/// <reference path="Jssor.Core.js" />

/*
* Jssor.Utils 17.0
* http://www.jssor.com/
* 
* TERMS OF USE - Jssor.Utils
* 
* Copyright 2014 Jssor
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
* 
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/


//$JssorPoint$
var $JssorPoint$;

(function () {

    $JssorPoint$ = function (x, y) {

        // Properties

        this.x = typeof (x) == "number" ? x : 0;
        this.y = typeof (y) == "number" ? y : 0;

    };

    // Methods

    var SDPointPrototype = $JssorPoint$.prototype;

    SDPointPrototype.$Plus = function (point) {
        return new $JssorPoint$(this.x + point.x, this.y + point.y);
    };

    SDPointPrototype.$Minus = function (point) {
        return new $JssorPoint$(this.x - point.x, this.y - point.y);
    };

    SDPointPrototype.$Times = function (factor) {
        return new $JssorPoint$(this.x * factor, this.y * factor);
    };

    SDPointPrototype.$Divide = function (factor) {
        return new $JssorPoint$(this.x / factor, this.y / factor);
    };

    SDPointPrototype.$Negate = function () {
        return new $JssorPoint$(-this.x, -this.y);
    };

    SDPointPrototype.$DistanceTo = function (point) {
        return Math.sqrt(Math.pow(this.x - point.x, 2) +
                        Math.pow(this.y - point.y, 2));
    };

    SDPointPrototype.$Apply = function (func) {
        return new $JssorPoint$(func(this.x), func(this.y));
    };

    SDPointPrototype.$Equals = function (point) {
        return (point instanceof $JssorPoint$) &&
                (this.x === point.x) && (this.y === point.y);
    };

    SDPointPrototype.$ToString = function () {
        return "(" + this.x + "," + this.y + ")";
    };

})();

//$JssorEasing$
var $JssorEasing$ = window.$JssorEasing$ = {
    $EaseLinear: function (t) {
        return t;
    },
    $EaseGoBack: function (t) {
        return 1 - Math.abs((t *= 2) - 1);
    },
    $EaseSwing: function (t) {
        return -Math.cos(t * Math.PI) / 2 + .5;
    },
    $EaseInQuad: function (t) {
        return t * t;
    },
    $EaseOutQuad: function (t) {
        return -t * (t - 2);
    },
    $EaseInOutQuad: function (t) {
        return (t *= 2) < 1 ? 1 / 2 * t * t : -1 / 2 * (--t * (t - 2) - 1);
    },
    $EaseInCubic: function (t) {
        return t * t * t;
    },
    $EaseOutCubic: function (t) {
        return (t -= 1) * t * t + 1;
    },
    $EaseInOutCubic: function (t) {
        return (t *= 2) < 1 ? 1 / 2 * t * t * t : 1 / 2 * ((t -= 2) * t * t + 2);
    },
    $EaseInQuart: function (t) {
        return t * t * t * t;
    },
    $EaseOutQuart: function (t) {
        return -((t -= 1) * t * t * t - 1);
    },
    $EaseInOutQuart: function (t) {
        return (t *= 2) < 1 ? 1 / 2 * t * t * t * t : -1 / 2 * ((t -= 2) * t * t * t - 2);
    },
    $EaseInQuint: function (t) {
        return t * t * t * t * t;
    },
    $EaseOutQuint: function (t) {
        return (t -= 1) * t * t * t * t + 1;
    },
    $EaseInOutQuint: function (t) {
        return (t *= 2) < 1 ? 1 / 2 * t * t * t * t * t : 1 / 2 * ((t -= 2) * t * t * t * t + 2);
    },
    $EaseInSine: function (t) {
        return 1 - Math.cos(t * Math.PI / 2);
    },
    $EaseOutSine: function (t) {
        return Math.sin(t * Math.PI / 2);
    },
    $EaseInOutSine: function (t) {
        return -1 / 2 * (Math.cos(Math.PI * t) - 1);
    },
    $EaseInExpo: function (t) {
        return t == 0 ? 0 : Math.pow(2, 10 * (t - 1));
    },
    $EaseOutExpo: function (t) {
        return t == 1 ? 1 : -Math.pow(2, -10 * t) + 1;
    },
    $EaseInOutExpo: function (t) {
        return t == 0 || t == 1 ? t : (t *= 2) < 1 ? 1 / 2 * Math.pow(2, 10 * (t - 1)) : 1 / 2 * (-Math.pow(2, -10 * --t) + 2);
    },
    $EaseInCirc: function (t) {
        return -(Math.sqrt(1 - t * t) - 1);
    },
    $EaseOutCirc: function (t) {
        return Math.sqrt(1 - (t -= 1) * t);
    },
    $EaseInOutCirc: function (t) {
        return (t *= 2) < 1 ? -1 / 2 * (Math.sqrt(1 - t * t) - 1) : 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1);
    },
    $EaseInElastic: function (t) {
        if (!t || t == 1)
            return t;
        var p = .3, s = .075;
        return -(Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * 2 * Math.PI / p));
    },
    $EaseOutElastic: function (t) {
        if (!t || t == 1)
            return t;
        var p = .3, s = .075;
        return Math.pow(2, -10 * t) * Math.sin((t - s) * 2 * Math.PI / p) + 1;
    },
    $EaseInOutElastic: function (t) {
        if (!t || t == 1)
            return t;
        var p = .45, s = .1125;
        return (t *= 2) < 1 ? -.5 * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * 2 * Math.PI / p) : Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * 2 * Math.PI / p) * .5 + 1;
    },
    $EaseInBack: function (t) {
        var s = 1.70158;
        return t * t * ((s + 1) * t - s);
    },
    $EaseOutBack: function (t) {
        var s = 1.70158;
        return (t -= 1) * t * ((s + 1) * t + s) + 1;
    },
    $EaseInOutBack: function (t) {
        var s = 1.70158;
        return (t *= 2) < 1 ? 1 / 2 * t * t * (((s *= 1.525) + 1) * t - s) : 1 / 2 * ((t -= 2) * t * (((s *= 1.525) + 1) * t + s) + 2);
    },
    $EaseInBounce: function (t) {
        return 1 - $JssorEasing$.$EaseOutBounce(1 - t)
    },
    $EaseOutBounce: function (t) {
        return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
    },
    $EaseInOutBounce: function (t) {
        return t < 1 / 2 ? $JssorEasing$.$EaseInBounce(t * 2) * .5 : $JssorEasing$.$EaseOutBounce(t * 2 - 1) * .5 + .5;
    },
    $EaseInWave: function (t) {
        return 1 - Math.cos(t * Math.PI * 2)
    },
    $EaseOutWave: function (t) {
        return Math.sin(t * Math.PI * 2);
    },
    $EaseOutJump: function (t) {
        return 1 - (((t *= 2) < 1) ? (t = 1 - t) * t * t : (t -= 1) * t * t);
    },
    $EaseInJump: function (t) {
        return ((t *= 2) < 1) ? t * t * t : (t = 2 - t) * t * t;
    }
};

var $JssorDirection$ = window.$JssorDirection$ = {
    $TO_LEFT: 0x0001,
    $TO_RIGHT: 0x0002,
    $TO_TOP: 0x0004,
    $TO_BOTTOM: 0x0008,
    $HORIZONTAL: 0x0003,
    $VERTICAL: 0x000C,
    $LEFTRIGHT: 0x0003,
    $TOPBOTOM: 0x000C,
    $TOPLEFT: 0x0005,
    $TOPRIGHT: 0x0006,
    $BOTTOMLEFT: 0x0009,
    $BOTTOMRIGHT: 0x000A,
    $AROUND: 0x000F,

    $GetDirectionHorizontal: function (direction) {
        return direction & 0x0003;
    },
    $GetDirectionVertical: function (direction) {
        return direction & 0x000C;
    },
    $ChessHorizontal: function (direction) {
        return (~direction & 0x0003) + (direction & 0x000C);
    },
    $ChessVertical: function (direction) {
        return (~direction & 0x000C) + (direction & 0x0003);
    },
    $IsToLeft: function (direction) {
        return (direction & 0x0003) == 0x0001;
    },
    $IsToRight: function (direction) {
        return (direction & 0x0003) == 0x0002;
    },
    $IsToTop: function (direction) {
        return (direction & 0x000C) == 0x0004;
    },
    $IsToBottom: function (direction) {
        return (direction & 0x000C) == 0x0008;
    },
    $IsHorizontal: function (direction) {
        return (direction & 0x0003) > 0;
    },
    $IsVertical: function (direction) {
        return (direction & 0x000C) > 0;
    }
};

var $JssorKeyCode$ = {
    $BACKSPACE: 8,
    $COMMA: 188,
    $DELETE: 46,
    $DOWN: 40,
    $END: 35,
    $ENTER: 13,
    $ESCAPE: 27,
    $HOME: 36,
    $LEFT: 37,
    $NUMPAD_ADD: 107,
    $NUMPAD_DECIMAL: 110,
    $NUMPAD_DIVIDE: 111,
    $NUMPAD_ENTER: 108,
    $NUMPAD_MULTIPLY: 106,
    $NUMPAD_SUBTRACT: 109,
    $PAGE_DOWN: 34,
    $PAGE_UP: 33,
    $PERIOD: 190,
    $RIGHT: 39,
    $SPACE: 32,
    $TAB: 9,
    $UP: 38
};

var $JssorAlignment$ = {
    $TopLeft: 0x11,
    $TopCenter: 0x12,
    $TopRight: 0x14,
    $MiddleLeft: 0x21,
    $MiddleCenter: 0x22,
    $MiddleRight: 0x24,
    $BottomLeft: 0x41,
    $BottomCenter: 0x42,
    $BottomRight: 0x44,

