// Globals
// Major version of Flash required
var requiredMajorVersion = 9;
// Minor version of Flash required
var requiredMinorVersion = 0;
// Minor version of Flash required
var requiredRevision = 115;
// the version of javascript supported
var jsVersion = 1.0;

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;
jsVersion = 1.1;
// 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;
}


// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
    reqVer = parseFloat(reqMajorVer + "." + reqRevision);
    // Opera fixup. Opera 9 is lurky.... /carl
    if (isIE && !isOpera && navigator.plugins != null && navigator.plugins.length > 0) {
        isOpera = true;
    }
    // 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];

                var valid = false;
            if (versionMajor > reqMajorVer) {
                valid = true;
            } else if (versionMajor == reqMajorVer) {
                if (! versionMinor) {
                    valid = true;
                } else {
                    if (versionMinor > reqMinorVer) {
                        valid = true;
                    } else if (versionMinor == reqMinorVer) {
                        if (! reqRevision) {
                            valid = true;
                        } else {
                            if (versionRevision >= reqRevision) {
                                valid = true;
                            }
                        }
                    }
                }
            }
            return valid;
        }
    }
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function GetFlashVersion(reqMajorVer, reqMinorVer, reqRevision)
{
    reqVer = parseFloat(reqMajorVer + "." + reqRevision);
    // Opera fixup. Opera 9 is lurky.... /carl
    if (isIE && !isOpera && navigator.plugins != null && navigator.plugins.length > 0) {
        isOpera = true;
    }
    // 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 "not detected";
        } 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);

            return versionMajor;
        }
    }
}

//Debug method, print flash version
function _printFlashVer()
{
    // Opera fixup. Opera 9 is lurky.... /carl
    if (isIE && !isOpera && navigator.plugins != null && navigator.plugins.length > 0) {
        isOpera = true;
    }
    // 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);
        }
        document.write("<div>(" + i + "): "+ versionStr + "</div>");
    }
}