXMLArray.length);
        for (var x = 0; x < playlistXMLArray.length; x++) {
            var txt = playlistXMLArray[x][0];
            var xamlString = eval(navigationButtonXAML);
            xamlAdd = silverlightControl.content.createFromXaml(xamlString);
            silverlightControl.content.findName("NavigationWindow").children.insert(x, xamlAdd);
            setFont("NavigationTxt" + x, txt, navigationButtonTextAlignment);
        }
    }
}
demoNavigationReturnID = function(sender) {
    var senderName = sender.name;
    var buttonID = senderName.replace(/NavigationButton/, "");
    return buttonID;
}
demoNavigationClick = function(sender, mouseEventArgs) {
    alert(sender.name);
    startVid(demoNavigationReturnID(sender));
}
demoNavigationRollOver = function(sender, mouseEventArgs) {
    if (currentPlayingVid != demoNavigationReturnID(sender)) {
        rollOver(sender, mouseEventArgs);
    }
}
demoNavigationRollOut = function(sender, mouseEventArgs) {
    if (currentPlayingVid != demoNavigationReturnID(sender)) {
        rollOut(sender, mouseEventArgs);
    }
}
onBodyResized = function() {
    var w = document.body.clientWidth;
    var h = document.body.clientHeight;
    var silverlightObj = document.getElementById('SilverlightControlHost');
    silverlightObj.style.minWidth = silverlightObjWidth + 'px';
    silverlightObj.style.minHeight = silverlightObjHeight + 'px';
    if (w < (silverlightObjWidth)) {
        silverlightObj.style.width = silverlightObjWidth + 'px';
    } else {
        silverlightObj.style.width = "100%";
    }
    if (h < (silverlightObjHeight)) {
        silverlightObj.style.height = silverlightObjHeight + 'px';
    } else {
        silverlightObj.style.height = "100%";
    }
    updateLayoutSize(silverlightControl.content.actualWidth, silverlightControl.content.actualHeight);
}
onResized = function(sender, eventArgs) {
    var silverlightObj = document.getElementById('SilverlightControlHost');
    var w = silverlightObj.style.width;
    var h = silverlightObj.style.height;
    if (w.indexOf('px') != -1) {
        w = w.slice(0, -2);
    }
    if (h.indexOf('px') != -1) {
        h = h.slice(0, -2);
    }
    if (w == "100%") {
        w = document.body.clientWidth;
    }
    if (h == "100%") {
        h = document.body.clientHeight;
    }
    updateLayoutSize(w, h);
}
updateLayoutSize = function(w, h) {
    silverlightControl.content.findName('DemoPlayer').Width = w;
    silverlightControl.content.findName('DemoPlayer').Height = h;
    silverlightControl.content.findName('Main')['Canvas.Left'] = Math.round((w - (silverlightObjWidth)) / 2);
    silverlightControl.content.findName('Main')['Canvas.Top'] = Math.round((h - (silverlightObjHeight)) / 2);
    if (silverlightControl.content.findName('DemoBackground')) {
        silverlightControl.content.findName('DemoBackground').Width = w;
        silverlightControl.content.findName('DemoBackground').Height = h;
    }
}
startVid = function(vid) {
    selectedMenuItem = vid + 1;
    if (vid == 0) {
        rollOver(silverlightControl.content.findName("Nav1"));
        rollOut(silverlightControl.content.findName("Nav2"));
        rollOut(silverlightControl.content.findName("Nav3"));
        rollOut(silverlightControl.content.findName("Nav4"));
        rollOut(silverlightControl.content.findName("Nav5"));
        turnOnHover(silverlightControl.content.findName("Nav1"));
    }
    else if (vid == 1) {
        rollOut(silverlightControl.content.findName("Nav1"));
        rollOver(silverlightControl.content.findName("Nav2"));
        rollOut(silverlightControl.content.findName("Nav3"));
        rollOut(silverlightControl.content.findName("Nav4"));
        rollOut(silverlightControl.content.findName("Nav5"));
        turnOnHover(silverlightControl.content.findName("Nav2"));
