// 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 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
					    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>');
}
