function detectFlash() {  
  // If navigator.plugins exists...
  if (navigator.plugins) {
    // ...then check for flash 2 or flash 3+.
    if (navigator.plugins["Shockwave Flash 2.0"]
        || navigator.plugins["Shockwave Flash"]) {

      // Some version of Flash was found. Time to figure out which.
      
      // Set convenient references to flash 2 and the plugin description.
      var isVersion2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
      var flashDescription = navigator.plugins["Shockwave Flash" + isVersion2].description;

      // DEBUGGING: uncomment next line to see the actual description.
      // alert("Flash plugin description: " + flashDescription);
      
      // A flash plugin-description looks like this: Shockwave Flash 4.0 r5
      // We can get the major version by grabbing the character before the period
      // note that we don't bother with minor version detection. 
      // Do that in your movie with $version or getVersion().
      var flashVersion = parseInt(flashDescription.charAt(flashDescription.indexOf(".") - 1));
     
      // We found the version, now set appropriate version flags. Make sure
      // to use >= on the highest version so we don't prevent future version
      // users from entering the site.
      flash2Installed = flashVersion == 2;    
      flash3Installed = flashVersion == 3;
      flash4Installed = flashVersion == 4;
      flash5Installed = flashVersion == 5;
      flash6Installed = flashVersion >= 6;
    }
  }
  
  // Loop through all versions we're checking, and
  // set actualVersion to highest detected version.
  for (var i = 2; i <= maxVersion; i++) {  
    if (eval("flash" + i + "Installed") == true) actualVersion = i;
  }
  
  // If we're on webtv, the version supported is 2 (pre-summer2000, 
  // or 3, post-summer2000). Note that we don't bother sniffing varieties
  // of webtv. You could if you were sadistic...
  if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 3;  
  
  // DEBUGGING: uncomment next line to display flash version
  // alert("version detected: " + actualVersion);


  // We're finished getting the version on all browsers that support detection.
  // Time to take the appropriate action.

  // If the user has a new enough version...
  if (actualVersion >= requiredVersion) {
    // ...then we'll redirect them to the flash page, unless we've
    // been told not to redirect.
    if (useRedirect) {
      // Need javascript1.1 to do location.replace
      if(jsVersion > 1.0) {
        // It's safe to use replace(). Good...we won't break the back button.
        window.location.replace(flashPage);  
      } else {
        // JavaScript version is too old, so use .location to load
        // the flash page.
        window.location = flashPage;
      }
    }
    
    // If we got here, we didn't redirect. So we make a note that we should
    // write out the object/embed tags later.
    hasRightVersion = true;                
  } else {  
    // The user doesn't have a new enough version.
    // If the redirection option is on, load the appropriate alternate page.
    if (useRedirect) {
      // Do the same .replace() call only if js1.1+ is available.
      if(jsVersion > 1.0) {
        window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
      } else {
        window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
      }
    }
  }
}


//detectFlash();  // call our detector now that it's safely loaded.  


// Flash Player Version Detection - Rev 1.6
// Detect Client Browser type
// Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved.
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");			
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
			//alert("flashVer="+flashVer);
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}


if ( DetectFlashVer(6, 0, 0) ) {
    // ...then we'll redirect them to the flash page, unless we've
    // been told not to redirect.
    if (useRedirect) {
      // Need javascript1.1 to do location.replace
      if(jsVersion > 1.0) {
        // It's safe to use replace(). Good...we won't break the back button.
        window.location.replace(flashPage);  
      } else {
        // JavaScript version is too old, so use .location to load
        // the flash page.
        window.location = flashPage;
      }
    }
    
    // If we got here, we didn't redirect. So we make a note that we should
    // write out the object/embed tags later.
    hasRightVersion = true;                
  } else {  
    // The user doesn't have a new enough version.
    // If the redirection option is on, load the appropriate alternate page.
    if (useRedirect) {
      // Do the same .replace() call only if js1.1+ is available.
      if(jsVersion > 1.0) {
        window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
      } else {
        window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
      }
    }
  }