// initialize a variable to test for JavaScript 1.1.
// which is necessary for the window.location.replace method

var javascriptVersion1_1 = false;




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');
 // 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>');
}