function CMain(oData) {
    var _bUpdate;
    var _iCurResource = 0;
    var RESOURCE_TO_LOAD = 0;
    var _iState = STATE_LOADING;
    var _oData;
    var _oPreloader;
    var _oMenu;
    var _oGame;

    this.initContainer = function () {
        s_oCanvas = document.getElementById("canvas");
        s_oStage = new createjs.Stage(s_oCanvas);
        s_oStage.preventSelection = false;
        createjs.Touch.enable(s_oStage,true);

       s_bMobile = isMobile();
        if (s_bMobile === false) {
            s_oStage.enableMouseOver(20);

        }

        s_iPrevTime = new Date().getTime();

        createjs.Ticker.addEventListener("tick", this._update);
        createjs.Ticker.setFPS(30);

        if (navigator.userAgent.match(/Windows Phone/i)) {
            DISABLE_SOUND_MOBILE = true;
        }

        s_oSpriteLibrary = new CSpriteLibrary();

        //ADD PRELOADER
        _oPreloader = new CPreloader();
    };

    this.preloaderReady = function () {
        this._loadImages();
        
        if (DISABLE_SOUND_MOBILE === false || s_bMobile === false) {
            this._initSounds();
        }

        
        _bUpdate = true;
    };

    this.soundLoaded = function () {
        _iCurResource++;
        var iPerc = Math.floor(_iCurResource / RESOURCE_TO_LOAD * 100);
        _oPreloader.refreshLoader(iPerc);
    };
    
    this._initSounds = function(){
        Howler.mute(!s_bAudioActive);


        s_aSoundsInfo = new Array();
        s_aSoundsInfo.push({path: './sounds/',filename:'delete_lines',loop:false,volume:1, ingamename: 'delete_lines'});
        s_aSoundsInfo.push({path: './sounds/',filename:'click',loop:false,volume:1, ingamename: 'click'});
        s_aSoundsInfo.push({path: './sounds/',filename:'game_over',loop:false,volume:1, ingamename: 'game_over'});
        s_aSoundsInfo.push({path: './sounds/',filename:'shift_piece',loop:false,volume:1, ingamename: 'shift_piece'});
        s_aSoundsInfo.push({path: './sounds/',filename:'soundtrack',loop:true,volume:1, ingamename: 'soundtrack'});
        
        RESOURCE_TO_LOAD += s_aSoundsInfo.length;

        s_aSounds = new Array();
        for(var i=0; i<s_aSoundsInfo.length; i++){
            this.tryToLoadSound(s_aSoundsInfo[i], false);
        }
        
    };  
    
    this.tryToLoadSound = function(oSoundInfo, bDelay){
        
       setTimeout(function(){        
            s_aSounds[oSoundInfo.ingamename] = new Howl({ 
                                src: [oSoundInfo.path+oSoundInfo.filename+'.mp3'],
                                autoplay: false,
                                preload: true,
                                loop: oSoundInfo.loop, 
                                volume: oSoundInfo.volume,
                                onload: s_oMain.soundLoaded,
                                onloaderror: function(szId,szMsg){
                                                    for(var i=0; i < s_aSoundsInfo.length; i++){
                                                         if ( szId === s_aSounds[s_aSoundsInfo[i].ingamename]._sounds[0]._id){
                                                             s_oMain.tryToLoadSound(s_aSoundsInfo[i], true);
                                                             break;
                                                         }
                                                    }
                                            },
                                onplayerror: function(szId) {
                                    for(var i=0; i < s_aSoundsInfo.length; i++){
                                                         if ( szId === s_aSounds[s_aSoundsInfo[i].ingamename]._sounds[0]._id){
                                                              s_aSounds[s_aSoundsInfo[i].ingamename].once('unlock', function() {
                                                                s_aSounds[s_aSoundsInfo[i].ingamename].play();
                                                                if(s_aSoundsInfo[i].ingamename === "soundtrack" && s_oGame !== null){
                                                                    setVolume("soundtrack",SOUNDTRACK_VOLUME_IN_GAME);
                                                                }

                                                              });
                                                             break;
                                                         }
                                                     }

                                } 
                            });

            
        }, (bDelay ? 200 : 0) );
        
        
    };


    this._loadImages = function () {
        s_oSpriteLibrary.init(this._onImagesLoaded, this._onAllImagesLoaded, this);

        s_oSpriteLibrary.addSprite("bg_menu", "./sprites/bg_menu.jpg");
        s_oSpriteLibrary.addSprite("bg_game", "./sprites/bg_game.jpg");

        s_oSpriteLibrary.addSprite("but_exit", "./sprites/but_exit.png");
        s_oSpriteLibrary.addSprite("but_pause", "./sprites/but_pause.png");
        s_oSpriteLibrary.addSprite("icon_audio", "./sprites/icon_audio.png");