    }
    else if (vid == 2) {
        rollOver(silverlightControl.content.findName("Nav3"));
        rollOut(silverlightControl.content.findName("Nav1"));
        rollOut(silverlightControl.content.findName("Nav2"));
        rollOut(silverlightControl.content.findName("Nav4"));
        rollOut(silverlightControl.content.findName("Nav5"));
        turnOnHover(silverlightControl.content.findName("Nav3"));
    }
    else if (vid == 3) {
        rollOut(silverlightControl.content.findName("Nav1"));
        rollOut(silverlightControl.content.findName("Nav2"));
        rollOut(silverlightControl.content.findName("Nav3"));
        rollOver(silverlightControl.content.findName("Nav4"));
        rollOut(silverlightControl.content.findName("Nav5"));
        turnOnHover(silverlightControl.content.findName("Nav4"));
    }
    else if (vid == 3) {
        rollOut(silverlightControl.content.findName("Nav1"));
        rollOut(silverlightControl.content.findName("Nav2"));
        rollOut(silverlightControl.content.findName("Nav3"));
        rollOut(silverlightControl.content.findName("Nav4"));
        rollOver(silverlightControl.content.findName("Nav5"));
        turnOnHover(silverlightControl.content.findName("Nav5"));
    }

    vidInitialized = true;
    if (silverlightControl.content.findName("PlayerEndButton")) {
        silverlightControl.content.findName("PlayerEndButton").Visibility = "Collapsed";
    }
    clearInterval(window["NavigationButton" + vid + "Roll"]);
    currentPlayingVid = vid;
    if (silverlightControl.content.findName("NavigationWindow")) {
        for (var x = 0; x < playlistXMLArray.length; x++) {
            //silverlightControl.content.findName("NavigationButton" + x + "Roll").Opacity = 0;
        }
        //silverlightControl.content.findName("NavigationButton" + vid + "Roll").Opacity = 1;
    }
    var vidSource = playlistXMLArray[vid][1];
    if (vidSource != null && vidSource != "") {
        currentVidSource = vidSource;
        silverlightControl.content.findName("PlayerWindow").Source = vidSource;
        vidPlay();
    }
}
prevVid = function() {
    if (currentPlayingVid != 0) {
        currentPlayingVid--;
        startVid(currentPlayingVid);
    }
}
nextVid = function() {
    if (currentPlayingVid < playlistXMLArray.length - 1) {
        currentPlayingVid++;
        startVid(currentPlayingVid);
    }
}
vidPlay = function() {
    silverlightControl.content.findName("PlayerWindow").play();
    if (silverlightControl.content.findName("MusicLoop")) {
        silverlightControl.content.findName("MusicLoop").play();
    }
    if (silverlightControl.content.findName("PauseButton")) {
        silverlightControl.content.findName("PauseButton").Visibility = "Visible";
    }
    if (silverlightControl.content.findName("PauseIcon")) {
        silverlightControl.content.findName("PauseIcon").Visibility = "Visible";
    }
    if (silverlightControl.content.findName("PlayButton")) {
        silverlightControl.content.findName("PlayButton").Visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("PlayIcon")) {
        silverlightControl.content.findName("PlayIcon").Visibility = "Collapsed";
    }
}
vidPause = function() {
    silverlightControl.content.findName("PlayerWindow").pause();
    if (silverlightControl.content.findName("MusicLoop")) {
        silverlightControl.content.findName("MusicLoop").pause();
    }
    if (silverlightControl.content.findName("PauseButton")) {
        silverlightControl.content.findName("PauseButton").Visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("PauseIcon")) {
        silverlightControl.content.findName("PauseIcon").Visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("PlayButton")) {
        silverlightControl.content.findName("PlayButton").Visibility = "Visible";
