function CMenu() {
    var _oBg;
    var _oLogo;
    var _oButPlay;
    var _oFade;
    var _oAudioToggle;
    var _oButInfo;
    var _oButFullscreen;
    var _fRequestFullScreen = null;
    var _fCancelFullScreen = null;

    var _pStartPosAudio;
    var _pStartPosInfo;
    var _pStartPosFullscreen;
    
    //Idnet Variables
    var _loginText;
    var _textGroup;
    
    var _oLeaderboardBtn;
    var _pLeaderboardBtn;

    this._init = function () {
        _oBg = createBitmap(s_oSpriteLibrary.getSprite('bg_menu'));
        s_oStage.addChild(_oBg);

        _oLogo = createBitmap(s_oSpriteLibrary.getSprite('logo_menu'));
        _oLogo.x = 200;
        _oLogo.y = 90;
        s_oStage.addChild(_oLogo);

        var oSprite = s_oSpriteLibrary.getSprite('but_play');
        _oButPlay = new CGfxButton((CANVAS_WIDTH / 2), CANVAS_HEIGHT - 225, oSprite);
        _oButPlay.addEventListener(ON_MOUSE_UP, this._onButPlayRelease, this);
        
        s_oMain.createY8Logo("g_menulogo", 320, CANVAS_HEIGHT-60)
        
        var oSprite = s_oSpriteLibrary.getSprite('but_leaderboard');
        _pLeaderboardBtn = {x: CANVAS_WIDTH - (oSprite.height+oSprite.height/2) - 20, y: (oSprite.height/2) + 10};            
       _oLeaderboardBtn = new CGfxButton(_pLeaderboardBtn.x,_pLeaderboardBtn.y,oSprite,s_oStage);
       _oLeaderboardBtn.addEventListener(ON_MOUSE_UP, this._showLeaderboard, this);


        if (DISABLE_SOUND_MOBILE === false || s_bMobile === false) {
            var oSprite = s_oSpriteLibrary.getSprite('audio_icon');
            _pStartPosAudio = {x: CANVAS_WIDTH - (oSprite.height / 2) - 10, y: (oSprite.height / 2) + 10};
            _oAudioToggle = new CToggle(_pStartPosAudio.x, _pStartPosAudio.y, oSprite, s_bAudioActive);
            _oAudioToggle.addEventListener(ON_MOUSE_UP, this._onAudioToggle, this);
        }

        var oSprite = s_oSpriteLibrary.getSprite('but_credits');
        _pStartPosInfo = {x: (oSprite.height / 2) + 10, y: (oSprite.height / 2) + 10};
        _oButInfo = new CGfxButton(_pStartPosInfo.x, _pStartPosInfo.y, oSprite, s_oStage);
        _oButInfo.addEventListener(ON_MOUSE_UP, this._onCredits, this);
        
        var doc = window.document;
        var docEl = doc.documentElement;
        _fRequestFullScreen = docEl.requestFullscreen || docEl.mozRequestFullScreen || docEl.webkitRequestFullScreen || docEl.msRequestFullscreen;
        _fCancelFullScreen = doc.exitFullscreen || doc.mozCancelFullScreen || doc.webkitExitFullscreen || doc.msExitFullscreen;
        
        if(ENABLE_FULLSCREEN === false){
            _fRequestFullScreen = false;
        }
        
        if (_fRequestFullScreen && inIframe() === false){
            oSprite = s_oSpriteLibrary.getSprite('but_fullscreen');
            _pStartPosFullscreen = {x:_pStartPosInfo.x + oSprite.width/2 + 10,y:_pStartPosInfo.y+40};

            _oButFullscreen = new CToggle(_pStartPosFullscreen.x,_pStartPosFullscreen.y,oSprite,s_bFullscreen,s_oStage);
            _oButFullscreen.addEventListener(ON_MOUSE_UP, this._onFullscreenRelease, this);
        }
        
        _loginText = new createjs.Text("","bold 20px "+FONT, "#FFFFFF");
        _loginText.shadow = new createjs.Shadow("#000000", 3, 3, 3);
        _loginText.x =  CANVAS_WIDTH/2;
        _loginText.y =  CANVAS_HEIGHT/2-420;
        _loginText.textBaseline = "alphabetic";
        _loginText.lineWidth = 500;
        _loginText.text = "Welcome Guest";
        _loginText.textAlign = 'right';
        _textGroup = new createjs.Container();
        _textGroup.alpha = 1;
        _textGroup.visible=true;        
        _textGroup.addChild(_loginText);
        s_oStage.addChild(_textGroup);
        
