﻿
function GetSwfIeVersion() {
    var version;
    var axo;
    var e;
    try {
        axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
        return 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
            return 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");
            return axo.GetVariable("$version");
        } catch (e) {
        }
    }

    if (!version) {
        try {
            // version will be set for 3.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
            return "WIN 3,0,18,0";
        } catch (e) {
        }
    }

    if (!version) {
        try {
            // version will be set for 2.X player
            axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
            return "WIN 2,0,0,11";
        } catch (e) {
            version = -1;
        }
    }

    return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVersion() {

    try {

        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;

        // 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];
                var versionRevision = descArray[3];
                if (versionRevision == "") {
                    versionRevision = descArray[4];
                }
                if (versionRevision[0] == "d") {
                    versionRevision = versionRevision.substring(1);
                } else if (versionRevision[0] == "r") {
                    versionRevision = versionRevision.substring(1);
                    if (versionRevision.indexOf("d") > 0) {
                        versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
                    }
                }
                var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
                //alert("flashVer="+flashVer);
            }
        }
        // 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 = GetSwfIeVersion(); //alert("control version="+flashVer);
        }
        return flashVer;
    } catch (e) {
        return "";
    }
}
