var detectableWithVB = false;
var pluginFound = false;


function goURL(daURL) {
    // if the browser can do it, use replace to preserve back button
    if(javascriptVersion1_1) {
	window.location.replace(daURL);
    } else {
	window.location = daURL;
    }
    return;
}

function redirectCheck(pluginFound, redirectURL, redirectIfFound) {
    // check for redirection
    if( redirectURL && ((pluginFound && redirectIfFound) || 
	(!pluginFound && !redirectIfFound)) ) {
	// go away
	goURL(redirectURL);
	return pluginFound;
    } else {
	// stay here and return result of plugin detection
	return pluginFound;
    }	
}

function canDetectPlugins() {
    if( detectableWithVB || (navigator.plugins && navigator.plugins.length > 0) ) {
	return true;
    } else {
	return false;
    }
}

function detectFlash(redirectURL, redirectIfFound) {
    pluginFound = detectPlugin('Shockwave','Flash'); 
    // if not found, try to detect with VisualBasic
    if(!pluginFound && detectableWithVB) {
	pluginFound = detectActiveXControl('ShockwaveFlash.ShockwaveFlash.1');
    }
    // check for redirection
    return redirectCheck(pluginFound, redirectURL, redirectIfFound);
}

function detectDirector(redirectURL, redirectIfFound) { 
    pluginFound = detectPlugin('Shockwave','Director'); 
    // if not found, try to detect with VisualBasic
    if(!pluginFound && detectableWithVB) {
	pluginFound = detectActiveXControl('SWCtl.SWCtl.1');
    }
    // check for redirection
    return redirectCheck(pluginFound, redirectURL, redirectIfFound);
}

function detectQuickTime(redirectURL, redirectIfFound) {
    pluginFound = detectPlugin('QuickTime');
    // if not found, try to detect with VisualBasic
    if(!pluginFound && detectableWithVB) {
	pluginFound = detectQuickTimeActiveXControl();
    }
    return redirectCheck(pluginFound, redirectURL, redirectIfFound);
}

function detectReal(redirectURL, redirectIfFound) {
    pluginFound = detectPlugin('RealPlayer');
    // if not found, try to detect with VisualBasic
    if(!pluginFound && detectableWithVB) {
	pluginFound = (detectActiveXControl('rmocx.RealPlayer G2 Control') ||
		       detectActiveXControl('RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)') ||
		       detectActiveXControl('RealVideo.RealVideo(tm) ActiveX Control (32-bit)'));
    }	
    return redirectCheck(pluginFound, redirectURL, redirectIfFound);
}

function detectWindowsMedia(redirectURL, redirectIfFound) {
    pluginFound = detectPlugin('Windows Media');
    // if not found, try to detect with VisualBasic
    if(!pluginFound && detectableWithVB) {
	pluginFound = detectActiveXControl('MediaPlayer.MediaPlayer.1');
    }
    return redirectCheck(pluginFound, redirectURL, redirectIfFound);
}

function detectPlugin() {
    // allow for multiple checks in a single pass
    var daPlugins = detectPlugin.arguments;
    // consider pluginFound to be false until proven true
    var pluginFound = false;
    // if plugins array is there and not fake
    if (navigator.plugins && navigator.plugins.length > 0) {
	var pluginsArrayLength = navigator.plugins.length;
	// for each plugin...
	for (pluginsArrayCounter=0; pluginsArrayCounter < pluginsArrayLength; pluginsArrayCounter++ ) {
	    // loop through all desired names and check each against the current plugin name
	    var numFound = 0;
	    for(namesCounter=0; namesCounter < daPlugins.length; namesCounter++) {
		// if desired plugin name is found in either plugin name or description
		if( (navigator.plugins[pluginsArrayCounter].name.indexOf(daPlugins[namesCounter]) >= 0) || 
		    (navigator.plugins[pluginsArrayCounter].description.indexOf(daPlugins[namesCounter]) >= 0) ) {
		    // this name was found
		    numFound++;
		}   
	    }
	    // now that we have checked all the required names against this one plugin,
	    // if the number we found matches the total number provided then we were successful
	    if(numFound == daPlugins.length) {
		pluginFound = true;
		// if we've found the plugin, we can stop looking through at the rest of the plugins
		break;
	    }
	}
    }
    return pluginFound;
} // detectPlugin


// Here we write out the VBScript block for MSIE Windows
if ((navigator.userAgent.indexOf('MSIE') != -1) && (navigator.userAgent.indexOf('Win') != -1)) {
    document.writeln('<script language="VBscript">');

    document.writeln('\'do a one-time test for a version of VBScript that can handle this code');
    document.writeln('detectableWithVB = False');
    document.writeln('If ScriptEngineMajorVersion >= 2 then');
    document.writeln('  detectableWithVB = True');
    document.writeln('End If');

    document.writeln('\'this next function will detect most plugins');
    document.writeln('Function detectActiveXControl(activeXControlName)');
    document.writeln('  on error resume next');
    document.writeln('  detectActiveXControl = False');
    document.writeln('  If detectableWithVB Then');
    document.writeln('     detectActiveXControl = IsObject(CreateObject(activeXControlName))');
    document.writeln('  End If');
    document.writeln('End Function');