    }
    if (silverlightControl.content.findName("PlayIcon")) {
        silverlightControl.content.findName("PlayIcon").Visibility = "Visible";
    }
}
vidEnd = function() {
    if (vidInitialized) {
        if (currentPlayingVid == playlistXMLArray.length - 1) {
            if (playerLoop == true) {
                startVid(0);
            } else {
                if (silverlightControl.content.findName("PlayerEndButton")) {
                    silverlightControl.content.findName("PlayerEndButton").Visibility = "Visible";
                }
            }
        } else {
            nextVid();
        }
    }
}
vidTimeline = function() {
    var p = silverlightControl.content.findName("PlayerWindow").position.seconds;
    if (doDragTime == false && silverlightControl.content.findName("TimeIndicatorEmpty")) {
        var d = silverlightControl.content.findName("PlayerWindow").naturalDuration.seconds;
        var w = silverlightControl.content.findName("TimeIndicatorEmpty").Width - silverlightControl.content.findName("TimeSliderGripper").Width;
        if (d != 0 && p < d) {
            silverlightControl.content.findName("TimeSliderGripper")["Canvas.Left"] = ((p * w) / d) + (silverlightControl.content.findName("TimeIndicatorEmpty")["Canvas.Left"]);
            silverlightControl.content.findName("TimeIndicatorFull").Width = ((p * w) / d);
        }
    }
    for (var cc = 0; cc < playlistXMLArray[currentPlayingVid][2].length; cc++) {
        var syncStart = playlistXMLArray[currentPlayingVid][2][cc][0];
        if (syncStart <= p) {
            var passTxt = playlistXMLArray[currentPlayingVid][2][cc][1];
            setFont("CCText", passTxt, "center");
        }
    }
    if (silverlightControl.content.findName("PlayerCurrentTime")) {
        silverlightControl.content.findName("PlayerCurrentTime").Text = returnTimeMinutes(p) + ":" + returnTimeSeconds(p);
    }
    if (silverlightControl.content.findName("PlayerTotalTime")) {
        silverlightControl.content.findName("PlayerTotalTime").Text = returnTimeMinutes(d) + ":" + returnTimeSeconds(d);
    }
}
returnTimeMinutes = function(t) {
    var timeString = String(Math.floor((t / 60)) % 60);
    var formattedTime = formatTimeString(timeString);
    return formattedTime;
}
returnTimeSeconds = function(t) {
    var timeString = String(Math.floor(t) % 60);
    var formattedTime = formatTimeString(timeString);
    return formattedTime;
}
formatTimeString = function(t) {
    if (t == "NaN") {
        t = "0";
    }
    if (t.length < 2) {
        t = "0" + t;
    }
    return t;
}
musicLoopRepeat = function(sender, args) {
    if (musicLoopInitialized == true) {
        var pos = sender.position;
        pos.seconds = 0;
        sender.position = pos;
        sender.play();
    }
}
muteMusic = function() {
    //silverlightControl.content.findName("PlayerWindow").IsMuted = "True";
    if (silverlightControl.content.findName("MusicLoop")) {
        silverlightControl.content.findName("MusicLoop").IsMuted = "True";
    }
    if (silverlightControl.content.findName("MusicMuteIcon")) {
        silverlightControl.content.findName("MusicMuteIcon").visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("MusicMuteButton")) {
        silverlightControl.content.findName("MusicMuteButton").visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("MusicUnmuteIcon")) {
        silverlightControl.content.findName("MusicUnmuteIcon").visibility = "Visible";
    }
    if (silverlightControl.content.findName("MusicUnmuteButton")) {
        silverlightControl.content.findName("MusicUnmuteButton").visibility = "Visible";
    }

}
unmuteMusic = function() {
    //silverlightControl.content.findName("PlayerWindow").IsMuted = "False";
