function detectFlash() {  

  if (navigator.plugins) {

    if (navigator.plugins["Shockwave Flash 2.0"]
        || navigator.plugins["Shockwave Flash"]) {


      

      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));
     

      flash2Installed = flashVersion == 2;    
      flash3Installed = flashVersion == 3;
      flash4Installed = flashVersion == 4;
      flash5Installed = flashVersion == 5;
      flash6Installed = flashVersion >= 6;
    }
  }
  


  for (var i = 2; i <= maxVersion; i++) {  
    if (eval("flash" + i + "Installed") == true) actualVersion = i;
  }

  
  if(navigator.userAgent.indexOf("WebTV") != -1) actualVersion = 3;  
  
  // DEBUGGING: uncomment next line to display flash version
  // alert("version detected: " + actualVersion);



  if (actualVersion >= requiredVersion) {


    if (useRedirect) {

      if(jsVersion > 1.0) {

        window.location.replace(flashPage);  
      } else {


        window.location = flashPage;
      }
    }
    


    hasRightVersion = true;                
  } else {  


    if (useRedirect) {

      if(jsVersion > 1.0) {
        window.location.replace((actualVersion >= 2) ? upgradePage : noFlashPage);
      } else {
        window.location = (actualVersion >= 2) ? upgradePage : noFlashPage;
      }
    }
  }
}


detectFlash();