// initialize global variables
	var detectableWithVB = false;
	var pluginFound = false;
	var versionOK   = false; // will be set to true if it is = 10...
	var macPlatform = false;
	

	function goURL(myURL) {
	    // if the browser can do it, use replace to preserve back button
	    if(javascriptVersion1_1) {
			window.location.replace(myURL);
	    } else {
			window.location = myURL;
 	   }
 	   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');
			if(pluginFound) versionOK = detectActiveXControl('SWCtl.SWCtl.10'); // the .10 checks for version 10
 	   }
 	   // 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;
	    // arguments is a list of variables passed to the function, even exceeding those accepted by the function!
	    //alert(detectPlugin.arguments);
 	   // consider pluginFound to be false until proven true, global set above
		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) {
					// alert("found it");
					pluginFound = true;
					a = navigator.plugins[pluginsArrayCounter].description.indexOf(10) >= 0;
					b = navigator.plugins[pluginsArrayCounter].description.indexOf('Shockwave') >= 0;
	 				c = navigator.plugins[pluginsArrayCounter].description.indexOf('Director') >= 0;
	 				d = navigator.plugins[pluginsArrayCounter].name.indexOf('Shockwave') >= 0;
	 				e = navigator.plugins[pluginsArrayCounter].name.indexOf('Director') >= 0;
	 			  	// alert(a + "; " + b + "; " + c + "; " + d + "; " + e);
	 			  	if ((b || c) && (d || e) && (c || e)) versionOK = a;
	 			  	 			  	
					// alert("Plug-in data: " + navigator.plugins[pluginsArrayCounter].name + "; " + navigator.plugins[pluginsArrayCounter].description);
					// alert("Plug-in = 10: " + versionOK);
					// if we've found the plugin, we can stop looking through at the rest of the plugins
					break;
			    }
			}
   		}
 	   return pluginFound;
	} // detectPlugin
	
	function detectMacPlatform() {
		if((navigator.userAgent.indexOf('Mac') >= 0) || (navigator.userAgent.indexOf('Apple') >= 0)) macPlatform = true;
		return macPlatform
	}

	function getShockwaveVersionStatus() {
		// does work on Win MSIE, see above VBScript...
		return versionOK
	}

	function AlertOfPlugIns(plugDetected, plugInstalled, flashInstalled, qtInstalled, realInstalled, winmediaInstalled) {
		document.write('<br /><b>Can Detect Plugins:</b> ' + plugDetected + '<br /><br />');

		if(plugDetected) {
		    document.writeln('<b>Supports Shockwave for Director:</b> ' + plugInstalled + '<br />' + 
			   '<b>Supports Shockwave Flash:</b> ' + flashInstalled + '<br />' + 
			   '<b>Supports QuickTime:</b> ' + qtInstalled + '<br />' +
			   '<b>Supports RealPlayer:</b> ' + realInstalled + '<br />' +
			   '<b>Supports Windows Media Player:</b> ' + winmediaInstalled + '<br />');
		}
	}


	// 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>');
	}