    $IsTop: function (aligment) {
        return aligment & 0x10 > 0;
    },
    $IsMiddle: function (alignment) {
        return alignment & 0x20 > 0;
    },
    $IsBottom: function (alignment) {
        return alignment & 0x40 > 0;
    },
    $IsLeft: function (alignment) {
        return alignment & 0x01 > 0;
    },
    $IsCenter: function (alignment) {
        return alignment & 0x02 > 0;
    },
    $IsRight: function (alignment) {
        return alignment & 0x04 > 0;
    }
};

var $JssorMatrix$;

var $JssorBrowser$ = {
    $UNKNOWN: 0,
    $IE: 1,
    $FIREFOX: 2,
    $SAFARI: 3,
    $CHROME: 4,
    $OPERA: 5
};

var $ROWSER_UNKNOWN$ = 0;
var $ROWSER_IE$ = 1;
var $ROWSER_FIREFOX$ = 2;
var $ROWSER_SAFARI$ = 3;
var $ROWSER_CHROME$ = 4;
var $ROWSER_OPERA$ = 5;

var $JssorAnimator$;

// $JssorUtils$ is a static class, so make it singleton instance
var $JssorUtils$ = window.$JssorUtils$ = new function () {

    // Fields

    var self = this;

    var arrActiveX = ["Msxml2.XMLHTTP", "Msxml3.XMLHTTP", "Microsoft.XMLHTTP"];
    var supportedImageFormats = {
        "bmp": false,
        "jpeg": true,
        "jpg": true,
        "png": true,
        "tif": false,
        "wdp": false
    };

    var browser = $JssorBrowser$.$UNKNOWN;
    var browserRuntimeVersion = 0;
    var browserEngineVersion = 0;
    var browserJavascriptVersion = 0;
    var webkitVersion = 0;

    var app = navigator.appName;
    var ver = navigator.appVersion;
    var ua = navigator.userAgent;

    var urlParams = {};

    function DetectBrowser() {
        if (!browser) {
            if (app == "Microsoft Internet Explorer" &&
                !!window.attachEvent && !!window.ActiveXObject) {

                var ieOffset = ua.indexOf("MSIE");
                browser = $JssorBrowser$.$IE;
                browserEngineVersion = parseFloat(ua.substring(ieOffset + 5, ua.indexOf(";", ieOffset)));

                //check IE javascript version
                /*@cc_on
                browserJavascriptVersion = @_jscript_version;
                @*/

                // update: for intranet sites and compat view list sites, IE sends
                // an IE7 User-Agent to the server to be interoperable, and even if
                // the page requests a later IE version, IE will still report the
                // IE7 UA to JS. we should be robust to self.
                //var docMode = document.documentMode;
                //if (typeof docMode !== "undefined") {
                //    browserRuntimeVersion = docMode;
                //}

                browserRuntimeVersion = document.documentMode || browserEngineVersion;

            }
            else if (app == "Netscape" && !!window.addEventListener) {

                var ffOffset = ua.indexOf("Firefox");
                var saOffset = ua.indexOf("Safari");
                var chOffset = ua.indexOf("Chrome");
                var webkitOffset = ua.indexOf("AppleWebKit");

                if (ffOffset >= 0) {
                    browser = $JssorBrowser$.$FIREFOX;
                    browserRuntimeVersion = parseFloat(ua.substring(ffOffset + 8));
                }
                else if (saOffset >= 0) {
                    var slash = ua.substring(0, saOffset).lastIndexOf("/");
                    browser = (chOffset >= 0) ? $JssorBrowser$.$CHROME : $JssorBrowser$.$SAFARI;
                    browserRuntimeVersion = parseFloat(ua.substring(slash + 1, saOffset));
                }

                if (webkitOffset >= 0)
                    webkitVersion = parseFloat(ua.substring(webkitOffset + 12));
            }
            else {
                var match = /(opera)(?:.*version|)[ \/]([\w.]+)/i.exec(ua);
                if (match) {
                    browser = $JssorBrowser$.$OPERA;
                    browserRuntimeVersion = parseFloat(match[2]);
                }
            }
        }
    }

    function IsBrowserIE() {
        DetectBrowser();
        return browser == $ROWSER_IE$;
    }

    function IsBrowserIeQuirks() {

        return IsBrowserIE() && (browserRuntimeVersion < 6 || document.compatMode == "BackCompat");   //Composite to "CSS1Compat"
    }

    function IsBrowserFireFox() {
        DetectBrowser();
        return browser == $ROWSER_FIREFOX$;
    }

    function IsBrowserSafari() {
        DetectBrowser();
        return browser == $ROWSER_SAFARI$;
    }

    function IsBrowserChrome() {
        DetectBrowser();
        return browser == $ROWSER_CHROME$;
    }

    function IsBrowserOpera() {
        DetectBrowser();
        return browser == $ROWSER_OPERA$;
    }

    function IsBrowserBadTransform() {
        return IsBrowserSafari() && (webkitVersion > 534) && (webkitVersion < 535);
    }

    function IsBrowserSafeHWA() {
        return IsBrowserSafari() && (webkitVersion < 535);
    }

    function IsBrowserIe9Earlier() {

        //IE 8- and chrome 1 won't fade well
        return IsBrowserIE() && browserRuntimeVersion < 9; // || (IsBrowserChrome() && browserRuntimeVersion < 2);
    }

    var _TransformProperty;
    function GetTransformProperty(elmt) {

        if (!_TransformProperty) {
            // Note that in some versions of IE9 it is critical that
            // msTransform appear in this list before MozTransform

            each(['transform', 'WebkitTransform', 'msTransform', 'MozTransform', 'OTransform'], function (property) {
                if (!self.$IsUndefined(elmt.style[property])) {
                    _TransformProperty = property;
                    return true;
                }
            });

            _TransformProperty = _TransformProperty || "transform";
        }

        return _TransformProperty;
    }

    // Constructor
    {
        //Ignore urlParams
        //        // Url parameters

        //        var query = window.location.search.substring(1);    // ignore '?'
        //        var parts = query.split('&');

        //        for (var i = 0; i < parts.length; i++) {
        //            var part = parts[i];
        //            var sep = part.indexOf('=');

        //            if (sep > 0) {
        //                urlParams[part.substring(0, sep)] =
        //                        decodeURIComponent(part.substring(sep + 1));
        //            }
        //        }

        // Browser behaviors

    }

    // Helpers
    function getOffsetParent(elmt, isFixed) {
        // IE and Opera "fixed" position elements don't have offset parents.
        // regardless, if it's fixed, its offset parent is the body.
        if (isFixed && elmt != document.body) {
            return document.body;
        } else {
            return elmt.offsetParent;
        }
    }

    function toString(obj) {
        return Object.prototype.toString.call(obj);
    }

    // [[Class]] -> type pairs
    var class2type;

    function each(object, callback) {
        if (toString(object) == "[object Array]") {
            for (var i = 0; i < object.length; i++) {
                if (callback(object[i], i, object)) {
                    break;
                }
            }
        } else {
            for (var name in object) {
                if (callback(object[name], name, object)) {
                    break;
                }
            }
        }
    }

    function GetClass2Type() {
        if (!class2type) {
            class2type = {};
            each(["Boolean", "Number", "String", "Function", "Array", "Date", "RegExp", "Object"], function (name) {
                class2type["[object " + name + "]"] = name.toLowerCase();
            });
        }

        return class2type;
    }

    function type(obj) {
        return obj == null ? String(obj) : GetClass2Type()[toString(obj)] || "object";
    }

    function isPlainObject(obj) {
        // Must be an Object.
        // Because of IE, we also have to check the presence of the constructor property.
        // Make sure that DOM nodes and window objects don't pass through, as well
        if (!obj || type(obj) !== "object" || obj.nodeType || self.$IsWindow(obj)) {
            return false;
        }

        var hasOwn = Object.prototype.hasOwnProperty;

        try {
            // Not own constructor property must be Object
            if (obj.constructor &&
				!hasOwn.call(obj, "constructor") &&
				!hasOwn.call(obj.constructor.prototype, "isPrototypeOf")) {
                return false;
            }
        } catch (e) {
            // IE8,9 Will throw exceptions on certain host objects #9897
            return false;
        }

        // Own properties are enumerated firstly, so to speed up,
        // if last one is own, then all properties are own.

        var key;
        for (key in obj) { }

        return key === undefined || hasOwn.call(obj, key);
    }

    function Delay(code, delay) {
        setTimeout(code, delay || 0);
    }

    function RemoveByReg(str, reg) {
        var m = reg.exec(str);

        if (m) {
            var header = str.substr(0, m.index);
            var tailer = str.substr(m.lastIndex + 1, str.length - (m.lastIndex + 1));
            str = header + tailer;
        }

        return str;
    }

    function BuildNewCss(oldCss, removeRegs, replaceValue) {
        var css = (!oldCss || oldCss == "inherit") ? "" : oldCss;

        each(removeRegs, function (removeReg) {
            var m = removeReg.exec(css);

            if (m) {
                var header = css.substr(0, m.index);
                var tailer = css.substr(m.lastIndex + 1, css.length - (m.lastIndex + 1));
                css = header + tailer;
            }
        });

        css = replaceValue + (css.indexOf(" ") != 0 ? " " : "") + css;

        return css;
    }

    function SetStyleFilterIE(elmt, value) {
        if (browserRuntimeVersion < 9) {
            elmt.style.filter = value;
        }
    }

    function SetStyleMatrixIE(elmt, matrix, offset) {
        //matrix is not for ie9+ running in ie8- mode
        if (browserJavascriptVersion < 9) {
            var oldFilterValue = elmt.style.filter;
            var matrixReg = new RegExp(/[\s]*progid:DXImageTransform\.Microsoft\.Matrix\([^\)]*\)/g);
            var matrixValue = matrix ? "progid:DXImageTransform.Microsoft.Matrix(" + "M11=" + matrix[0][0] + ", M12=" + matrix[0][1] + ", M21=" + matrix[1][0] + ", M22=" + matrix[1][1] + ", SizingMethod='auto expand')" : "";

            var newFilterValue = BuildNewCss(oldFilterValue, [matrixReg], matrixValue);