    //this only plays music when mute all is not selected
    if (silverlightControl.content.findName("MuteButton")) {
        if (silverlightControl.content.findName("MuteButton").visibility == "Visible") {
            if (silverlightControl.content.findName("MusicLoop")) {
                silverlightControl.content.findName("MusicLoop").IsMuted = "False";
            }
        }
    }

    /*if (silverlightControl.content.findName("MusicLoop")) {
    silverlightControl.content.findName("MusicLoop").IsMuted = "False";
    }*/
    if (silverlightControl.content.findName("MusicMuteIcon")) {
        silverlightControl.content.findName("MusicMuteIcon").visibility = "Visible";
    }
    if (silverlightControl.content.findName("MusicMuteButton")) {
        silverlightControl.content.findName("MusicMuteButton").visibility = "Visible";
    }
    if (silverlightControl.content.findName("MusicUnmuteIcon")) {
        silverlightControl.content.findName("MusicUnmuteIcon").visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("MusicUnmuteButton")) {
        silverlightControl.content.findName("MusicUnmuteButton").visibility = "Collapsed";
    }
}
muteAll = function() {
    silverlightControl.content.findName("PlayerWindow").IsMuted = "True";

    if (silverlightControl.content.findName("MusicLoop")) {
        silverlightControl.content.findName("MusicLoop").IsMuted = "True";
    }
    if (silverlightControl.content.findName("MuteIcon")) {
        silverlightControl.content.findName("MuteIcon").visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("MuteButton")) {
        silverlightControl.content.findName("MuteButton").visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("UnmuteIcon")) {
        silverlightControl.content.findName("UnmuteIcon").visibility = "Visible";
    }
    if (silverlightControl.content.findName("UnmuteButton")) {
        silverlightControl.content.findName("UnmuteButton").visibility = "Visible";
    }
}
unmuteAll = function() {
    silverlightControl.content.findName("PlayerWindow").IsMuted = "False";
    //this keeps the music muted if the user clicked this prior to muting everything
    if (silverlightControl.content.findName("MusicUnmuteButton")) {
        if (silverlightControl.content.findName("MusicUnmuteButton").visibility == "Visible") {
            if (silverlightControl.content.findName("MusicUnmuteLoop")) {
                silverlightControl.content.findName("MusicUnmuteLoop").IsMuted = "True";

            }
        }
        else {
            if (silverlightControl.content.findName("MusicLoop")) {
                silverlightControl.content.findName("MusicLoop").IsMuted = "False";
            }
        }
    }
    else {
        if (silverlightControl.content.findName("MusicLoop")) {
            silverlightControl.content.findName("MusicLoop").IsMuted = "False";
        }
    }
    /*if (silverlightControl.content.findName("MusicLoop")) {
    silverlightControl.content.findName("MusicLoop").IsMuted = "False";
    }*/
    if (silverlightControl.content.findName("MuteIcon")) {
        silverlightControl.content.findName("MuteIcon").visibility = "Visible";
    }
    if (silverlightControl.content.findName("MuteButton")) {
        silverlightControl.content.findName("MuteButton").visibility = "Visible";
    }
    if (silverlightControl.content.findName("UnmuteIcon")) {
        silverlightControl.content.findName("UnmuteIcon").visibility = "Collapsed";
    }
    if (silverlightControl.content.findName("UnmuteButton")) {
        silverlightControl.content.findName("UnmuteButton").visibility = "Collapsed";
    }
}
setVolumeUp = function() {
    var v = silverlightControl.content.findName("PlayerWindow").Volume;
    v += .1;
    if (v > 1) {
        v = 1;
    }
    setVolumeManual(v);
}
setVolumeDown = function() {
