var requiredMajorVersion = 8;       // Required Flash major version
var requiredMinorVersion = 0;       // Required Flash minor version
var requiredRevision     = 0;       // Required Flash revision
var jsVersion            = 1.1;     // Supported version of javascript

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
    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;

            descArray      = flashDescription.split(" ");
            tempArrayMajor = descArray[2].split(".");
            versionMajor   = tempArrayMajor[0];
            versionMinor   = tempArrayMajor[1];

            if(descArray[3] != "")
            {
                tempArrayMinor = descArray[3].split("r");
            }
            else
            {
                tempArrayMinor = descArray[4].split("r");
            }

            versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
            flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
        }
        else
        {
            flashVer = -1;
        }
    }

    // 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;
    // Can't detect in all other cases
    else
    {
        flashVer = -1;
    }

    return flashVer;
}

// If called with no parameters this function returns a floating point value
// which should be the version of the Flash Player or 0.0
// ex: Flash Player 7r14 returns 7.14
// If 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(".");
            }

            versionMajor      = versionArray[0];
            versionMinor      = versionArray[1];
            versionRevision   = versionArray[2];

            versionString     = versionMajor + "." + versionRevision;   // 7.0r24 == 7.24
            versionNum        = parseFloat(versionString);

            // is the major.revision >= requested major.revision AND the minor version >= requested minor
            if((versionMajor > reqMajorVer) && (versionNum >= reqVer))
            {
                return true;
            }
            else
            {
                return ((versionNum >= reqVer && versionMinor >= reqMinorVer) ? true : false);
            }
        }
    }

    return (reqVer ? false : 0.0);
}

function displaySWF
(
    aHasRightVersion,
    aSWFVersion,
    aSWFWidth,
    aSWFHeight,
    aSWFMovie,
    aSWFMode,
    aSWFAltText
)
{
    if(aHasRightVersion)
    {
        document.write
        (
          '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=' + aSWFVersion + '" width="' + aSWFWidth + '" height="' + aSWFHeight + '">'
        + '<param name="allowScriptAccess" value="sameDomain" />'
        + '<param name="movie"             value="' + aSWFMovie + '">'
        + '<param name="quality"           value="high">'
        + '<param name="wmode"             value="' + aSWFMode + '">'
        + '<embed src="' + aSWFMovie + '" quality="high" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" wmode="' + aSWFMode + '" width="' + aSWFWidth + '" height="' + aSWFHeight + '"></embed>'
        + '</object>'
        );
    }
    else
    {
        if(aSWFAltText == "")
        {
            document.write
            (
                '<center>'
              + '<a href="http://www.macromedia.com/go/getflashplayer" target="_new">'
              + '<img title="Get Adobe Reader" src="/common/assets/get_flash_player.jpg" alt="Get Flash Player" style="border: none; margin-top: 16px; margin-bottom: 4px;">'
              + '</a>'
              + '<br>'
              + '<a href="http://www.macromedia.com/go/getflashplayer" target="_new">'
              + '<font size=-2>This content requires a Macromedia Flash upgrade. Click here to get the most recent version.</font>'
              + '</a>'
              + '</center>'
            );
        }
        else if(aSWFAltText == "justButton")
        {
            document.write
            (
                '<center>'
              + '<a href="http://www.macromedia.com/go/getflashplayer" target="_new">'
              + '<img title="Get Adobe Reader" src="/common/assets/get_flash_player.jpg" alt="Get Flash Player" style="border: none; margin-top: 16px; margin-bottom: 4px;">'
              + '</a>'
              + '</center>'
            );
        }
        else
        {
            document.write(aSWFAltText);
        }
    }
}