            SetStyleFilterIE(elmt, newFilterValue);

            self.$CssMarginTop(elmt, offset.y);
            self.$CssMarginLeft(elmt, offset.x);
        }
    }

    // Methods

    self.$IsBrowserIE = IsBrowserIE;

    self.$IsBrowserIeQuirks = IsBrowserIeQuirks;

    self.$IsBrowserFireFox = IsBrowserFireFox;

    self.$IsBrowserSafari = IsBrowserSafari;

    self.$IsBrowserChrome = IsBrowserChrome;

    self.$IsBrowserOpera = IsBrowserOpera;

    self.$IsBrowserBadTransform = IsBrowserBadTransform;

    self.$IsBrowserSafeHWA = IsBrowserSafeHWA;

    self.$IsBrowserIe9Earlier = IsBrowserIe9Earlier;

    self.$GetBrowserVersion = function () {
        return browserRuntimeVersion;
    };

    self.$GetBrowserEngineVersion = function () {
        return browserEngineVersion || browserRuntimeVersion;
    };

    self.$GetWebKitVersion = function () {
        return webkitVersion;
    };

    self.$Delay = Delay;

    self.$GetElement = function (elmt) {
        if (self.$IsString(elmt)) {
            elmt = document.getElementById(elmt);
        }

        return elmt;
    };

    self.$GetElementPosition = function (elmt) {
        elmt = self.$GetElement(elmt);
        var result = new $JssorPoint$();

        // technique from:
        // http://www.quirksmode.org/js/findpos.html
        // with special check for "fixed" elements.

        while (elmt) {
            result.x += elmt.offsetLeft;
            result.y += elmt.offsetTop;

            var isFixed = self.$GetElementStyle(elmt).position == "fixed";

            if (isFixed) {
                result = result.$Plus(self.$GetPageScroll(window));
            }

            elmt = getOffsetParent(elmt, isFixed);
        }

        return result;
    };

    self.$GetElementSize = function (elmt) {
        elmt = self.$GetElement(elmt);
        return new $JssorPoint$(elmt.clientWidth, elmt.clientHeight);
    };

    self.$GetEvent = function (event) {
        return event ? event : window.event;
    };

    self.$GetEventSrcElement = function (event) {
        event = self.$GetEvent(event);
        return event.target || event.srcElement || document;
    };

    self.$GetEventDstElement = function (event) {
        event = self.$GetEvent(event);
        return event.relatedTarget || event.toElement;
    };

    self.$GetMousePosition = function (event) {
        event = self.$GetEvent(event);
        var result = new $JssorPoint$();

        // technique from:
        // http://www.quirksmode.org/js/events_properties.html

        if (event.type == "DOMMouseScroll" &&
                IsBrowserFireFox() && browserRuntimeVersion < 3) {
            // hack for FF2 which reports incorrect position for mouse scroll
            result.x = event.screenX;
            result.y = event.screenY;
        } else if (typeof (event.pageX) == "number") {
            result.x = event.pageX;
            result.y = event.pageY;
        } else if (typeof (event.clientX) == "number") {
            result.x = event.clientX + document.body.scrollLeft + document.documentElement.scrollLeft;
            result.y = event.clientY + document.body.scrollTop + document.documentElement.scrollTop;
        } else {
            $JssorDebug$.$Fail("Unknown event mouse position, no known technique.");
        }

        return result;
    };

    self.$GetMouseScroll = function (event) {
        event = self.$GetEvent(event);
        var delta = 0; // default value

        // technique from:
        // http://blog.paranoidferret.com/index.php/2007/10/31/javascript-tutorial-the-scroll-wheel/

        if (typeof (event.wheelDelta) == "number") {
            delta = event.wheelDelta;
        } else if (typeof (event.detail) == "number") {
            delta = event.detail * -1;
        } else {
            $JssorDebug$.$Fail("Unknown event mouse scroll, no known technique.");
        }

        // normalize value to [-1, 1]
        return delta ? delta / Math.abs(delta) : 0;
    };

    self.$GetPageScroll = function (window) {
        var result = new $JssorPoint$();
        var docElmt = window.document.documentElement || {};
        var body = window.document.body || {};

        // technique from:
        // http://www.howtocreate.co.uk/tutorials/javascript/browserwindow

        if (typeof (window.pageXOffset) == "number") {
            // most browsers
            result.x = window.pageXOffset;
            result.y = window.pageYOffset;
        } else if (body.scrollLeft || body.scrollTop) {
            // W3C spec, IE6+ in quirks mode
            result.x = body.scrollLeft;
            result.y = body.scrollTop;
        } else if (docElmt.scrollLeft || docElmt.scrollTop) {
            // IE6+ in standards mode
            result.x = docElmt.scrollLeft;
            result.y = docElmt.scrollTop;
        }

        // note: we specifically aren't testing for typeof here, because IE sets
        // the appropriate variables undefined instead of 0 under certain
        // conditions. self means we also shouldn't fail if none of the three
        // cases are hit; we'll just assume the page scroll is 0.

        return result;
    };

    self.$GetWindowSize = function (window) {
        var result = new $JssorPoint$();

        // technique from:
        // http://www.howtocreate.co.uk/tutorials/javascript/browserwindow

        //jQuery way to get window size, but support ie quirks mode
        var checkElement = (IsBrowserIeQuirks() ? window.document.body : window.document.documentElement);

        result.x = checkElement.clientWidth;
        result.y = checkElement.clientHeight;

        return result;
    };

    //self.$MakeAjaxRequest = function (url, callback) {
    //    var async = typeof (callback) == "function";
    //    var req = null;

    //    if (async) {
    //        var actual = callback;
    //        var callback = function () {
    //            Delay($JssorUtils$.$CreateCallback(null, actual, req), 1);
    //        };
    //    }

    //    if (window.ActiveXObject) {
    //        for (var i = 0; i < arrActiveX.length; i++) {
    //            try {
    //                req = new ActiveXObject(arrActiveX[i]);
    //                break;
    //            } catch (e) {
    //                continue;
    //            }
    //        }
    //    } else if (window.XMLHttpRequest) {
    //        req = new XMLHttpRequest();
    //    }

    //    if (!req) {
    //        $JssorDebug$.$Fail("Browser doesn't support XMLHttpRequest.");
    //    }

    //    if (async) {
    //        req.onreadystatechange = function () {
    //            if (req.readyState == 4) {
    //                // prevent memory leaks by breaking circular reference now
    //                req.onreadystatechange = new Function();
    //                callback();
    //            }
    //        };
    //    }

    //    try {
    //        req.open("GET", url, async);
    //        req.send(null);
    //    } catch (e) {
    //        $JssorDebug$.$Log(e.name + " while making AJAX request: " + e.message);

    //        req.onreadystatechange = null;
    //        req = null;

    //        if (async) {
    //            callback();
    //        }
    //    }

    //    return async ? null : req;
    //};

    //self.$ParseXml = function (string) {
    //    var xmlDoc = null;

    //    if (window.ActiveXObject) {
    //        try {
    //            xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
    //            xmlDoc.async = false;
    //            xmlDoc.loadXML(string);
    //        } catch (e) {
    //            $JssorDebug$.$Log(e.name + " while parsing XML (ActiveX): " + e.message);
    //        }
    //    } else if (window.DOMParser) {
    //        try {
    //            var parser = new DOMParser();
    //            xmlDoc = parser.parseFromString(string, "text/xml");
    //        } catch (e) {
    //            $JssorDebug$.$Log(e.name + " while parsing XML (DOMParser): " + e.message);
    //        }
    //    } else {
    //        $JssorDebug$.$Fail("Browser doesn't support XML DOM.");
    //    }

    //    return xmlDoc;
    //};

    function Css(elmt, name, value) {
        ///	<summary>
        ///		access css
        ///     $JssorUtils$.$Css(elmt, name);         //get css value
        ///     $JssorUtils$.$Css(elmt, name, value);  //set css value
        ///	</summary>
        ///	<param name="elmt" type="HTMLElement">
        ///		the element to access css
        ///	</param>
        ///	<param name="name" type="String">
        ///		the name of css property
        ///	</param>
        ///	<param name="value" optional="true">
        ///		the value to set
        ///	</param>
        if (value != undefined) {
            elmt.style[name] = value;
        }
        else {
            var style = elmt.currentStyle || elmt.style;
            value = style[name];

            if(value == "" && window.getComputedStyle) {
                style = elmt.ownerDocument.defaultView.getComputedStyle(elmt, null);

                style && (value = style.getPropertyValue(name) || style[name]);
            }

            return value;
        }
    }

    function CssN(elmt, name, value, isDimensional) {
        ///	<summary>
        ///		access css as numeric
        ///     $JssorUtils$.$CssN(elmt, name);         //get css value
        ///     $JssorUtils$.$CssN(elmt, name, value);  //set css value
        ///	</summary>
        ///	<param name="elmt" type="HTMLElement">
        ///		the element to access css
        ///	</param>
        ///	<param name="name" type="String">
        ///		the name of css property
        ///	</param>
        ///	<param name="value" type="Number" optional="true">
        ///		the value to set
        ///	</param>
        if (value != undefined) {
            isDimensional && (value += "px");
            Css(elmt, name, value);
        }
        else {
            return parseFloat(Css(elmt, name));
        }
    }

    function CssP(elmt, name, value) {
        ///	<summary>
        ///		access css in pixel as numeric, like 'top', 'left', 'width', 'height'
        ///     $JssorUtils$.$CssP(elmt, name);         //get css value
        ///     $JssorUtils$.$CssP(elmt, name, value);  //set css value
        ///	</summary>
        ///	<param name="elmt" type="HTMLElement">
        ///		the element to access css
        ///	</param>
        ///	<param name="name" type="String">
        ///		the name of css property
        ///	</param>
        ///	<param name="value" type="Number" optional="true">
        ///		the value to set
        ///	</param>
        return CssN(elmt, name, value, true);
    }

    function CssProxy(name, numericOrDimension) {
        ///	<summary>
        ///		create proxy to access css, CssProxy(name[, numericOrDimension]);
        ///	</summary>
        ///	<param name="elmt" type="HTMLElement">
        ///		the element to access css
        ///	</param>
        ///	<param name="numericOrDimension" type="Number" optional="true">
        ///		not set: access original css, 1: access css as numeric, 2: access css in pixel as numeric
        ///	</param>
        var isDimensional = numericOrDimension & 2;
        var cssAccessor = numericOrDimension ? CssN : Css;
        return function (elmt, value) {
            return cssAccessor(elmt, name, value, isDimensional);
        };
    }

    function GetStyleOpacity(elmt) {
        if (IsBrowserIE() && browserEngineVersion < 9) {
            var match = /opacity=([^)]*)/.exec(elmt.style.filter || "");
            return match ? (parseFloat(match[1]) / 100) : 1;
        }
        else
            return parseFloat(elmt.style.opacity || "1");
    }

    function SetStyleOpacity(elmt, opacity, ie9EarlierForce) {

        if (IsBrowserIE() && browserEngineVersion < 9) {
            //var filterName = "filter"; // browserEngineVersion < 8 ? "filter" : "-ms-filter";
            var finalFilter = elmt.style.filter || "";

