var requiredVersion = 6; 
var useRedirect = false; 
var flashPage = "intro.html";      
var noFlashPage = "noflash.html";  
var upgradePage = "yesflash.html"; 
var flash2Installed = false;
var flash3Installed = false;
var flash4Installed = false;
var flash5Installed = false;
var flash6Installed = false;
var maxVersion = 6;
var actualVersion = 0;
var hasRightVersion = false;
var jsVersion = 1.0;



var isIE = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false; 
var isWin = (navigator.appVersion.indexOf("Windows") != -1) ? true : false;
jsVersion = 1.1;


if(isIE && isWin){
  document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
  document.write('on error resume next \n');
  document.write('flash2Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.2"))) \n');
  document.write('flash3Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.3"))) \n');
  document.write('flash4Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.4"))) \n');
  document.write('flash5Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.5"))) \n');  
  document.write('flash6Installed = (IsObject(CreateObject("ShockwaveFlash.ShockwaveFlash.6"))) \n');  
  document.write('</SCR' + 'IPT\> \n'); 
} 


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;
      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;  

  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();    

var flash = hasRightVersion;