var MM_latestPluginRevision = new Object();
MM_latestPluginRevision["7.0"] = new Object();
MM_latestPluginRevision["6.0"] = new Object();
MM_latestPluginRevision["5.0"] = new Object();
MM_latestPluginRevision["4.0"] = new Object();
MM_latestPluginRevision["3.0"] = new Object();
MM_latestPluginRevision["2.0"] = new Object();

MM_latestPluginRevision["7.0"]["Windows"] = 14;
MM_latestPluginRevision["7.0"]["Macintosh"] = 14;

MM_latestPluginRevision["6.0"]["Windows"] = 23;
MM_latestPluginRevision["6.0"]["Macintosh"] = 23;

MM_latestPluginRevision["5.0"]["Windows"] = 42;
MM_latestPluginRevision["5.0"]["Macintosh"] = 41;

MM_latestPluginRevision["4.0"]["Windows"] = 28;
MM_latestPluginRevision["4.0"]["Macintosh"] = 27;
MM_latestPluginRevision["4.0"]["Unix"] = 12;

MM_latestPluginRevision["3.0"]["Windows"] = 10;
MM_latestPluginRevision["3.0"]["Macintosh"] = 10;

MM_latestPluginRevision["2.0"]["Windows"] = 11;
MM_latestPluginRevision["2.0"]["Macintosh"] = 11;

var MM_FlashControlInstalled;	// is the Flash ActiveX control installed?
var MM_FlashControlVersion;	// ActiveX control version if installed

function MM_FlashInfo()
{
    if (navigator.plugins && navigator.plugins.length > 0)
    {
	this.implementation = "Plug-in";
	this.autoInstallable = false;	// until Netscape SmartUpdate supported

	// Check whether the plug-in is installed:

	if (navigator.plugins["Shockwave Flash"])
	{
	    this.installed = true;

	    // Get the plug-in version and revision:

	    var words =
		navigator.plugins["Shockwave Flash"].description.split(" ");

	    for (var i = 0; i < words.length; ++i)
	    {
		if (isNaN(parseInt(words[i])))
		continue;

		this.version = words[i];

		this.revision = parseInt(words[i + 1].substring(1));
	    }
	}
	else
	{
	    this.installed = false;
	}
    }
    else if (MM_FlashControlInstalled != null)
    {
	this.implementation = "ActiveX control";
	this.installed = MM_FlashControlInstalled;
	this.version = MM_FlashControlVersion;
	this.autoInstallable = true;
    }

    this.canPlay = MM_FlashCanPlay;
}

function MM_FlashLatestPluginRevision(playerVersion)
{
    var latestRevision;
    var platform;

    if (navigator.appVersion.indexOf("Win") != -1)
	platform = "Windows";
    else if (navigator.appVersion.indexOf("Macintosh") != -1)
	platform = "Macintosh";
    else if (navigator.appVersion.indexOf("X11") != -1)
	platform = "Unix";

    latestRevision = MM_latestPluginRevision[playerVersion][platform];

    return latestRevision;
}

function MM_FlashCanPlay(contentVersion, requireLatestRevision)
{
    var canPlay;

    if (this.version)
    {
	canPlay = (parseInt(contentVersion) <= this.version);

	if (requireLatestRevision)
	{
	    if (this.revision &&
		this.revision < MM_FlashLatestPluginRevision(this.version))
	    {
		canPlay = false;
	    }
	}
    }

    return canPlay;
}

function MM_FlashTest(contentVersion, requireLatestRevision)
{
    var player = new MM_FlashInfo();

    if (player.installed == null)
    {
	return 2;	// unknown whether player installed
    }
    else if (player.installed)
    {
	if (player.canPlay(contentVersion, requireLatestRevision))
	{
	    return 0;	// correct version installed
	}
    }
    return 1;	// old version installed
}