            // for CSS filter browsers (IE), remove alpha filter if it's unnecessary.
            // update: doing self always since IE9 beta seems to have broken the
            // behavior if we rely on the programmatic filters collection.
            var alphaReg = new RegExp(/[\s]*alpha\([^\)]*\)/g);

            // important: note the lazy star! self protects against
            // multiple filters; we don't want to delete the other ones.
            // update: also trimming extra whitespace around filter.

            var ieOpacity = Math.round(100 * opacity);
            var alphaFilter = "";
            if (ieOpacity < 100 || ie9EarlierForce) {
                alphaFilter = "alpha(opacity=" + ieOpacity + ") ";
                //elmt.style["-ms-filter"] = "progid:DXImageTransform.Microsoft.Alpha(opacity=" + ieOpacity + ") ";
            }

            var newFilterValue = BuildNewCss(finalFilter, [alphaReg], alphaFilter);

            SetStyleFilterIE(elmt, newFilterValue);
        }

            //if (!IsBrowserIE() || browserEngineVersion >= 9) 
        else {
            elmt.style.opacity = opacity == 1 ? "" : Math.round(opacity * 100) / 100;
        }
    }

    function SetStyleTransformInternal(elmt, transform) {
        var rotate = transform.$Rotate || 0;
        var scale = transform.$Scale == undefined ? 1 : transform.$Scale;

        if (IsBrowserIe9Earlier()) {
            var matrix = self.$CreateMatrix(rotate / 180 * Math.PI, scale, scale);
            SetStyleMatrixIE(elmt, (!rotate && scale == 1) ? null : matrix, self.$GetMatrixOffset(matrix, transform.$OriginalWidth, transform.$OriginalHeight));
        }
        else {
            //rotate(15deg) scale(.5) translateZ(0)
            var transformProperty = GetTransformProperty(elmt);
            if (transformProperty) {
                var transformValue = "rotate(" + rotate % 360 + "deg) scale(" + scale + ")";
                if ($JssorUtils$.$IsBrowserChrome() && webkitVersion > 535)
                    transformValue += " perspective(2000px)";

                elmt.style[transformProperty] = transformValue;
            }
        }
    }

    self.$SetStyleTransform = function (elmt, transform) {
        if (IsBrowserBadTransform()) {
            Delay(self.$CreateCallback(null, SetStyleTransformInternal, elmt, transform));
        }
        else {
            SetStyleTransformInternal(elmt, transform);
        }
    };

    self.$SetStyleTransformOrigin = function (elmt, transformOrigin) {
        var transformProperty = GetTransformProperty(elmt);

        if (transformProperty)
            elmt.style[transformProperty + "Origin"] = transformOrigin;
    };

    self.$SetStyleScale = function (elmt, scale) {

        if (IsBrowserIE() && browserEngineVersion < 9 || (browserEngineVersion < 10 && IsBrowserIeQuirks())) {
            elmt.style.zoom = (scale == 1) ? "" : scale;
        }
        else {
            var transformProperty = GetTransformProperty(elmt);

            if (transformProperty) {
                //rotate(15deg) scale(.5)
                var transformValue = "scale(" + scale + ")";

                var oldTransformValue = elmt.style[transformProperty];
                var scaleReg = new RegExp(/[\s]*scale\(.*?\)/g);

                var newTransformValue = BuildNewCss(oldTransformValue, [scaleReg], transformValue);

                elmt.style[transformProperty] = newTransformValue;
            }
        }
    };

    self.$EnableHWA = function (elmt) {
        if (!elmt.style[GetTransformProperty(elmt)] || elmt.style[GetTransformProperty(elmt)] == "none")
            elmt.style[GetTransformProperty(elmt)] = "perspective(2000px)";
    };

    self.$DisableHWA = function (elmt) {
        //if (force || elmt.style[GetTransformProperty(elmt)] == "perspective(2000px)")
        elmt.style[GetTransformProperty(elmt)] = "none";
    };

    var ie8OffsetWidth = 0;
    var ie8OffsetHeight = 0;
    var ie8WindowResizeCallbackHandlers;
    //var ie8LastVerticalScrollbar;
    //var toggleInfo = "";

    function Ie8WindowResizeFilter(window) {

        var trigger = true;

        var checkElement = (IsBrowserIeQuirks() ? window.document.body : window.document.documentElement);
        if (checkElement) {
            //check vertical bar
            //var hasVerticalBar = checkElement.scrollHeight > checkElement.clientHeight;
            //var verticalBarToggle = hasVerticalBar != ie8LastVerticalScrollbar;
            //ie8LastVerticalScrollbar = hasVerticalBar;

            var widthChange = checkElement.offsetWidth - ie8OffsetWidth;
            var heightChange = checkElement.offsetHeight - ie8OffsetHeight;
            if (widthChange || heightChange) {

                ie8OffsetWidth += widthChange;
                ie8OffsetHeight += heightChange;
            }
            else
                trigger = false;
        }

        trigger && each(ie8WindowResizeCallbackHandlers, function (handler) {
            handler();
        });
    }

    self.$OnWindowResize = function (window, handler) {

        if (IsBrowserIE() && browserEngineVersion < 9) {
            if (!ie8WindowResizeCallbackHandlers) {
                ie8WindowResizeCallbackHandlers = [handler];
                handler = self.$CreateCallback(null, Ie8WindowResizeFilter, window);
            }
            else {
                ie8WindowResizeCallbackHandlers.push(handler);
                return;
            }
        }

        self.$AddEvent(window, "resize", handler);
    };

    self.$AddEvent = function (elmt, eventName, handler, useCapture) {
        elmt = self.$GetElement(elmt);

        // technique from:
        // http://blog.paranoidferret.com/index.php/2007/08/10/javascript-working-with-events/

        if (elmt.addEventListener) {
            if (eventName == "mousewheel") {
                elmt.addEventListener("DOMMouseScroll", handler, useCapture);
            }
            // we are still going to add the mousewheel -- not a mistake!
            // self is for opera, since it uses onmousewheel but needs addEventListener.
            elmt.addEventListener(eventName, handler, useCapture);
        }
        else if (elmt.attachEvent) {
            elmt.attachEvent("on" + eventName, handler);
            if (useCapture && elmt.setCapture) {
                elmt.setCapture();
            }
        }

        $JssorDebug$.$Execute(function () {
            if (!elmt.addEventListener && !elmt.attachEvent) {
                $JssorDebug$.$Fail("Unable to attach event handler, no known technique.");
            }
        });

    };

    self.$RemoveEvent = function (elmt, eventName, handler, useCapture) {
        elmt = self.$GetElement(elmt);

        // technique from:
        // http://blog.paranoidferret.com/index.php/2007/08/10/javascript-working-with-events/

        if (elmt.removeEventListener) {
            if (eventName == "mousewheel") {
                elmt.removeEventListener("DOMMouseScroll", handler, useCapture);
            }
            // we are still going to remove the mousewheel -- not a mistake!
            // self is for opera, since it uses onmousewheel but needs removeEventListener.
            elmt.removeEventListener(eventName, handler, useCapture);
        }
        else if (elmt.detachEvent) {
            elmt.detachEvent("on" + eventName, handler);
            if (useCapture && elmt.releaseCapture) {
                elmt.releaseCapture();
            }
        }

        $JssorDebug$.$Execute(function () {
            if (!elmt.removeEventListener && !elmt.detachEvent) {
                $JssorDebug$.$Fail("Unable to detach event handler, no known technique.");
            }
        });
    };

    self.$FireEvent = function (elmt, eventName) {
        //var document = elmt.document;

        $JssorDebug$.$Execute(function () {
            if (!document.createEvent && !document.createEventObject) {
                $JssorDebug$.$Fail("Unable to fire event, no known technique.");
            }

            if (!elmt.dispatchEvent && !elmt.fireEvent) {
                $JssorDebug$.$Fail("Unable to fire event, no known technique.");
            }
        });

        var evento;

        if (document.createEvent) {
            evento = document.createEvent("HTMLEvents");
            evento.initEvent(eventName, false, false);
            elmt.dispatchEvent(evento);
        }
        else {
            var ieEventName = "on" + eventName;
            evento = document.createEventObject();
            //event.eventType = ieEventName;
            //event.eventName = ieEventName;

            elmt.fireEvent(ieEventName, evento);
        }
    };

    self.$AddEventBrowserMouseUp = function (handler, userCapture) {
        self.$AddEvent((IsBrowserIe9Earlier()) ? document : window, "mouseup", handler, userCapture);
    };

    self.$RemoveEventBrowserMouseUp = function (handler, userCapture) {
        self.$RemoveEvent((IsBrowserIe9Earlier()) ? document : window, "mouseup", handler, userCapture);
    };

    self.$AddEventBrowserMouseDown = function (handler, userCapture) {
        self.$AddEvent((IsBrowserIe9Earlier()) ? document : window, "mousedown", handler, userCapture);
    };

    self.$RemoveEventBrowserMouseDown = function (handler, userCapture) {
        self.$RemoveEvent((IsBrowserIe9Earlier()) ? document : window, "mousedown", handler, userCapture);
    };

    self.$CancelEvent = function (event) {
        event = self.$GetEvent(event);

