var requiredVersion = 4;  
var useRedirect = false;    
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;            
//write.
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'); 
}
//main.
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();