    var v = silverlightControl.content.findName("PlayerWindow").Volume;
    v -= .1;
    if (v < 0) {
        v = 0;
    }
    setVolumeManual(v);
}
setVolumeManual = function(v) {
    silverlightControl.content.findName("PlayerWindow").Volume = v;
    if (silverlightControl.content.findName("MusicLoop")) {
        silverlightControl.content.findName("MusicLoop").Volume = (v) * musicLoopVolumeMultiplier;
    }
    if (silverlightControl.content.findName("VolumeIndicatorEmpty")) {
        var posSet = (((silverlightControl.content.findName("VolumeIndicatorEmpty").Width - silverlightControl.content.findName("VolumeSliderGripper").Width) * v) / 1);
        silverlightControl.content.findName("VolumeSliderGripper")["Canvas.Left"] = posSet + silverlightControl.content.findName("VolumeIndicatorEmpty")["Canvas.Left"]
        silverlightControl.content.findName("VolumeIndicatorFull").Width = posSet;
    }
};
setFont = function(textElement, txt, align) {
    if (silverlightControl.content.findName(textElement)) {
        silverlightControl.content.findName(textElement).Text = txt;
        var w = silverlightControl.content.findName(textElement).actualWidth;
        if (align == "right") {
            silverlightControl.content.findName(textElement)["Canvas.Left"] = silverlightControl.content.findName(textElement).width - w;
        } else if (align == "center") {
            silverlightControl.content.findName(textElement)["Canvas.Left"] = (silverlightControl.content.findName(textElement).width - w) / 2;
        }
    }
}
keyboardEvents = function(sender, keyEventArgs) {
    if (keyEventArgs.key == 64) {
        silverlightControl.content.fullScreen = !silverlightControl.content.fullScreen;
    }
}
clickEvents = function(sender, mouseEventArgs) {
    if (sender.name == "PrevButton") {
        prevVid();
    }
    else if (sender.name == "PlayAll") {
        startVid(0);
        MenuOn = false;
        silverlightControl.content.findName("Nav_Hide").begin();
    }
    else if (sender.name == "NextButton") {
        nextVid();
    } else if (sender.name == "PlayButton") {
        vidPlay();
    } else if (sender.name == "PauseButton") {
        vidPause();
    } else if (sender.name == "TimeSliderButton") {
        doDragTime = false;
    } else if (sender.name == "VolumeSliderButton") {
        doDragVol = false;
    } else if (sender.name == "MuteButton") {
        muteAll();
    } else if (sender.name == "UnmuteButton") {
        unmuteAll();
    } else if (sender.name == "MusicMuteButton") {
        muteMusic();
    } else if (sender.name == "MusicUnmuteButton") {
        unmuteMusic();
    } else if (sender.name == "CCButton") {
        if (CCOn == false) {
            CCOn = true;
            silverlightControl.content.findName("TIMELINE_ShowCC").begin();
        } else {
            CCOn = false;
            silverlightControl.content.findName("TIMELINE_HideCC").begin();
        }
    } else if (sender.name == "MenuButton") {
        if (MenuOn == false) {
            MenuOn = true;
            silverlightControl.content.findName("Nav_Show").begin();
        } else {
            MenuOn = false;
            silverlightControl.content.findName("Nav_Hide").begin();
        }
    } else if (sender.name == "ToggleFullScreenButton") {
        silverlightControl.content.fullScreen = !silverlightControl.content.fullScreen;
    } else if (sender.name == "ToggleOnLoopPlaybackButton") {
        setLoop(true);
    } else if (sender.name == "ToggleOffLoopPlaybackButton") {
        setLoop(false);
    } else if (sender.name == "VolumeUpButton") {
        setVolumeUp();
    } else if (sender.name == "VolumeDownButton") {
        setVolumeDown();
    } else if (sender.name == "Nav1") {
        startVid(0);
        MenuOn = false;