        // technique from:
        // http://blog.paranoidferret.com/index.php/2007/08/10/javascript-working-with-events/

        if (event.preventDefault) {
            event.preventDefault();     // W3C for preventing default
        }

        event.cancel = true;            // legacy for preventing default
        event.returnValue = false;      // IE for preventing default
    };

    self.$StopEvent = function (event) {
        event = self.$GetEvent(event);

        // technique from:
        // http://blog.paranoidferret.com/index.php/2007/08/10/javascript-working-with-events/

        if (event.stopPropagation) {
            event.stopPropagation();    // W3C for stopping propagation
        }

        event.cancelBubble = true;      // IE for stopping propagation
    };

    self.$CreateCallback = function (object, method) {
        // create callback args
        var initialArgs = [];
        for (var i = 2; i < arguments.length; i++) {
            initialArgs.push(arguments[i]);
        }

        // create closure to apply method
        var callback = function () {
            // concatenate new args, but make a copy of initialArgs first
            var args = initialArgs.concat([]);
            for (var i = 0; i < arguments.length; i++) {
                args.push(arguments[i]);
            }

            return method.apply(object, args);
        };

        $JssorDebug$.$LiveStamp(callback, "callback_" + ($JssorUtils$.$GetNow() & 11111111));

        return callback;
    };

    var _Freeer;
    self.$FreeElement = function (elmt) {
        if (!_Freeer)
            _Freeer = self.$CreateDivElement();

        if (elmt) {
            $JssorUtils$.$AppendChild(_Freeer, elmt);
            $JssorUtils$.$ClearInnerHtml(_Freeer);
        }
    };

    self.$SetInnerText = function (elmt, text) {
        var textNode = document.createTextNode(text);
        self.$ClearInnerHtml(elmt);
        elmt.appendChild(textNode);
    };

    self.$GetInnerText = function (elmt) {
        return elmt.textContent || elmt.innerText;
    };

    self.$GetInnerHtml = function (elmt) {
        return elmt.innerHTML;
    };

    self.$SetInnerHtml = function (elmt, html) {
        elmt.innerHTML = html;
    };

    self.$ClearInnerHtml = function (elmt) {
        elmt.innerHTML = "";
    };

    self.$EncodeHtml = function (text) {
        var div = self.$CreateDivElement();
        self.$SetInnerText(div, text);
        return self.$GetInnerHtml(div);
    };

    self.$DecodeHtml = function (html) {
        var div = self.$CreateDivElement();
        self.$SetInnerHtml(div, html);
        return self.$GetInnerText(div);
    };

    self.$SelectElement = function (elmt) {
        var userSelection;
        if (window.getSelection) {
            //W3C default
            userSelection = window.getSelection();
        }
        var theRange = null;
        if (document.createRange) {
            theRange = document.createRange();
            theRange.selectNode(elmt);
        }
        else {
            theRange = document.body.createTextRange();
            theRange.moveToElementText(elmt);
            theRange.select();
        }
        //set user selection
        if (userSelection)
            userSelection.addRange(theRange);
    };

    self.$DeselectElements = function () {
        if (document.selection) {
            document.selection.empty();
        } else if (window.getSelection) {
            window.getSelection().removeAllRanges();
        }
    };

    self.$GetChildren = function (elmt) {
        var children = [];

        for (var tmpEl = elmt.firstChild; tmpEl; tmpEl = tmpEl.nextSibling) {
            if (tmpEl.nodeType == 1) {
                children.push(tmpEl);
            }
        }

        return children;
    };

    function FindFirstChildByAttribute(elmt, attrValue, attrName, deep) {
        if (!attrName)
            attrName = "u";

        for (elmt = elmt ? elmt.firstChild : null; elmt; elmt = elmt.nextSibling) {
            if (elmt.nodeType == 1) {
                if (self.$GetAttributeEx(elmt, attrName) == attrValue)
                    return elmt;

                if (deep) {
                    var childRet = FindFirstChildByAttribute(elmt, attrValue, attrName, deep);
                    if (childRet)
                        return childRet;
                }
            }
        }
    }

    self.$FindFirstChildByAttribute = FindFirstChildByAttribute;

    function FindChildrenByAttribute(elmt, attrValue, attrName, deep) {
        if (!attrName)
            attrName = "u";

        var ret = [];

        for (elmt = elmt ? elmt.firstChild : null; elmt; elmt = elmt.nextSibling) {
            if (elmt.nodeType == 1) {
                if (self.$GetAttributeEx(elmt, attrName) == attrValue)
                    ret.push(elmt);

                if (deep) {
                    var childRet = FindChildrenByAttribute(elmt, attrValue, attrName, deep);
                    if (childRet.length)
                        ret = ret.concat(childRet);
                }
            }
        }

        return ret;
    }

    self.$FindChildrenByAttribute = FindChildrenByAttribute;

    function FindFirstChildByTag(elmt, tagName, deep) {

        for (elmt = elmt ? elmt.firstChild : null; elmt; elmt = elmt.nextSibling) {
            if (elmt.nodeType == 1) {
                if (elmt.tagName == tagName)
                    return elmt;

                if (deep) {
                    var childRet = FindFirstChildByTag(elmt, tagName, deep);
                    if (childRet)
                        return childRet;
                }
            }
        }
    }

    self.$FindFirstChildByTag = FindFirstChildByTag;

    function FindChildrenByTag(elmt, tagName, deep) {
        var ret = [];

        for (elmt = elmt ? elmt.firstChild : null; elmt; elmt = elmt.nextSibling) {
            if (elmt.nodeType == 1) {
                if (!tagName || elmt.tagName == tagName)
                    ret.push(elmt);

                if (deep) {
                    var childRet = FindChildrenByTag(elmt, tagName, true);
                    if (childRet.length)
                        ret = ret.concat(childRet);
                }
            }
        }

        return ret;
    }

    self.$FindChildrenByTag = FindChildrenByTag;

    self.$GetElementsByTagName = function (elmt, tagName) {
        return elmt.getElementsByTagName(tagName);
    };

    self.$Extend = function (target) {
        for (var i = 1; i < arguments.length; i++) {

            var options = arguments[i];

            // Only deal with non-null/undefined values
            if (options) {
                // Extend the base object
                for (var name in options) {
                    target[name] = options[name];
                }
            }
        }

        // Return the modified object
        return target;
    };

    self.$Unextend = function (target, options) {
        $JssorDebug$.$Assert(options);

        var unextended = {};

        // Extend the base object
        for (var name in target) {
            if (target[name] != options[name]) {
                unextended[name] = target[name];
            }
        }

        // Return the modified object
        return unextended;
    };

    self.$IsUndefined = function (obj) {
        return type(obj) == "undefined";
    };

    self.$IsFunction = function (obj) {
        return type(obj) == "function";
    };

    self.$IsArray = Array.isArray || function (obj) {
        return type(obj) == "array";
    };

    self.$IsString = function (obj) {
        return type(obj) == "string";
    };

    self.$IsNumeric = function (obj) {
        return !isNaN(parseFloat(obj)) && isFinite(obj);
    };

    self.$IsWindow = function (obj) {
        return obj != null && obj == obj.window;
    };

    self.$Type = type;

    // args is for internal usage only
    self.$Each = each;

    self.$IsPlainObject = isPlainObject;

    self.$CreateDivElement = function (doc) {
        return self.$CreateElement("DIV", doc);
    };

    self.$CreateSpanElement = function (doc) {
        return self.$CreateElement("SPAN", doc);
    };

    self.$CreateElement = function (tagName, doc) {
        doc = doc || document;
        return doc.createElement(tagName);
    };

    self.$EmptyFunction = function () { };

    self.$GetAttribute = function (elmt, name) {
        return elmt.getAttribute(name);
    };

    self.$GetAttributeEx = function (elmt, name) {
        return self.$GetAttribute(elmt, name) || self.$GetAttribute(elmt, "data-" + name);
    };

    self.$SetAttribute = function (elmt, name, value) {
        elmt.setAttribute(name, value);
    };

    self.$GetClassName = function (elmt) {
        return elmt.className;
    };

    self.$SetClassName = function (elmt, className) {
        elmt.className = className || "";
    };

    self.$GetParentNode = function (elmt) {
        return elmt.parentNode;
    };

    self.$HideElement = function (elmt) {
        self.$CssDisplay(elmt, "none");
    };

    self.$HideElements = function (elmts) {
        for (var i = 0; i < elmts.length; i++) {
            self.$HideElement(elmts[i]);
        }
    };

    self.$ShowElement = function (elmt, show) {
        self.$CssDisplay(elmt, show == false ? "none" : "");
    };

    self.$ShowElements = function (elmts) {
        for (var i = 0; i < elmts.length; i++) {
            self.$ShowElement(elmts[i]);
        }
    };

    self.$RemoveAttribute = function (elmt, attrbuteName) {
        elmt.removeAttribute(attrbuteName);
    };

    self.$CanClearClip = function () {
        //return !IsBrowserIE() || browserEngineVersion > 9 || (browserRuntimeVersion > 7 && !IsBrowserIeQuirks());
        return IsBrowserIE() && browserRuntimeVersion < 10;
    };

    self.$SetStyleClip = function (elmt, clip) {
        if (clip) {
            elmt.style.clip = "rect(" + Math.round(clip.$Top) + "px " + Math.round(clip.$Right) + "px " + Math.round(clip.$Bottom) + "px " + Math.round(clip.$Left) + "px)";
        }
        else {
            var cssText = elmt.style.cssText;
            var clipRegs = [
                new RegExp(/[\s]*clip: rect\(.*?\)[;]?/i),
                new RegExp(/[\s]*cliptop: .*?[;]?/i),
                new RegExp(/[\s]*clipright: .*?[;]?/i),
                new RegExp(/[\s]*clipbottom: .*?[;]?/i),
                new RegExp(/[\s]*clipleft: .*?[;]?/i)
            ];

            var newCssText = BuildNewCss(cssText, clipRegs, "");