        _oFade = new createjs.Shape();
        _oFade.graphics.beginFill("black").drawRect(0, 0, CANVAS_WIDTH, CANVAS_HEIGHT);

        s_oStage.addChild(_oFade);

        createjs.Tween.get(_oFade).to({alpha: 0}, 1000).call(function () {
            _oFade.visible = false;
        });

        this.refreshButtonPos(s_iOffsetX, s_iOffsetY);

    };

    this.unload = function () {
        _oButPlay.unload();
        _oButPlay = null;
        _oFade.visible = false;
        _oButInfo.unload();
        _oLeaderboardBtn.unload()
        _oLeaderboardBtn = null;
         s_oMain.removeY8Logo()

        if (DISABLE_SOUND_MOBILE === false || s_bMobile === false) {
            _oAudioToggle.unload();
            _oAudioToggle = null;
        }
        
        if (_fRequestFullScreen && inIframe() === false){
            _oButFullscreen.unload();
        }
        
        s_oStage.removeAllChildren();
        s_oMenu = null;
    };
    
    this.getUserName = function () {
        if(s_isLogin===true){
            _loginText.text = 'Welcome '+s_userName;
            //_oLoginBtn.setVisible(false);
        }else{
            _loginText.text = "Welcome Guest";
        }
    };
    
    this._showLeaderboard = function()
    {
        console.log('_showLeaderboard')
        ID.GameAPI.Leaderboards.list({table:'Leaderboard', mode:'newest'})
        /*ID.GameAPI.Leaderboards.listCustom({} , function(data){
                console.log('Leaderboard ' + data);
             });*/
    }

    this.refreshButtonPos = function (iNewX, iNewY) {
        if (DISABLE_SOUND_MOBILE === false || s_bMobile === false) {
            _oAudioToggle.setPosition(_pStartPosAudio.x - iNewX, iNewY + _pStartPosAudio.y);
        }
        
        if (_fRequestFullScreen && inIframe() === false){
            _oButFullscreen.setPosition(_pStartPosFullscreen.x + iNewX,_pStartPosFullscreen.y + iNewY);
        }
        
        _oButInfo.setPosition(_pStartPosInfo.x + iNewX, iNewY + _pStartPosInfo.y);
        
        _oLeaderboardBtn.setPosition(_pLeaderboardBtn.x - iNewX, _pLeaderboardBtn.y + iNewY);
        s_oMain.logoReposition(iNewX+70, (CANVAS_HEIGHT-50) - iNewY)
        _loginText.x =  CANVAS_WIDTH- 5 - iNewX;
        _loginText.y =  (CANVAS_HEIGHT-25) - iNewY;
    };

    this._onAudioToggle = function () {
        createjs.Sound.setMute(s_bAudioActive);
        s_bAudioActive = !s_bAudioActive;
    };

    this._onCredits = function () {
        new CCreditsPanel();
    };

    this._onButPlayRelease = function () {
        console.log("玩家进入")
        window.start_game++
        window['uptap'].GameEvent("start_game",window.start_game);
        this.unload();
        if (isIOS() && s_oSoundTrack === null) {
            if (DISABLE_SOUND_MOBILE === false || s_bMobile === false) {
                s_oSoundTrack = createjs.Sound.play("soundtrack", {loop: -1});
            }
        }

        s_oMain.gotoTeamChoose();
        if(isFirstAdPlayed === false)
        {
            isFirstAdPlayed = true
            try {
            console.log('Showing Ads')
            playAds()
            }
            catch (e) {
                console.log(e + ' Error Showing Ads')
                showMessage()
            }
        }
    };
    
    this._onFullscreenRelease = function(){
        if(s_bFullscreen) { 
            _fCancelFullScreen.call(window.document);
            s_bFullscreen = false;
        }else{
            _fRequestFullScreen.call(window.document.documentElement);
            s_bFullscreen = true;
        }
        
        sizeHandler();
    };
    
    s_oMenu = this;

    this._init();
}

var s_oMenu = null;