        silverlightControl.content.findName("Nav_Hide").begin();
    } else if (sender.name == "Nav2") {
        startVid(1);
        MenuOn = false;
        silverlightControl.content.findName("Nav_Hide").begin();
    }
    else if (sender.name == "Nav3") {
        startVid(2);
        MenuOn = false;
        silverlightControl.content.findName("Nav_Hide").begin();
    }
    else if (sender.name == "Nav4") {
        startVid(3);
        MenuOn = false;
        silverlightControl.content.findName("Nav_Hide").begin();
    }
    else if (sender.name == "Nav5") {
        startVid(4);
        MenuOn = false;
        silverlightControl.content.findName("Nav_Hide").begin();
    }
}
setLoop = function(looping) {
    if (looping == true) {
        if (silverlightControl.content.findName("ToggleOnLoopPlaybackButton")) {
            silverlightControl.content.findName("ToggleOnLoopPlaybackButton").Visibility = "Collapsed";
        }
        if (silverlightControl.content.findName("ToggleOnLoopPlaybackIcon")) {
            silverlightControl.content.findName("ToggleOnLoopPlaybackIcon").Visibility = "Collapsed";
        }
        if (silverlightControl.content.findName("ToggleOffLoopPlaybackButton")) {
            silverlightControl.content.findName("ToggleOffLoopPlaybackButton").Visibility = "Visible";
        }
        if (silverlightControl.content.findName("ToggleOffLoopPlaybackIcon")) {
            silverlightControl.content.findName("ToggleOffLoopPlaybackIcon").Visibility = "Visible";
        }
        playerLoop = true;
    } else {
        if (silverlightControl.content.findName("ToggleOnLoopPlaybackButton")) {
            silverlightControl.content.findName("ToggleOnLoopPlaybackButton").Visibility = "Visible";
        }
        if (silverlightControl.content.findName("ToggleOnLoopPlaybackIcon")) {
            silverlightControl.content.findName("ToggleOnLoopPlaybackIcon").Visibility = "Visible";
        }
        if (silverlightControl.content.findName("ToggleOffLoopPlaybackButton")) {
            silverlightControl.content.findName("ToggleOffLoopPlaybackButton").Visibility = "Collapsed";
        }
        if (silverlightControl.content.findName("ToggleOffLoopPlaybackIcon")) {
            silverlightControl.content.findName("ToggleOffLoopPlaybackIcon").Visibility = "Collapsed";
        }
        playerLoop = false;
    }
}
rollOver = function(sender, mouseEventArgs) {

if (!((sender.name == "Nav1" && selectedMenuItem == 1) || (sender.name == "Nav2" && selectedMenuItem == 2) || (sender.name == "Nav3" && selectedMenuItem == 3) || (sender.name == "Nav4" && selectedMenuItem == 4) || (sender.name == "Nav5" && selectedMenuItem == 5))) {
        clearInterval(window[sender.name + "Roll"]);
        turnOnHover(sender);
    }
}
turnOnHover = function(sender) {

if (silverlightControl.content.findName(sender + "_On") != null) {
    alert("turnOnHover");
        silverlightControl.content.findName(sender + "_On").Begin();

    }
    else {
              window[sender.name + "Roll"] = setInterval(function() {
                  silverlightControl.content.findName(sender.name + "Roll").Opacity += 0.05;
                    if (silverlightControl.content.findName(sender.name + "Roll").Opacity >= 1) {
                        silverlightControl.content.findName(sender.name + "Roll").Opacity = 1;
                        clearInterval(window[sender.name + "Roll"]);
                    }
                }, 1);
    }
}

turnOffHover = function(sender) {
    clearInterval(window[sender.name + "Roll"]);
    window[sender.name + "Roll"] = setInterval(function() {
        silverlightControl.content.findName(sender.name + "Roll").Opacity += -(0.01);
        if (silverlightControl.content.findName(sender.name + "Roll").Opacity <= 0) {