            $JssorUtils$.$CssCssText(elmt, newCssText);
        }
    };

    self.$GetNow = function () {
        return new Date().getTime();
    };

    self.$AppendChild = function (elmt, child) {
        elmt.appendChild(child);
    };

    self.$AppendChildren = function (elmt, children) {
        each(children, function (child) {
            self.$AppendChild(elmt, child);
        });
    };

    self.$InsertBefore = function (elmt, child, refObject) {
        elmt.insertBefore(child, refObject);
    };

    self.$InsertAdjacentHtml = function (elmt, where, text) {
        elmt.insertAdjacentHTML(where, text);
    };

    self.$RemoveChild = function (elmt, child) {
        elmt.removeChild(child);
    };

    self.$RemoveChildren = function (elmt, children) {
        each(children, function (child) {
            self.$RemoveChild(elmt, child);
        });
    };

    self.$ClearChildren = function (elmt) {
        self.$RemoveChildren(elmt, self.$GetChildren(elmt));
    };

    self.$ParseInt = function (str, radix) {
        return parseInt(str, radix || 10);
    };

    self.$ParseFloat = function (str) {
        return parseFloat(str);
    };

    self.$IsChild = function (elmtA, elmtB) {
        var body = document.body;
        while (elmtB && elmtA != elmtB && body != elmtB) {
            try {
                elmtB = elmtB.parentNode;
            } catch (e) {
                // Firefox sometimes fires events for XUL elements, which throws
                // a "permission denied" error. so this is not a child.
                return false;
            }
        }
        return elmtA == elmtB;
    };

    self.$ToLowerCase = function (value) {
        if (value)
            value = value.toLowerCase();

        return value;
    };

    self.$CloneNode = function (elmt, deep) {
        return elmt.cloneNode(deep);
    };

    function LoadImageCallback(callback, image, abort) {
        image.onload = null;
        image.abort = null;

        if (callback)
            callback(image, abort);
    }

    self.$LoadImage = function (src, callback) {
        if (self.$IsBrowserOpera() && browserRuntimeVersion < 11.6 || !src) {
            LoadImageCallback(callback, null);
        }
        else {
            var image = new Image();
            image.onload = self.$CreateCallback(null, LoadImageCallback, callback, image);
            image.onabort = self.$CreateCallback(null, LoadImageCallback, callback, image, true);
            image.src = src;
        }
    };

    self.$LoadImages = function (imageElmts, mainImageElmt, callback) {

        var _ImageLoading = imageElmts.length + 1;

        function LoadImageCompleteEventHandler(image, abort) {
            _ImageLoading--;
            if (mainImageElmt && image && image.src == mainImageElmt.src)
                mainImageElmt = image;
            !_ImageLoading && callback && callback(mainImageElmt);
        }

        $JssorUtils$.$Each(imageElmts, function (imageElmt) {
            $JssorUtils$.$LoadImage(imageElmt.src, LoadImageCompleteEventHandler);
        });

        LoadImageCompleteEventHandler();
    };

    self.$BuildElement = function (template, tagName, replacer, createCopy) {
        if (createCopy)
            template = $JssorUtils$.$CloneNode(template, true);

        var templateHolders = $JssorUtils$.$GetElementsByTagName(template, tagName);
        for (var j = templateHolders.length - 1; j > -1; j--) {
            var templateHolder = templateHolders[j];
            var replaceItem = $JssorUtils$.$CloneNode(replacer, true);
            $JssorUtils$.$SetClassName(replaceItem, $JssorUtils$.$GetClassName(templateHolder));
            $JssorUtils$.$CssCssText(replaceItem, templateHolder.style.cssText);

            var thumbnailPlaceHolderParent = $JssorUtils$.$GetParentNode(templateHolder);
            $JssorUtils$.$InsertBefore(thumbnailPlaceHolderParent, replaceItem, templateHolder);
            $JssorUtils$.$RemoveChild(thumbnailPlaceHolderParent, templateHolder);
        }

        return template;
    };

    var _MouseDownButtons;
    var _MouseOverButtons = [];
    function JssorButtonEx(elmt) {
        var _Self = this;

        var _OriginClassName;

        var _IsMouseDown;   //class name 'dn'
        var _IsActive;      //class name 'av'

        function Highlight() {
            var className = _OriginClassName;

            if (_IsMouseDown) {
                className += 'dn';
            }
            else if (_IsActive) {
                className += "av";
            }

            $JssorUtils$.$SetClassName(elmt, className);
        }

        function OnMouseDown(event) {
            _MouseDownButtons.push(_Self);

            _IsMouseDown = true;

            Highlight();
        }

        _Self.$MouseUp = function () {
            ///	<summary>
            ///		Internal member function, do not use it.
            ///	</summary>
            ///	<private />

            _IsMouseDown = false;

            Highlight();
        };

        _Self.$Activate = function (activate) {
            _IsActive = activate;

            Highlight();
        };

        //JssorButtonEx Constructor
        {
            elmt = self.$GetElement(elmt);

            if (!_MouseDownButtons) {
                self.$AddEventBrowserMouseUp(function () {
                    var oldMouseDownButtons = _MouseDownButtons;
                    _MouseDownButtons = [];

                    each(oldMouseDownButtons, function (button) {
                        button.$MouseUp();
                    });
                });

                _MouseDownButtons = [];
            }

            _OriginClassName = self.$GetClassName(elmt);

            $JssorUtils$.$AddEvent(elmt, "mousedown", OnMouseDown);
        }
    }

    self.$Buttonize = function (elmt) {
        return new JssorButtonEx(elmt);
    };

    self.$Css = Css;
    self.$CssN = CssN;
    self.$CssP = CssP;

    self.$CssOverflow = CssProxy("overflow");

    self.$CssTop = CssProxy("top", 2);
    self.$CssLeft = CssProxy("left", 2);
    self.$CssWidth = CssProxy("width", 2);
    self.$CssHeight = CssProxy("height", 2);
    self.$CssMarginLeft = CssProxy("marginLeft", 2);
    self.$CssMarginTop = CssProxy("marginTop", 2);
    self.$CssPosition = CssProxy("position");
    self.$CssDisplay = CssProxy("display");
    self.$CssZIndex = CssProxy("zIndex", 1);
    self.$CssFloat = function (elmt, float) {
        return Css(elmt, IsBrowserIE() ? "styleFloat" : "cssFloat", float);
    };
    self.$CssOpacity = function (elmt, opacity, ie9EarlierForce) {
        if (opacity != undefined) {
            SetStyleOpacity(elmt, opacity, ie9EarlierForce);
        }
        else {
            return GetStyleOpacity(elmt);
        }
    };
    self.$CssCssText = function (elmt, text) {
        if (text != undefined) {
            elmt.style.cssText = text;
        }
        else {
            return elmt.style.cssText;
        }
    };

    var _StyleGetter = {
        $Opacity: self.$CssOpacity,
        $Top: self.$CssTop,
        $Left: self.$CssLeft,
        $Width: self.$CssWidth,
        $Height: self.$CssHeight,
        $Position: self.$CssPosition,
        $Display: self.$CssDisplay,
        $ZIndex: self.$CssZIndex
    };

    //var _StyleGetter = {
    //    $Opacity: self.$GetStyleOpacity,
    //    $Top: self.$GetStyleTop,
    //    $Left: self.$GetStyleLeft,
    //    $Width: self.$GetStyleWidth,
    //    $Height: self.$GetStyleHeight,
    //    $Position: self.$GetStylePosition,
    //    $Display: self.$GetStyleDisplay,
    //    $ZIndex: self.$GetStyleZIndex
    //};

    var _StyleSetterReserved;

    //var _StyleSetterReserved = {
    //    $Opacity: self.$SetStyleOpacity,
    //    $Top: self.$SetStyleTop,
    //    $Left: self.$SetStyleLeft,
    //    $Width: self.$SetStyleWidth,
    //    $Height: self.$SetStyleHeight,
    //    $Display: self.$SetStyleDisplay,
    //    $Clip: self.$SetStyleClip,
    //    $MarginLeft: self.$SetStyleMarginLeft,
    //    $MarginTop: self.$SetStyleMarginTop,
    //    $Transform: self.$SetStyleTransform,
    //    $Position: self.$SetStylePosition,
    //    $ZIndex: self.$SetStyleZIndex
    //};

    function GetStyleSetter() {
        if (!_StyleSetterReserved) {
            _StyleSetterReserved = self.$Extend({
                $MarginTop: self.$CssMarginTop,
                $MarginLeft: self.$CssMarginLeft,
                $Clip: self.$SetStyleClip,
                $Transform: self.$SetStyleTransform
            }, _StyleGetter);
        }
        return _StyleSetterReserved;
    }

    function GetStyleSetterEx() {
        GetStyleSetter();

        //For Compression Only
        _StyleSetterReserved.$Transform = _StyleSetterReserved.$Transform;

        return _StyleSetterReserved;
    }

    self.$GetStyleSetter = GetStyleSetter;

    self.$GetStyleSetterEx = GetStyleSetterEx;

    self.$GetStyles = function (elmt, originStyles) {
        GetStyleSetter();

        var styles = {};

        each(originStyles, function (value, key) {
            if (_StyleGetter[key]) {
                styles[key] = _StyleGetter[key](elmt);
            }
        });

        return styles;
    };

    self.$SetStyles = function (elmt, styles) {
        var styleSetter = GetStyleSetter();

        each(styles, function (value, key) {
            styleSetter[key] && styleSetter[key](elmt, value);
        });
    };

    self.$SetStylesEx = function (elmt, styles) {
        GetStyleSetterEx();

        self.$SetStyles(elmt, styles);
    };