        s_oSpriteLibrary.addSprite("but_play", "./sprites/but_play.png");
        s_oSpriteLibrary.addSprite("but_restart", "./sprites/but_restart.png");
        s_oSpriteLibrary.addSprite("but_continue", "./sprites/but_continue.png");
        s_oSpriteLibrary.addSprite("but_home", "./sprites/but_home.png");
        s_oSpriteLibrary.addSprite("but_not", "./sprites/but_not.png");
        s_oSpriteLibrary.addSprite("but_rotation", "./sprites/but_rotation.png");
        s_oSpriteLibrary.addSprite("small_logo", "./sprites/small_logo.png");
        s_oSpriteLibrary.addSprite("block_blur", "./sprites/block_blur.png");
        s_oSpriteLibrary.addSprite("block_rotation", "./sprites/block_rotation.png");
        s_oSpriteLibrary.addSprite("block_down", "./sprites/block_down.png");

        s_oSpriteLibrary.addSprite("logo_ctl", "./sprites/logo_ctl.png");
        s_oSpriteLibrary.addSprite("pause_text", "./sprites/pause_text.png");

        s_oSpriteLibrary.addSprite("cell", "./sprites/cell.png");

        s_oSpriteLibrary.addSprite("msg_box", "./sprites/msg_box.png");
        s_oSpriteLibrary.addSprite("but_yes", "./sprites/but_yes.png");
        s_oSpriteLibrary.addSprite("but_info", "./sprites/but_info.png");
        s_oSpriteLibrary.addSprite("arrow", "./sprites/arrow.png");

        s_oSpriteLibrary.addSprite("next_board", "./sprites/next_board.png");
        s_oSpriteLibrary.addSprite("info_board", "./sprites/info_board.png");
        s_oSpriteLibrary.addSprite("score_board", "./sprites/score_board.png");

        s_oSpriteLibrary.addSprite("frame_top", "./sprites/frame_top.png");
        s_oSpriteLibrary.addSprite("frame_bottom", "./sprites/frame_bottom.png");

        s_oSpriteLibrary.addSprite("key_down", "./sprites/key_down.png");
        s_oSpriteLibrary.addSprite("key_up", "./sprites/key_up.png");
        s_oSpriteLibrary.addSprite("key_right", "./sprites/key_right.png");
        s_oSpriteLibrary.addSprite("key_left", "./sprites/key_left.png");

        s_oSpriteLibrary.addSprite("logo_menu", "./sprites/logo_menu.png");
        s_oSpriteLibrary.addSprite("but_fullscreen", "./sprites/but_fullscreen.png");

        for (var i = 0; i < BLOCKS_TYPE.length; i++) {
            s_oSpriteLibrary.addSprite("cell_" + i, "./sprites/cell_" + i + ".png");
        }

        RESOURCE_TO_LOAD += s_oSpriteLibrary.getNumSprites();
        s_oSpriteLibrary.loadSprites();
    };

    this._onImagesLoaded = function () {
        _iCurResource++;
        var iPerc = Math.floor(_iCurResource / RESOURCE_TO_LOAD * 100);
        _oPreloader.refreshLoader(iPerc);
    };

    this._onAllImagesLoaded = function () {

    };
    
    this._onRemovePreloader = function(){
        _oPreloader.unload(); 

        s_oSoundTrack = playSound("soundtrack", 1, true);

        s_oMain.gotoMenu();
    };
    
    this.gotoMenu = function () {
        _oMenu = new CMenu();
        _iState = STATE_MENU;
    };

    this.gotoGame = function () {
        _oGame = new CGame(_oData);
        _iState = STATE_GAME;

        $(s_oMain).trigger("start_session");
    };

    this.stopUpdate = function(){
        _bUpdate = false;
        createjs.Ticker.paused = true;
        $("#block_game").css("display","block");
        
        if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
            Howler.mute(true);
        }
        
    };

    this.startUpdate = function(){
        s_iPrevTime = new Date().getTime();
        _bUpdate = true;
        createjs.Ticker.paused = false;
        $("#block_game").css("display","none");
        
        if(DISABLE_SOUND_MOBILE === false || s_bMobile === false){
            if(s_bAudioActive){
                Howler.mute(false);
            }
        }
        
    };

    this._update = function (event) {
        if (_bUpdate === false) {
            return;
        }
        var iCurTime = new Date().getTime();
        s_iTimeElaps = iCurTime - s_iPrevTime;
        s_iCntTime += s_iTimeElaps;
        s_iCntFps++;
        s_iPrevTime = iCurTime;

        if (s_iCntTime >= 1000) {
            s_iCurFps = s_iCntFps;
            s_iCntTime -= 1000;
            s_iCntFps = 0;
        }

        if (_iState === STATE_GAME) {
            _oGame.update();
        }

        s_oStage.update(event);

    };

    s_oMain = this;

    _oData = oData;
    ENABLE_FULLSCREEN = oData.fullscreen;
    ENABLE_CHECK_ORIENTATION = oData.check_orientation;
    s_bAudioActive = oData.audio_enable_on_startup;

    this.initContainer();
}

var s_bMobile;
var s_bAudioActive = true;
var s_iCntTime = 0;
var s_iTimeElaps = 0;
var s_iPrevTime = 0;
var s_iCntFps = 0;
var s_iCurFps = 0;
var s_iAdsLevel = 1;

var s_iLevelReached = 1;

var s_oStage;
var s_oMain;
var s_oSpriteLibrary;
var s_oSoundTrack = null;
var s_oCanvas;
var s_aSounds;

var s_bFullscreen = false;
var s_aSoundsInfo;