if (typeof(Flash) == 'undefined') {
    var Flash = {};
}

(function () {
    // Flash Player Version Detection - Rev 1.5
    // Detect Client Browser type
    // Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved.
    var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
    var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
    var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

    function ControlVersion()
    {
        var version;
        var axo;
        var e;

        // NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

        try {
            // version will be set for 7.X or greater players
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
            version = axo.GetVariable("$version");
        } catch (e) {
        }

        if (!version)
        {
            try {
                // version will be set for 6.X players only
                axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");

                // installed player is some revision of 6.0
                // GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
                // so we have to be careful. 

                // default to the first public version
                version = "WIN 6,0,21,0";

                // throws if AllowScripAccess does not exist (introduced in 6.0r47)
                axo.AllowScriptAccess = "always";

                // safe to call for 6.0r47 or greater
                version = axo.GetVariable("$version");

            } catch (e) {
            }
        }

        if (!version)
        {
            try {
                // version will be set for 4.X or 5.X player
                axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
                version = axo.GetVariable("$version");
            } catch (e) {
            }
        }

        if (!version)
        {
            try {
                // version will be set for 3.X player
                axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
                version = "WIN 3,0,18,0";
            } catch (e) {
            }
        }

        if (!version)
        {
            try {
                // version will be set for 2.X player
                axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
                version = "WIN 2,0,0,11";
            } catch (e) {
                version = -1;
            }
        }

        return version;
    }

    // JavaScript helper required to detect Flash Player PlugIn version information
    function GetSwfVer(){
        // NS/Opera version >= 3 check for Flash plugin in plugin array
        var flashVer = -1;

        if (navigator.plugins != null && navigator.plugins.length > 0) {
            if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
                var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
                var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
                var descArray = flashDescription.split(" ");
                var tempArrayMajor = descArray[2].split(".");
                var versionMajor = tempArrayMajor[0];
                var versionMinor = tempArrayMajor[1];
                if ( descArray[3] != "" ) {
                    tempArrayMinor = descArray[3].split("r");
                } else {
                    tempArrayMinor = descArray[4].split("r");
                }
                var versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
                var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
            }
        }
        // MSN/WebTV 2.6 supports Flash 4
        else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
        // WebTV 2.5 supports Flash 3
        else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
        // older WebTV supports Flash 2
        else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
        else if ( isIE && isWin && !isOpera ) {
            flashVer = ControlVersion();
        }
        return flashVer;
    }

    // When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
    function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
    {
        versionStr = GetSwfVer();
        if (versionStr == -1 ) {
            return false;
        } else if (versionStr != 0) {
            if(isIE && isWin && !isOpera) {
                // Given "WIN 2,0,0,11"
                tempArray         = versionStr.split(" ");     // ["WIN", "2,0,0,11"]
                tempString        = tempArray[1];            // "2,0,0,11"
                versionArray      = tempString.split(",");    // ['2', '0', '0', '11']
            } else {
                versionArray      = versionStr.split(".");
            }
            var versionMajor      = versionArray[0];
            var versionMinor      = versionArray[1];
            var versionRevision   = versionArray[2];

            // is the major.revision >= requested major.revision AND the minor version >= requested minor
            if (versionMajor > parseFloat(reqMajorVer)) {
                return true;
            } else if (versionMajor == parseFloat(reqMajorVer)) {
                if (versionMinor > parseFloat(reqMinorVer))
                    return true;
                else if (versionMinor == parseFloat(reqMinorVer)) {
                    if (versionRevision >= parseFloat(reqRevision))
                        return true;
                }
            }
            return false;
        }
    }

    Flash.VERSION = GetSwfVer();
    Flash.require = DetectFlashVer;
})();