            silverlightControl.content.findName(sender.name + "Roll").Opacity = 0;
            clearInterval(window[sender.name + "Roll"]);
        }
    }, 1);
}

rollOut = function(sender, mouseEventArgs) {
if (!((sender.name == "Nav1" && selectedMenuItem == 1) || (sender.name == "Nav2" && selectedMenuItem == 2) || (sender.name == "Nav3" && selectedMenuItem == 3) || (sender.name == "Nav4" && selectedMenuItem == 4) || (sender.name == "Nav5" && selectedMenuItem == 5))) {
        turnOffHover(sender);
        clearInterval(window[sender.name + "Roll"]);
        window[sender.name + "Roll"] = setInterval(function() {
            silverlightControl.content.findName(sender.name + "Roll").Opacity += -(0.01);
            if (silverlightControl.content.findName(sender.name + "Roll").Opacity <= 0) {
                silverlightControl.content.findName(sender.name + "Roll").Opacity = 0;
                clearInterval(window[sender.name + "Roll"]);
            }
        }, 1);
    }
}
leaveEvents = function(sender, mouseEventArgs) {
    if (sender.name == "TimeSliderButton") {
        doDragTime = false;
    } else if (sender.name == "VolumeSliderButton") {
        doDragVol = false;
    }
    rollOut(sender, mouseEventArgs);
}
outEvents = function(sender, mouseEventArgs) {
    if (sender.name == "TimeSliderButton") {
        doDragTime = false;
    } else if (sender.name == "VolumeSliderButton") {
        doDragVol = false;
    }
    rollOut(sender, mouseEventArgs);
}
pressEvents = function(sender, mouseEventArgs) {
    if (sender.name == "TimeSliderButton") {
        doDragTime = true;
    } else if (sender.name == "VolumeSliderButton") {
        doDragVol = true;
    }
}
dragEvents = function(sender, mouseEventArgs) {
    if (sender.name == "TimeSliderButton" && doDragTime == true) {
        var coordinate = mouseEventArgs.getPosition(sender).x;
        var d = silverlightControl.content.findName("PlayerWindow").naturalDuration.seconds;
        var w = silverlightControl.content.findName("TimeIndicatorEmpty").Width - silverlightControl.content.findName("TimeSliderGripper").Width;
        if (d != 0) {
            var dragPos = coordinate + (silverlightControl.content.findName("TimeIndicatorEmpty")["Canvas.Left"]);
            if (dragPos <= (w + (silverlightControl.content.findName("TimeIndicatorEmpty")["Canvas.Left"]))) {
                silverlightControl.content.findName("TimeSliderGripper")["Canvas.Left"] = dragPos;
                silverlightControl.content.findName("TimeIndicatorFull").Width = coordinate;
                var seconds = ((d * coordinate) / w);
                var pos = silverlightControl.content.findName("PlayerWindow").position;
                pos.seconds = seconds;
                silverlightControl.content.findName("PlayerWindow").position = pos;
            }
        }
    } else if (sender.name == "VolumeSliderButton" && doDragVol == true) {
        var coordinate = mouseEventArgs.getPosition(sender).x + silverlightControl.content.findName("VolumeSliderButton")["Canvas.Left"];
        var dragVolLeftStart = silverlightControl.content.findName("VolumeIndicatorEmpty")["Canvas.Left"];
        var dragVolLeftEnd = silverlightControl.content.findName("VolumeIndicatorEmpty")["Canvas.Left"] + silverlightControl.content.findName("VolumeIndicatorEmpty").Width;
        if (coordinate >= dragVolLeftStart && coordinate <= dragVolLeftEnd) {
            var v = Math.round(((coordinate - dragVolLeftStart) * 100) / silverlightControl.content.findName("VolumeIndicatorEmpty").Width);
            setVolumeManual((v / 100));
        }
    }
}
retrySourceMediaElement = function(sender, eventArgs) {
    var pos = sender.position;
    sender.Source = currentVidSource;
    sender.position = pos;
}
endURL = function() {
    open(actionURL, "_blank");
}