javascriptVersion1_1 = true;

// initialize global variables
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 Player');
    // 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
            
            //alert(navigator.plugins[pluginsArrayCounter].name + " | " + navigator.plugins[pluginsArrayCounter].description);
            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>');
}


// -->