    document.writeln('\'and the following function handles QuickTime');
    document.writeln('Function detectQuickTimeActiveXControl()');
    document.writeln('  on error resume next');
    document.writeln('  detectQuickTimeActiveXControl = False');
    document.writeln('  If detectableWithVB Then');
    document.writeln('    detectQuickTimeActiveXControl = False');
    document.writeln('    hasQuickTimeChecker = false');
    document.writeln('    Set hasQuickTimeChecker = CreateObject("QuickTimeCheckObject.QuickTimeCheck.1")');
    document.writeln('    If IsObject(hasQuickTimeChecker) Then');
    document.writeln('      If hasQuickTimeChecker.IsQuickTimeAvailable(0) Then ');
    document.writeln('        detectQuickTimeActiveXControl = True');
    document.writeln('      End If');
    document.writeln('    End If');
    document.writeln('  End If');
    document.writeln('End Function');

    document.writeln('</scr' + 'ipt>');
}

function checkPlugin(embedA)
{
        //alert (embedA);
        if (BrowserDetect.browser == "Firefox")
	{
            switch(embedA)
            {
            case "PLA":
                    if (detectReal())
                    {
                            return "real";
                    } else if (PluginDetect.getVersion('windowsmediaplayer'))
                    
                    {
                            return "wmp";
                    } else if (PluginDetect.getVersion('flash') != null)
                    {
                            return "flash";
                    } else if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";                    
                    } else
                    {
                            return "none";
                    }
                    break;    
            case "MP3":
                    if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";
                    } else if (PluginDetect.getVersion('flash') != null)
                    {
                            return "flash";
                    } else if (detectReal())
                    {
                            return "real";
                    } else if (PluginDetect.getVersion('windowsmediaplayer'))
                    {
                            return "wmp";
                    } else if (PluginDetect.getVersion('flash') != null)
                    {
                            return "flash";
                    } else
                    {
                            return "none";
                    }
                    break;
            case "WMA":
                    if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";
                    } else if (detectWindowsMedia())
                    {
                            return "wmp";
                    } else
                    {
                            return "none";
                    }
                    break;
            case "AAC":
                    if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";
                    } else if (detectReal())
                    {
                            return "real";
                    } else
                    {
                            return "none";
                    }
                    break;
            case "REAL":
                    if (detectReal())
                    {
                            return "real";
                    } else
                    {
                            return "none";
                    }
                    break;
            }
        } else
        {
            switch(embedA)
            {
            case "PLA":
                    if (detectReal())
                    {
                            return "real";
                    } else if (PluginDetect.getVersion('windowsmediaplayer'))
                    
                    {
                            return "wmp";
                    } else if (PluginDetect.getVersion('flash') != null)
                    {
                            return "flash";
                    } else if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";                    
                    } else
                    {
                            return "none";
                    }
                    break;
            case "MP3":
                    if (PluginDetect.getVersion('windowsmediaplayer'))
                    {
                            return "wmp";
                    } else if (PluginDetect.getVersion('flash') != null)
                    {
                            return "flash";
                    } else if (detectReal())
                    {
                            return "real";
                    } else if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";                    
                    } else
                    {
                            return "none";
                    }
                    break;
            case "WMA":
                    if (PluginDetect.getVersion('windowsmediaplayer'))
                    {
                            return "wmp";
                    } else if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";
                    } else
                    {
                            return "none";
                    }
                    break;
            case "AAC":
                    if (PluginDetect.getVersion('vlc') != null)
                    {
                            return "vlc";
                    } else if (detectReal())
                    {
                            return "real";
                    } else
                    {
                            return "none";
                    }
                    break;
            case "REAL":
                    if (detectReal())
                    {
                            return "real";
                    } else
                    {
                            return "none";
                    }
                    break;
            }
        }
	
        
}

function getRecommendedPluginURL(embedA)
{
	//var ffReal = "https://addons.mozilla.org/en-US/firefox/browse/type:7";
        var ffReal = "http://forms.real.com/netzip/arcade.html?h=software-dl.real.com&r=free&f=windows/installer/player/R51R01F/RealPlayerSPGold.exe";
	var ffWMP = "http://port25.technet.com/pages/windows-media-player-firefox-plugin-download.aspx";
        var ffVLC = "http://www.videolan.org/vlc/";
	//var ieReal = "http://www.real.com";
        var ieReal = "http://forms.real.com/netzip/arcade.html?h=software-dl.real.com&r=free&f=windows/installer/player/R51R01F/RealPlayerSPGold.exe";
	var ieWMP = "http://www.microsoft.com/windows/windowsmedia/download/AllDownloads.aspx?displang=en&qstechnology";
	var ieVLC = "http://www.videolan.org/vlc/";
        
	if (BrowserDetect.browser == "Firefox")
	{
		switch(embedA)
		{
		case "MP3":
			return ffWMP;
			break;
		case "WMA":
			return ffWMP;
			break;
		case "AAC":
			return ffVLC;
			break;
		case "REAL":
			return ffReal;
			break;
		}		
	} else
	{
		switch(embedA)
		{
		case "MP3":
			return ieWMP;
			break;
		case "WMA":
			return ieWMP;
			break;
		case "AAC":
			return ieVLC;
			break;
		case "REAL":
			return ieReal;
			break;
		}
	}
	
}