    $JssorMatrix$ = new function () {
        var _This = this;

        function Multiply(ma, mb) {
            var acs = ma[0].length;
            var rows = ma.length;
            var cols = mb[0].length;

            var matrix = [];

            for (var r = 0; r < rows; r++) {
                var row = matrix[r] = [];
                for (var c = 0; c < cols; c++) {
                    var unitValue = 0;

                    for (var ac = 0; ac < acs; ac++) {
                        unitValue += ma[r][ac] * mb[ac][c];
                    }

                    row[c] = unitValue;
                }
            }

            return matrix;
        }

        _This.$ScaleX = function (matrix, sx) {
            return _This.$ScaleXY(matrix, sx, 0);
        };

        _This.$ScaleY = function (matrix, sy) {
            return _This.$ScaleXY(matrix, 0, sy);
        };

        _This.$ScaleXY = function (matrix, sx, sy) {
            return Multiply(matrix, [[sx, 0], [0, sy]]);
        };

        _This.$TransformPoint = function (matrix, p) {
            var pMatrix = Multiply(matrix, [[p.x], [p.y]]);

            return new $JssorPoint$(pMatrix[0][0], pMatrix[1][0]);
        };
    };

    self.$CreateMatrix = function (alpha, scaleX, scaleY) {
        var cos = Math.cos(alpha);
        var sin = Math.sin(alpha);
        //var r11 = cos;
        //var r21 = sin;
        //var r12 = -sin;
        //var r22 = cos;

        //var m11 = cos * scaleX;
        //var m12 = -sin * scaleY;
        //var m21 = sin * scaleX;
        //var m22 = cos * scaleY;

        return [[cos * scaleX, -sin * scaleY], [sin * scaleX, cos * scaleY]];
    };

    self.$GetMatrixOffset = function (matrix, width, height) {
        var p1 = $JssorMatrix$.$TransformPoint(matrix, new $JssorPoint$(-width / 2, -height / 2));
        var p2 = $JssorMatrix$.$TransformPoint(matrix, new $JssorPoint$(width / 2, -height / 2));
        var p3 = $JssorMatrix$.$TransformPoint(matrix, new $JssorPoint$(width / 2, height / 2));
        var p4 = $JssorMatrix$.$TransformPoint(matrix, new $JssorPoint$(-width / 2, height / 2));

        return new $JssorPoint$(Math.min(p1.x, p2.x, p3.x, p4.x) + width / 2, Math.min(p1.y, p2.y, p3.y, p4.y) + height / 2);
    };
};

$JssorAnimator$ = function (delay, duration, options, elmt, fromStyles, toStyles) {
    delay = delay || 0;

    var _This = this;
    var _AutoPlay;
    var _Hiden;
    var _CombineMode;
    var _PlayToPosition;
    var _PlayDirection;
    var _NoStop;
    var _TimeStampLastFrame = 0;

    var _SubEasings;
    var _SubRounds;
    var _SubDurings;
    var _Callback;

    var _Position_Current = 0;
    var _Position_Display = 0;
    var _Hooked;

    var _Position_InnerBegin = delay;
    var _Position_InnerEnd = delay + duration;
    var _Position_OuterBegin;
    var _Position_OuterEnd;
    var _LoopLength;

    var _NestedAnimators = [];
    var _StyleSetter;

    function GetPositionRange(position, begin, end) {
        var range = 0;

        if (position < begin)
            range = -1;

        else if (position > end)
            range = 1;

        return range;
    }

    function GetInnerPositionRange(position) {
        return GetPositionRange(position, _Position_InnerBegin, _Position_InnerEnd);
    }

    function GetOuterPositionRange(position) {
        return GetPositionRange(position, _Position_OuterBegin, _Position_OuterEnd);
    }

    function Shift(offset) {
        _Position_OuterBegin += offset;
        _Position_OuterEnd += offset;
        _Position_InnerBegin += offset;
        _Position_InnerEnd += offset;

        _Position_Current += offset;
        _Position_Display += offset;

        $JssorUtils$.$Each(_NestedAnimators, function (animator) {
            animator, animator.$Shift(offset);
        });
    }

    function Locate(position, relative) {
        var offset = position - _Position_OuterBegin + delay * relative;

        Shift(offset);

        //$JssorDebug$.$Execute(function () {
        //    _This.$Position_InnerBegin = _Position_InnerBegin;
        //    _This.$Position_InnerEnd = _Position_InnerEnd;
        //    _This.$Position_OuterBegin = _Position_OuterBegin;
        //    _This.$Position_OuterEnd = _Position_OuterEnd;
        //});

        return _Position_OuterEnd;
    }

    function GoToPosition(positionOuter, force) {
        var trimedPositionOuter = positionOuter;

        if (_LoopLength && (trimedPositionOuter >= _Position_OuterEnd || trimedPositionOuter <= _Position_OuterBegin)) {
            trimedPositionOuter = ((trimedPositionOuter - _Position_OuterBegin) % _LoopLength + _LoopLength) % _LoopLength + _Position_OuterBegin;
        }

        if (!_Hooked || _NoStop || force || _Position_Current != trimedPositionOuter) {

            var positionToDisplay = Math.min(trimedPositionOuter, _Position_OuterEnd);
            positionToDisplay = Math.max(positionToDisplay, _Position_OuterBegin);

            if (!_Hooked || _NoStop || force || positionToDisplay != _Position_Display) {
                if (toStyles) {
                    var currentStyles = toStyles;

                    if (fromStyles) {
                        var interPosition = (positionToDisplay - _Position_InnerBegin) / (duration || 1);
                        if (options.$Optimize && $JssorUtils$.$IsBrowserChrome() && duration)
                            interPosition = Math.round(interPosition * duration / 16) / duration * 16;
                        if (options.$Reverse)
                            interPosition = 1 - interPosition;

                        currentStyles = {};

                        for (var key in toStyles) {
                            var round = _SubRounds[key] || 1;
                            var during = _SubDurings[key] || [0, 1];
                            var propertyInterPosition = (interPosition - during[0]) / during[1];
                            propertyInterPosition = Math.min(Math.max(propertyInterPosition, 0), 1);
                            propertyInterPosition = propertyInterPosition * round;
                            var floorPosition = Math.floor(propertyInterPosition);
                            if (propertyInterPosition != floorPosition)
                                propertyInterPosition -= floorPosition;

                            var easing = _SubEasings[key] || _SubEasings.$Default;
                            var easingValue = easing(propertyInterPosition);
                            var currentPropertyValue;
                            var value = fromStyles[key];
                            var toValue = toStyles[key];

                            if ($JssorUtils$.$IsNumeric(toValue)) {
                                currentPropertyValue = value + (toValue - value) * easingValue;
                            }
                            else {
                                currentPropertyValue = $JssorUtils$.$Extend({ $Offset: {} }, fromStyles[key]);

                                $JssorUtils$.$Each(toValue.$Offset, function (rectX, n) {
                                    var offsetValue = rectX * easingValue;
                                    currentPropertyValue.$Offset[n] = offsetValue;
                                    currentPropertyValue[n] += offsetValue;
                                });
                            }
                            currentStyles[key] = currentPropertyValue;
                        }
                    }

                    if (fromStyles.$Zoom) {
                        currentStyles.$Transform = { $Rotate: currentStyles.$Rotate || 0, $Scale: currentStyles.$Zoom, $OriginalWidth: options.$OriginalWidth, $OriginalHeight: options.$OriginalHeight };
                    }

                    if (toStyles.$Clip && options.$Move) {
                        var styleFrameNClipOffset = currentStyles.$Clip.$Offset;

                        var offsetY = (styleFrameNClipOffset.$Top || 0) + (styleFrameNClipOffset.$Bottom || 0);
                        var offsetX = (styleFrameNClipOffset.$Left || 0) + (styleFrameNClipOffset.$Right || 0);

                        currentStyles.$Left = (currentStyles.$Left || 0) + offsetX;
                        currentStyles.$Top = (currentStyles.$Top || 0) + offsetY;
                        currentStyles.$Clip.$Left -= offsetX;
                        currentStyles.$Clip.$Right -= offsetX;
                        currentStyles.$Clip.$Top -= offsetY;
                        currentStyles.$Clip.$Bottom -= offsetY;
                    }

                    if (currentStyles.$Clip && $JssorUtils$.$CanClearClip() && !currentStyles.$Clip.$Top && !currentStyles.$Clip.$Left && (currentStyles.$Clip.$Right == options.$OriginalWidth) && (currentStyles.$Clip.$Bottom == options.$OriginalHeight))
                        currentStyles.$Clip = null;

                    $JssorUtils$.$Each(currentStyles, function (value, key) {
                        _StyleSetter[key] && _StyleSetter[key](elmt, value);
                    });
                }

                _This.$OnInnerOffsetChange(_Position_Display - _Position_InnerBegin, positionToDisplay - _Position_InnerBegin);
            }

            _Position_Display = positionToDisplay;

            $JssorUtils$.$Each(_NestedAnimators, function (animator, i) {
                var nestedAnimator = positionOuter < _Position_Current ? _NestedAnimators[_NestedAnimators.length - i - 1] : animator;
                nestedAnimator.$GoToPosition(positionOuter, force);
            });

            var positionOld = _Position_Current;
            var positionNew = positionOuter;

            _Position_Current = trimedPositionOuter;
            _Hooked = true;

