﻿// Detect Client Browser type
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;
// JavaScript helper required to detect Flash Player PlugIn version information
function JSGetSwfVer(i)
{
    // 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;
    return flashVer;
}
// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
    reqVer = parseFloat(reqMajorVer + "." + reqRevision);
    // loop backwards through the versions until we find the newest version
    for (i = 25; i > 0; i--)
    {
        if (isIE && isWin && !isOpera)
        {
            versionStr = VBGetSwfVer(i);
        } else
        {
            versionStr = JSGetSwfVer(i);
        }
        if (versionStr == -1)
        {
            return false;
        } else if (versionStr != 0)
        {
            if (isIE && isWin && !isOpera)
            {
                tempArray = versionStr.split(" ");
                tempString = tempArray[1];
                versionArray = tempString.split(",");
            } else
            {
                versionArray = versionStr.split(".");
            }
            var versionMajor = versionArray[0];
            var versionMinor = versionArray[1];
            var versionRevision = versionArray[2];
            var versionString = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
            var versionNum = parseFloat(versionString);
            // is the major.revision >= requested major.revision AND the minor version >= requested minor
            if (versionMajor > reqMajorVer)
            {
                return true;
            } else if (versionMajor == reqMajorVer)
            {
                if (versionMinor > reqMinorVer)
                    return true;
                else if (versionMinor == reqMinorVer)
                {
                    if (versionRevision >= reqRevision)
                        return true;
                }
            }
            return false;
        }
    }
}