            _This.$OnPositionChange(positionOld, positionNew);
        }
    }

    function Join(animator, combineMode) {
        ///	<summary>
        ///		Combine another animator as nested animator
        ///	</summary>
        ///	<param name="animator" type="$JssorAnimator$">
        ///		An instance of $JssorAnimator$
        ///	</param>
        ///	<param name="combineMode" type="int">
        ///		0: parallel - place the animator parallel to this animator.
        ///		1: chain - chain the animator at the _Position_InnerEnd of this animator.
        ///	</param>
        $JssorDebug$.$Execute(function () {
            if (combineMode !== 0 && combineMode !== 1)
                $JssorDebug$.$Fail("Argument out of range, the value of 'combineMode' should be either 0 or 1.");
        });

        if (combineMode)
            animator.$Locate(_Position_OuterEnd, 1);

        _Position_OuterEnd = Math.max(_Position_OuterEnd, animator.$GetPosition_OuterEnd());
        _NestedAnimators.push(animator);
    }

    function PlayFrame() {
        if (_AutoPlay) {
            var now = $JssorUtils$.$GetNow();
            var timeOffset = Math.min(now - _TimeStampLastFrame, $JssorUtils$.$IsBrowserOpera() ? 80 : 20);
            var timePosition = _Position_Current + timeOffset * _PlayDirection;
            _TimeStampLastFrame = now;

            if (timePosition * _PlayDirection >= _PlayToPosition * _PlayDirection)
                timePosition = _PlayToPosition;

            GoToPosition(timePosition);

            if (!_NoStop && timePosition * _PlayDirection >= _PlayToPosition * _PlayDirection) {
                Stop(_Callback);
            }
            else {
                $JssorUtils$.$Delay(PlayFrame, options.$Interval);
            }
        }
    }

    function PlayToPosition(toPosition, callback, noStop) {
        if (!_AutoPlay) {
            _AutoPlay = true;
            _NoStop = noStop
            _Callback = callback;
            toPosition = Math.max(toPosition, _Position_OuterBegin);
            toPosition = Math.min(toPosition, _Position_OuterEnd);
            _PlayToPosition = toPosition;
            _PlayDirection = _PlayToPosition < _Position_Current ? -1 : 1;
            _This.$OnStart();
            _TimeStampLastFrame = $JssorUtils$.$GetNow();
            PlayFrame();
        }
    }

    function Stop(callback) {
        if (_AutoPlay) {
            _NoStop = _AutoPlay = _Callback = false;
            _This.$OnStop();

            if (callback)
                callback();
        }
    }

    _This.$Play = function (positionLength, callback, noStop) {
        PlayToPosition(positionLength ? _Position_Current + positionLength : _Position_OuterEnd, callback, noStop);
    };

    _This.$PlayToPosition = function (position, callback, noStop) {
        PlayToPosition(position, callback, noStop);
    };

    _This.$PlayToBegin = function (callback, noStop) {
        PlayToPosition(_Position_OuterBegin, callback, noStop);
    };

    _This.$PlayToEnd = function (callback, noStop) {
        PlayToPosition(_Position_OuterEnd, callback, noStop);
    };

    _This.$Stop = function () {
        Stop();
    };

    _This.$Continue = function (toPosition) {
        PlayToPosition(toPosition);
    };

    _This.$GetPosition = function () {
        return _Position_Current;
    };

    _This.$GetPlayToPosition = function () {
        return _PlayToPosition;
    };

    _This.$GetPosition_Display = function () {
        return _Position_Display;
    };

    _This.$GoToPosition = GoToPosition;

    _This.$GoToBegin = function () {
        GoToPosition(_Position_OuterBegin, true);
    };

    _This.$GoToEnd = function () {
        GoToPosition(_Position_OuterEnd, true);
    };

    _This.$Move = function (offset) {
        GoToPosition(_Position_Current + offset);
    };

    _This.$CombineMode = function () {
        return _CombineMode;
    };

    _This.$GetDuration = function () {
        return duration;
    };

    _This.$IsPlaying = function () {
        return _AutoPlay;
    };

    _This.$IsOnTheWay = function () {
        return _Position_Current > _Position_InnerBegin && _Position_Current <= _Position_InnerEnd;
    };

    _This.$SetLoopLength = function (length) {
        _LoopLength = length;
    };

    _This.$Locate = Locate;

    _This.$Shift = Shift;

    _This.$Join = Join;

    _This.$Combine = function (animator) {
        ///	<summary>
        ///		Combine another animator parallel to this animator
        ///	</summary>
        ///	<param name="animator" type="$JssorAnimator$">
        ///		An instance of $JssorAnimator$
        ///	</param>
        Join(animator, 0);
    };

    _This.$Chain = function (animator) {
        ///	<summary>
        ///		Chain another animator at the _Position_InnerEnd of this animator
        ///	</summary>
        ///	<param name="animator" type="$JssorAnimator$">
        ///		An instance of $JssorAnimator$
        ///	</param>
        Join(animator, 1);
    };

    _This.$GetPosition_InnerBegin = function () {
        ///	<summary>
        ///		Internal member function, do not use it.
        ///	</summary>
        ///	<private />
        ///	<returns type="int" />
        return _Position_InnerBegin;
    };

    _This.$GetPosition_InnerEnd = function () {
        ///	<summary>
        ///		Internal member function, do not use it.
        ///	</summary>
        ///	<private />
        ///	<returns type="int" />
        return _Position_InnerEnd;
    };

    _This.$GetPosition_OuterBegin = function () {
        ///	<summary>
        ///		Internal member function, do not use it.
        ///	</summary>
        ///	<private />
        ///	<returns type="int" />
        return _Position_OuterBegin;
    };

    _This.$GetPosition_OuterEnd = function () {
        ///	<summary>
        ///		Internal member function, do not use it.
        ///	</summary>
        ///	<private />
        ///	<returns type="int" />
        return _Position_OuterEnd;
    };

    _This.$OnPositionChange = $JssorUtils$.$EmptyFunction;
    _This.$OnStart = $JssorUtils$.$EmptyFunction;
    _This.$OnStop = $JssorUtils$.$EmptyFunction;
    _This.$OnInnerOffsetChange = $JssorUtils$.$EmptyFunction;
    _This.$Version = $JssorUtils$.$GetNow();

    //Constructor`  1
    {
        options = $JssorUtils$.$Extend({
            $Interval: 16
        }, options);

        //Sodo statement, for development time intellisence only
        $JssorDebug$.$Execute(function () {
            options = $JssorUtils$.$Extend({
                $LoopLength: undefined,
                $Setter: undefined,
                $Easing: undefined
            }, options);
        });

        _LoopLength = options.$LoopLength;

        _StyleSetter = $JssorUtils$.$Extend({}, $JssorUtils$.$GetStyleSetter(), options.$Setter);

        _Position_OuterBegin = _Position_InnerBegin = delay;
        _Position_OuterEnd = _Position_InnerEnd = delay + duration;

        var _SubRounds = options.$Round || {};
        var _SubDurings = options.$During || {};
        _SubEasings = $JssorUtils$.$Extend({ $Default: $JssorUtils$.$IsFunction(options.$Easing) && options.$Easing || $JssorEasing$.$EaseSwing }, options.$Easing);
    }
};

function $JssorPlayerClass$() {

    var _SelfPlayer = this;
    var _PlayerControllers = [];

    function PlayerController(playerElement) {
        var _SelfPlayerController = this;
        var _PlayerInstance;
        var _PlayerInstantces = [];

        function OnPlayerInstanceDataAvailable(event) {
            var srcElement = $JssorUtils$.$GetEventSrcElement(event);
            _PlayerInstance = srcElement.pInstance;

            $JssorUtils$.$RemoveEvent(srcElement, "dataavailable", OnPlayerInstanceDataAvailable);
            $JssorUtils$.$Each(_PlayerInstantces, function (playerInstance) {
                if (playerInstance != _PlayerInstance) {
                    playerInstance.$Remove();
                }
            });

            playerElement.pTagName = _PlayerInstance.tagName;
            _PlayerInstantces = null;
        }

        function HandlePlayerInstance(playerInstanceElement) {
            var playerHandler;

            if (!playerInstanceElement.pInstance) {
                var playerHandlerAttribute = $JssorUtils$.$GetAttributeEx(playerInstanceElement, "pHandler");

                if ($JssorPlayer$[playerHandlerAttribute]) {
                    $JssorUtils$.$AddEvent(playerInstanceElement, "dataavailable", OnPlayerInstanceDataAvailable);
                    playerHandler = new $JssorPlayer$[playerHandlerAttribute](playerElement, playerInstanceElement);
                    _PlayerInstantces.push(playerHandler);

                    $JssorDebug$.$Execute(function () {
                        if ($JssorUtils$.$Type(playerHandler.$Remove) != "function") {
                            $JssorDebug$.$Fail("'pRemove' interface not implemented for player handler '" + playerHandlerAttribute + "'.");
                        }
                    });
                }
            }

            return playerHandler;
        }

        _SelfPlayerController.$InitPlayerController = function () {
            if (!playerElement.pInstance && !HandlePlayerInstance(playerElement)) {

                var playerInstanceElements = $JssorUtils$.$GetChildren(playerElement);

                $JssorUtils$.$Each(playerInstanceElements, function (playerInstanceElement) {
                    HandlePlayerInstance(playerInstanceElement);
                });
            }
        };
    }

    _SelfPlayer.$EVT_SWITCH = 21;

    _SelfPlayer.$FetchPlayers = function (elmt) {
        elmt = elmt || document.body;

        var playerElements = $JssorUtils$.$FindChildrenByAttribute(elmt, "player", null, true);

        $JssorUtils$.$Each(playerElements, function (playerElement) {
            if (!_PlayerControllers[playerElement.pId]) {
                playerElement.pId = _PlayerControllers.length;
                _PlayerControllers.push(new PlayerController(playerElement));
            }
            var playerController = _PlayerControllers[playerElement.pId];
            playerController.$InitPlayerController();
        });
    };
}